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How Much Does a Glass Extension Cost?

A glass extension costs between £14,535 for a small glass extension and can go up to £72,000 or more. The glass extension price will change depending on your selected specifications from choosing the most suitable design, style and structure.

There is a large amount of glass extension types to choose from, each with customisation options and additions that you can select to create a bespoke structure that is unique to your home.

You can also tailor your glass extension so that the cost is within your preferred budget and price range. The beauty of glass extensions is that you can start from a smaller priced solution if your budget it more limited, whilst still adding a stunning feature to your home.

Homeowners with a larger budget can look at more complex structures with a range of accessories and ideas to work with. Whatever you choose, you can get a glass extension that does everything you want it to at a budget-friendly price.

Glass extensions are popular due to being a straight forward and simple solution to add more space and to enhance the aesthetic of a property.

By adding a glass extension to your home, you will immediately enjoy increased thermal efficiency that will result in helping to lower your energy costs and reduce your carbon footprint. This makes it a cost-effective solution as well as a cosmetic one, with excellent features and benefits.

Whether you’re looking for a glass extension that will give you the space you require, or you’re looking to extend an existing room we can provide you with an accurate and no-obligation quote for your needs.

We can put you in touch with three local companies that can provide what you need so that you can compare quotes before deciding on the best option for you and your home.

Our glass extension calculator will give you an instant quote, with a simple step by step process where you input your exact requirements and get a price that is within your budget.

Get your project underway so that you can enjoy the glass extension you’ve always dreamed of. Find out more about the average cost of glass extensions, what the advantages of adding one to your home are and how to get started with useful pricing tables and guidelines from Conservatory Online Prices.

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What is the Average Cost of a Glass Extension?

The average cost of a medium sized glass extension is between £24,225 to £37,485. Once you’ve chosen the style, design, material, size and shape you’ll then need to have a think about the colour, finish and hardware options that you’d like. As well as this, there are a whole host of configuration options with regards to selecting doors, windows, roof type and more.

If you’ve got a good idea of how you’d like your glass extension to look, you can use our online calculator to get an average cost for your needs.

If you’re unsure, you can peruse your options and take a look at the styles and products available. The company you choose to supply and fit your glass extension will be able to recommend and advise on certain elements of your home improvement project so that you get the perfect fit for your home.

The purpose of your glass extension will determine the way it should be designed. You may be looking to extend an existing room in your home to give you more space and an open plan feel.

This will mean that you’ll be taking into consideration how you want the room to work and the layout you’re after. Alternatively, you may be looking for a glass extension that creates a new room in your property that is separate to the rest of your house for a specific use such as a study, playroom, dining area or something similar.

Glass extensions traditionally feature a glass roof to maximise the amount of natural light that enters your home creating the illusion of more space and creating a spacious and bright atmosphere.

You can opt for a solid roof if you’d prefer to create a space that maintains your privacy, with the option of adding roof lanterns for an injection of light.

You can personalise your glass extension to work as you’d like it to, with exceptional benefits and features that a traditional extension won’t provide.

The cost of glass extensions varies when it comes to the style, with a large range of options to choose from starting from minimalist structures that are simple yet effective or more complex builds that are decorative and detailed. You can select an extension that suits your personal style or that blends in seamlessly with the surroundings of your home.

With a large range of colours and finishes to choose from you can match current colour palettes in your home for a consistent aesthetic.

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

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What are the Features and Benefits of a Glass Extension?

If you’re deliberating on whether to invest in a glass extension for your home due to the cost, take into consideration the money you’ll save in other ways including energy conservation.

Your newly installed glass extension will be intelligently designed to reduce heat loss, keeping your home warmer for longer throughout the year. This in turn reduces your energy costs and your carbon footprint, making it a cost-effective solution as well as eco-friendly.

The increased thermal efficiency will benefit you in the colder months, with less of a reliance on the central heating and maintaining a warm and comfortable environment all year round.

During the summer months, the windows and doors you choose to install into your glass extension will allow you to increase the natural ventilation of your home and introduce a good air flow.

You can control the level of heat of ventilation with superb solutions that you’ll enjoy for years to come.

Adding double glazing to your property such as a glass extension can add up to 7% in value to your home, making it a worthwhile investment if you are thinking of selling your home in the near future. A glass extension is an attractive feature to prospective buyers and it will surely provide an advantage over other homes for sale in the same neighbourhood.

Many homeowners invest in a glass extension to make the property larger without having to move to a larger home which is an expensive and lengthy process.

Adding a glass extension to your home will eliminate draughts, remove the threat of water ingress and keep your home warm and dry no matter the weather.

With a high quality glass extension, you won’t need to worry about a build up of mould or mildew as condensation will be a thing of the past. On top of this, your extension will be incredibly low maintenance!

You won’t need to spend time or money on the upkeep of your extension and you’ll enjoy a durable addition to your home that will last the test of time. This makes a glass extension one of the most worthwhile investments to your home if you’re thinking of undertaking a home improvement project.

All of the features and benefits included here will come with a professional and efficient installation carried out by your chosen company.

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How Much will it Cost to Install a Small Glass Extension?

A small glass extension costs between £14,535 to £26,775 to build and install professionally.

The majority of glass extensions don’t require planning permission or similar legal requirements, so you won’t find any hidden or unexpected costs along the way. The company you choose to install your glass extension will be able to take care of the entire process of your home improvement project, keeping you in the loop along the way and answering any questions that you may have. They will also make sure that your project stays within budget and is delivered in the correct time frames.

The cost of the installation of your glass extension will depend on your selection of material, size, style, design and more.

You have a wide range of windows, doors, glazing options, colours, finishes, hardware accessories and other elements that make up your glass extension installation. You can get a good idea of the price of your glass extension ideas using our online quote calculator.

Before you embark on a glass extension home improvement project you will need to take into consideration the amount of space available in your home and how you want the extension to work.

The finer details such as what style of doors you want in order to access the garden area, whether you want floor to ceiling windows or whether you want a solid or glass roof will be discussed with your chosen company and an accurate quote will be provided.

You will need to discuss what you want to achieve with your chosen company so that they know exactly what glass extension will work best to reach those goals.

For example, if you’re looking for increased natural light you might be advised to have a glass roof or a solid roof with the addition of roof lanterns. If you’re looking for a small glass extension, you’ll need to think about how you want to connect it to the rest of the house and what transition you want to the outdoors. 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

What is the Price of a Large Glass Extension?

A large glass extension can cost between £33,915 to £72,000 on average. They are a popular home improvement solution providing extended room, increased natural light, thermal efficiency, security and visual appeal.

Creating a space that all of the family can enjoy, you’ll be glad you chose to invest in a glass extension to transform your home and give it a new lease of life.

With practical and beautiful elements that you can add, such as roof lanterns, bi-fold doors, floor to ceiling glazing, sliding doors, vaulted ceilings, skylights, tilt and turn windows, pitched ceilings, decorative details and more you can create a truly bespoke addition to your home that is completely unique to you and your property.

With a style to suit any property type, whether you own a contemporary property with minimalist style and a futuristic appeal or something more conventional such as a period property with historic charm, a glass extension can enhance the aesthetic and bring with it a new and improved look and feel.

You won’t have to compromise on style over functionality with a professionally installed glass extension that are affordable and extremely cost-effective. Choose a small glass extension from £14,535 or a large glass extension from £33,915 and personalise it to make it your own.

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.

You can get an idea of what the price of your glass extension will be with our online calculator, giving you guideline pricing and costs so that you can work out how much you’d like to budget or your new extension.

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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