How Much Does a Sunroom Extension Cost?

A sunroom extension costs between £14,535 and £72,000. The cost of a sunroom is reliant on the exact specifications and requirements you have including the size, shape, style, material and structure.

Once you’ve decided on these selections, you will then have the option of personalising it further with colour, finish, hardware accessories and more.

The price of a sunroom extension will depend on these choices as well as what is most suited to your home and its surroundings.

There are numerous styles of sunroom extensions to choose from, each with customisation options to create a bespoke solution that is unique to your home.

The beauty of a sunroom extension is that you can tailor it for a specific purpose, so that you will be satisfied with the end result for years to come.

You won’t have to think about moving home or upgrading to something larger, you can tweak and adapt your property to make your dream home a reality.

You can create a sunroom extension that meets your needs and is within your preferred budget.

Adding a sunroom is an excellent solution for adding functionality, value and space to your property which is why they are listed as one of the most affordable home improvement projects available.

tiled roof conservatory

High Quality Sunroom Extensions

They are a straight-forward and simple addition to a home that are hassle-free in terms of installation. With no need for planning permission or other requirements, it’s obvious why they’re a highly sought after addition.

By adding a sunroom extension to your property, you will enjoy increased thermal insulation resulting in lower energy bills and a reduced carbon footprint.

This makes your sunroom selection a cost-effective investment that comes with features and benefits that you can enjoy for years to come.

With the increased natural light that a sunroom provides, you will also find less of a reliance on artificial lighting too, again lowering your energy costs and saving you money.

Whether you’re looking for a sunroom extension that will give you extra space, extend an existing room to give it a new lease of life or you’re looking to create a separate room for a specific purpose, Conservatory Online Prices can assist.

We will put you in touch with three local companies that can fulfil your needs so that you can decide on the best price for you. Our sunroom extension calculator will provide you with an instant quote, simply by inputting your requirements, with absolutely no-obligation to buy.

You can get your sunroom extension project started sooner rather than later with a professional company that will provide an efficient and high quality service as well as a superb and superior product.

Here you can find out the average cost of a sunroom extension, what the benefits are of adding one to your home and useful price tables and guidelines from Conservatory Online Prices.

tiled conservatory roof

p shaped conservatory

Versatile Sunroom Extensions

Depending on what your sunroom extension will be used for will also impact on the design choices you make.

For example, if the sunroom is to be added as a room of its own to be used for a relaxation area, study, playroom or something similar you will design it as its own entity.

If you’re adding your sunroom extension to make an existing room larger, to make it more open plan and inclusive with the rest of the property, you’ll want to select a solution that works in cohesion with the rest of the interior. Take into consideration how you’d like your sunroom to work to determine the best style for your home.

If you are utilising your sunroom extension to make your garden part of your property, you may well look at solutions that offer you a seamless connection.

There is the option of bi-fold doors that allow you to open up entire walls of a house to the outside, especially effective if it opens up onto a patio, decking or garden space.

If you would prefer a single access point you could opt for sliding patio doors to offer easy accessibility and doors that work in the same way that windows do with increased natural light and thermal benefits.

Whatever your choice, your chosen installer can help create the ideal fit.

You can tailor your sunroom extension to look as you’d like it to with an array of colours and finishes to choose from making it a unique addition to your home.

Choose neutral or subtle colours to blend seamlessly with the surroundings or opt for something more bright and vibrant to make it stand out, it’s completely up to you.

Your sunroom will make for a warm and airy place to spend time that all of the family can enjoy all year round.

birmingham conservatories

What are the Features and Benefits of a Sunroom Extension?

At Conservatory Online Prices, we can help you decide on whether a sunroom extension is the right home improvement for you. Simply take a look at the wealth of features and benefits you gain when adding a sunroom to your property!

When you install a new sunroom extension you will find that your home remains warmer for longer. During the colder months when you have the heating on, your sunroom will trap the warm air inside instead of letting it escape into the atmosphere.

This means that your energy bills will decrease as well as your carbon footprint making it a cost-effective home improvement solution. With high quality glazing, you can enjoy your sunroom no matter the weather, providing excellent views of the outdoors.

In the warmer months you’ll be able to ventilate your home by opening up the sunroom windows and doors to allow a natural air flow through your property keeping it cool and comfortable. You won’t need to invest in air conditioning solutions, again saving you money and keeping your energy costs low.

By adding a sunroom extension to your home, you will be increasing the value by up to 7% which is especially useful if you’re looking to sell your property in the near future.

A well built sunroom extension is particularly attractive to prospective buyers if it is a high quality installation with a durable and long-lasting life span.

Your sunroom extension won’t suffer with draughts, leaks or water ingress and you won’t need to battle a build-up of condensation that can often lead to mould of mildew issues.

Adding a weatherproof solution protects your home against adverse weather conditions keeping it warm and dry all year round without fail.

Adding a well-built sunroom extension will also increase the security of your home with robust and protective double or triple glazing, deterring potential intruders and making it difficult for attempted break ins.

All sunroom extensions come with high security locking systems inbuilt giving you the peace of mind you need that your family and home are safe.

A sunroom extension offers a low maintenance home improvement solution that won’t cost time or money to upkeep.

With long-lasting colours and offering a sturdy and robust structure, you can enjoy your sunroom for years to come. Aluminium or uPVC sunroom extensions won’t suffer with the same issues as traditional timber, so you won’t need to worry about warping, discolouration or rotting over time.

If you invest in a professional and efficient installation by a company that has a wealth of experience and knowledge when it comes to sunroom extensions, you’ll be able to enjoy all of the features and benefits listed above. At Conservatory Online Prices we can put you in touch with three local companies that can fulfil your needs, with a proficiency in sunroom extensions.

edwardian conservatories

conservatory roof

What is the Cost of an Aluminium Sunroom Extension Vs. uPVC Sunroom Extension?

When it comes to selecting the material for your sunroom extension there are a few options available. Aluminium and uPVC are the most common due to the modern functionality they bring and the increased thermal efficiency that they provide. There are similarities and differences between the two, both with unique advantages that you may want to consider.

uPVC is an affordable solution for your sunroom extension offering a highly weatherproof option that will keep your home warm and dry all year round. uPVC comes in a range of different colour options and finishes giving you the ability to seamlessly blend your sunroom extension with the rest of your home or select a colour to make it stand out.

Aluminium is a premium quality material that is incredibly robust and strong. Although it excels in strength it is also very lightweight making it a flexible and versatile material that is popular due to the ability to use less frame and more glazing areas. This results in slim sightlines and unobstructed views.

Between the two, aluminium is slightly more expensive and choosing the material will depend on your budget and preferred sunroom extension design. Both materials are highly sought after and provide high performance and superb results for any property.

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Sunroom Extension Costs

The average cost of a medium sunroom extension is between £24,225 and £37,485. First you must choose the style, design, material and size that best suits your needs. Once you’ve done that you can then select the colour, finish, configuration options and hardware to personalise the look and feel of your new sunroom and to tailor it to be in keeping with your current property aesthetic.

On top of this, you will need to think about the types of doors you’d like, glazing, roof type and more to create the exact vision you had in mind.

All of these will determine the overall cost of your sunroom extension and your choices will be with your budget in mind.

If you’re already set on how you’d like your sunroom extension to look you can use our online calculator to get an average cost for your sunroom extension.

If you’re unsure of exactly what it is that you’d like, you can take a look at some examples and inspiration to see what is available.

The company you choose to install and fit your sunroom will be able to talk you through the range of products available and advise on the best options for your home.

Extension Width (mm)	Extension Projection (mm)	Guide Price
5000	3000	£24225 – £26775
5100	3000	£24709 – £27310
5200	3000	£25194 – £27846
5300	3000	£25678 – £28381
5400	3000	£26163 – £28917
5500	3000	£26647 – £29452
5600	3000	£27132 – £29988
5700	3000	£27616 – £30523
5800	3000	£28101 – £31059
5900	3000	£28585 – £31594
6000	3000	£29070 – £32130
6100	3000	£29554 – £32665
6200	3000	£30039 – £33201
6300	3000	£30523 – £33736
6400	3000	£31008 – £34272
6500	3000	£31492 – £34807
6600	3000	£31977 – £35343
6700	3000	£32461 – £35878
6800	3000	£32946 – £36414
6900	3000	£33430 – £36949
7000	3000	£33915 – £37485

A small sunroom extension costs £14,535 and £26,775. You won’t need to worry about planning permission or other regulations when it comes to adding a sunroom extension and the company that you select will be able to take care of your home improvement project from beginning to end. They will be responsible for making sure that your sunroom extension stays within budget and is delivered on time.

The cost of the installation of your sunroom extension will depend on the size, shape, style and design.

Depending on your selection of glazing, windows, doors, roof, colours, finish, hardware accessories and more you will be able to create a sunroom extension that is personal to your taste at your preferred price. Use our online calculator to work out how much your ideal sunroom extension will cost on average.

Before going ahead with a sunroom extension, the company, you opt to undertake the project will need to take a look at the space available and discuss your exact vision. They will then be able to advise or recommend the best solution for your needs to make sure you are satisfied with your choices. They can discuss every detail with you and will be able to keep you in the loop for the entire project to make sure any questions or queries you have are answered.

If you are looking for a small sunroom extension to extend an existing room and to add more space, you may look at the option of maximising the glazing for increased natural light which gives the illusion of more space and creates a light and airy atmosphere. If you’re looking to add a large sunroom extension to provide an open plan dining area, or place to relax, you can look at a large range of styles with decorative finish and vaulted ceilings. The possibilities are endless.

Extension Width (mm)	Extension Projection (mm)	Guide Price
3000	3000	£14535 – £16065
3100	3000	£15019 – £16600
3200	3000	£15504 – £17136
3300	3000	£15988 – £17671
3400	3000	£16473 – £18207
3500	3000	£16957 – £18742
3600	3000	£17442 – £19278
3700	3000	£17926 – £19813
3800	3000	£18411 – £20349
3900	3000	£18895 – £20884
4000	3000	£19380 – £21420
4100	3000	£19864 – £21955
4200	3000	£20349 – £22491
4300	3000	£20833 – £23026
4400	3000	£21318 – £23562
4500	3000	£21802 – £24097
4600	3000	£22287 – £24633
4700	3000	£22771 – £25168
4800	3000	£23256 – £25704
4900	3000	£23740 – £26239
5000	3000	£24225 – £26775

A large sunroom extension can cost between £33,915 to £72,000 on average. They are excellent for extending your home, increasing the natural light that spills into your property, adding thermal efficiency and security as well as visual appeal. Many homeowners say that their sunroom extension is where they spend most of their time in the home with the whole family.

With a multitude of options including roof lanterns, bi-fold doors, sliding doors, floor to ceiling glazing, tilt and turn windows, solid roofs and more, you can create a truly bespoke solution that is unique to your home.

With Conservatory Online Prices you can receive a quote from three reputable companies that are local to you, who have a wealth of knowledge in the home improvement industry and can provide you with the glass extension of your dreams.

Extension Width (mm)	Extension Projection (mm)	Guide Price
7000	3000	£33915 – £37485
7100	3000	£34399 – £38020
7200	3000	£34884 – £38556
7300	3000	£35368 – £39091
7400	3000	£35853 – £39627
7500	3000	£36337 – £40162
7600	3000	£36822 – £40698
7700	3000	£37306 – £41233
7800	3000	£37791 – £41769
7900	3000	£38275 – £42304
8000	3000	£38760 – £42840

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Frequently Asked Conservatory Questions

In most instances the council tax will not increase on a property unless the additions another living quarter or self-contained annex. This means the addition of a conservatory should not increase the council tax payable on a property. To be absolutely certain you can always check the government's website which gives advice on council tax.

The main difference between a conservatory and an orangery is how the roof is constructed. A conservatory roof is over 75% glazed whereas an orangery roof has less than this amount. A conservatory also has over half of its wall space glazed whereas an orangery can include more brickwork than this.

Yes, you can put a conservatory on the front of your house. This is because conservatories come under the category of a permitted development. As such in most instances you do not need planning permission. This applies if the area surrounding the original house is not more than 50% covered by other buildings or additions.

There are many ways of gaining temperature control. Conservatory blinds, ventilating windows, cooling film and air conditioning to name a few. You might also want to consider replacing your conservatory roof with a tiled or solid design.

There are many ways of keeping your conservatory warm in the Winter. If you have a small conservatory then an electric heater will suffice but those with bigger conservatories may want to look into installing underfloor heating.
Glazing is also very important in a conservatory. Most heat can be lost through glass so ensure your conservatory glazing is thermally efficient. You can also tackle draughts or cold spots by installing conservatory blinds.

This will largely depend on your location. You will find that certain areas have different setbacks based on the use of the building. We recommend that you check with your local council or take a look at the Goverment's Planning Portal.

You must notify your neighbour if you want to:

- Build on or at the boundary of your 2 properties - Work on an existing party wall or party structure - Dig below and near to the foundation level of their property

Replacing your conservatory roof can indeed make your conservatory warmer however, this will depend on the type of roof you choose. A solid or tiled conservatory roof will offer greater insulation than a plastic or glazed roof.

A solid roof can be put on a conservatory. There are many solid conservatory roof designs available - just ask your chosen installer for a recommendation. The majority of new-build conservatories with a solid, tiled or glazed roof will not require planning permission. They are covered under what is known as 'permitted development'. However, building regulations will apply if you want to build an extension.

When it comes to your home improvement, it's important to have all the necessary legal documentation. The installation of a conservatory, orangery or porch does not require a FENSA registration form.

The average life span of a uPVC conservatory is largely dependent on the quality of materials and build. Typically, a uPVC frame can last up to 25 years but some can last for decades ensuring they are well maintained.

Planning permissions used to say that a certain percentage of roofing must be translucent in order for a conservatory to be exempt from planning permission. Changes to building regulations however, now means that you may not require planning permission for roof replacement.
Swapping your existing conservarory roof for a tiled or solid roof replacement can be done without needing to file for planning permission. Planning permission may be required however, if the height of your extension is changed following completion.

A conservatory is defined as a 'building that has no less than 75% of its roof area made of translucent material and no less than 50% of its total wall area made of glass.

It is possible to convert a conservatory to an orangery but it isn't a simple process. A surveyor will need to come out and assess your property and conservatory to see if it is at first , feasible.
Both extensions and orangeries often require planning permission and in order to satisfy requirements, a new structure will have to be built.

If a conservatory is within two metres of a boundary, a conservatory should not be higher than three metres. It must also not extend beyond the rear wall of the original house by more than 3m if an attached house or by 4m if a detached house.

For construction work to begin a trench will need to be excavated to a minimum depth of 600mm. A conservatory needs footings just as much as any extension does.
Solid ground will need to found first and needs to be accepted by Building Control as being a minimum of 1 metre in standard conditions.

Foundations will need to be dug and because conservatories are lightweight in structure, their foundation loads are usually quite low. This can often lead to the notion that shallow foundations are satisfactory however, shallow foundations are more susceptible to subsidence.

Conservatories that are built with foundations shallower than the Building Regulations advise, are likely to encounter problems.

Building Regulations state:

A2. The building shall be constructed so that ground movement caused by :-
(a) swelling, shrinkage or freezing of the subsoil; or
(b) land-slip or subsidence (other than subsidence arising from shrinkage), in so far as the risk can be reasonably foreseen, will not impair the stability of any part of the building

Usually, there are no planning requirements when it comes to building a conservatory to a bungalow. However, the conservatory will be subject to certain conditions so be sure to check with your local building authority or with the Government's Planning Portal to ensure your conservatory remains within these guidelines.

On average, an orangery can cost anything from £10,000 to £20,000. It is likely to cost double the amount of a conservatory, however it's important to note that an orangery provides more functionality and home value when compared to standard glazed conservatory.
An orangery allows you to benefit from both conservatory and extension, being a combination of the two.

When is a conservatory not a conservatory? In order for a structure to remain a permitted development (a conservatory), the build needs to comply with a number of rules. A conservatory must be ground level, must not be more than 30m2, must be thermally separated from the original building, have its own heating and have glazing in critical zones that meet Part Nof the building regulations.

An extension refers to an additional structure that is anatomically in-keeping with your main property. An extension often requires planning permission unless it is classified as permitted development and is built with opaque cavity walls and brick-based foundations. Extensions are a big home improvement and investment, needing the work of an architect.
Conservatories or glazed extensions are perfect for those looking to add extra space on a budget. Typically, they are less of a logistical strain and in most cases do not require planning permission,

A conservatory can be built under permitted development rights, not needing an application for planning permission. A conservatory however is subject to the limits and conditions listed here. Building a conservatory onto an extension however, will be subject to different conditions. In some cases and under the permitted development regulations, you cannot attach an extension to an already extended part of a dwelling. It has to be attached to the original walls of the dwelling house.

Conservatories are generally much cheaper than a single-storey extension of the same size. The price difference will largely depend on size and how complex the structure is to build, as well as the quality of materials.

The cost of a conservatory extension can range from £6,000 to £20,000. Compared to a full on extension, it is a much more affordable way of increasing space within your property. A full blown extension can cost up to £30,000. An extension is priced on average, per square metre.

A conservatory or single-story extension can be built without planning permission if: It's a maximum of 4 metres high or 3 metres high, within 2 metres of a boundary and the conservatory or extension does not cover more than half of the garden.
From now until 2019, you can extend outwards by up to 8 metres for detached homes and 6 metres for other property types. For this, instead of applying for planning permission you will need to undergo a Neighbour Consultation Scheme.

In most circumstances, building regulations tend to apply when you build a new extension or a very large structure to your property. However, most of the time, conservatories are exempt from building regulations when they are erected at ground level and the floor surface areas is less than 30 square metres.

The average life expectancy of a conservatory depends on the quality of materials used as well as the installer. Generally speaking a conservatory built with uPVC window and door frames can last up to 25 - 30 years.

Conservatory extension costs are far more affordable than a full-blown extension. A conservatory costs anything starting from £3,000 - £4,000 deadening on final styles and specifications. On the other hand, full build house extensions can cost anything from £20,000 right up to £100,000+! Generally speaking extensions are priced on average, per square metre.

It is possible to build either a conservatory or a single-storey extension without gaining planning permission if: firstly, it has a maximum height of 4 metres or 3 metres high if situated within 2 metres of an existing boundary. The conservatory itself does not exceed over half the size of the garden.

Yes you can! Whatever the shape of your existing conservatory, you can be sure that there is a solid roof equivalent to meet your exacting requirements.

Changing roofs from a polycarbonate to a solid roof means that building regulations will apply. Your chosen installer will be able to answer any questions you have and help with any red tape such as contacting local authorities to resolve building regulations compliance.

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How Much Does a Sunroom Extension Cost?