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Our Conservatories, Extensions and Roofs
You can use the menu to navigate to your chosen extension (conservatory, orangery, glazed extensions and garden rooms) and style. You can also view our conservatory roof products.
You can also check our conservatory, conservatory roofs and extensions guide price table below to see what price you can expect to pay for your new extensions or replacement roof.
Alternatively, you can get a quote for a new conservatory or extension and get the most competitive prices by comparing prices with us and receiving conservatory quotes from local trusted installers.




How Much Does a Conservatory or an Extension Cost?
Average conservatory prices start at £6000 and increase based on the size and material used. Your chosen style, colour and other options will affect this price as well. In this guide, we’ll take you through some of those key factors that affect conservatory prices, including the shape, size, style and colour. We will also show a complete breakdown of the prices you can expect to pay for each conservatory style and different sizes so you can get a better understanding of what price you can expect to pay for a new conservatory. For cheap double glazed window prices, choose Double Glazing on the Web.
You can use the links below to navigate the page to the relevant content.

What Are The Benefits of a New Conservatory or Extension ↓
Average Prices for Each Conservatory Style ↓
What is Included in Your Conservatory or Extension price? ↓
How Will Accessories & Hardware Affect Double Glazing Cost? ↓
Conservatory Costs ↓
Conservatory Roof Prices ↓
Save Money on Conservatory Prices ↓
What Are The Benefits of a New Conservatory or Extension
Conservatories and extensions can have many benefits to you and your home. The most prominent ones being:
- Add value to your home: Conservatories and Extensions can increase the value of your home and conservatories generally do not require any planning permissions. A typical conservatory may add more than 5% to your property’s value and a bespoke high performance one that blends perfectly with your house can add even more than that. You can add value to your home today by comparing conservatory prices with our easy to use tool and saving on your conservatory costs.
- Extended living space: Conservatories are one of the most cost-effective way to increase the living space of your home. If you need more space adding a conservatory will prove an easier solution than moving home as conservatories are generally a cost effective way to add space and value to your home.
- Better natural light: Conservatories provide a great deal of natural light to flood your home and also blends your garden and home together.

Improved Energy Ratings
New conservatories and extensions will have a much improved energy rating compared to conservatories fitted 10-20 years ago. New production and manufacturing methods and new designs have helped conservatories and extensions become an energy-efficient addition to any home that will provide a usable space all year round.

Range of Styles and Colours
Conservatories come in many different shapes, sizes and colours for you to choose from. You will be able to perfectly complement your home with a bespoke conservatory installation from one of our approved installers. You can also match the tiles of your house if you decide on a tiled conservatory roof or you can have a modern solid roof with roof lanterns for added natural light.

What Are The Average Conservatory Prices?
The average price for a new conservatory starts at around £6000 and will depend on the size, material and style of your chosen conservatory. Additional options such as a tiled or solid roof and roof lanterns will considerably increase the price of your conservatory. The size will also be a large factor in deciding the price of your conservatory.
Extension prices are considerably higher than that of a conservatory of the same size and extensions will generally require building permissions in order to be completed. The average price of a 4m x 3m extension will be between £24,000 and £27,000. This price will also be affected by the size, style, materials used and any additional features that you choose.
These prices are a guide only and you can see a full breakdown of the cost of a conservatory and the cost for an extension as well as conservatory roof prices if you only need an improved conservatory roof for your glazed extension. You can get a bespoke price for your new conservatory, extensions or roof by filling out the form on this page and you will receive the best possible conservatory price available in your area.
Average Prices for Each Style
These prices will be based on a polycarbonate or glass roof and are to be used as a guide only. Conservatory prices can change drastically based on your specification. You can view our full breakdown of each of these styles and sizes in the guide conservatory cost tables below.
Edwardian conservatory costs start between £10,000 and £13,000.
Lean-to conservatory costs are generally the cheapest out of all the conservatory styles and start from £8,000.
Victorian conservatories are a traditional design that starts at around £12,000.
Gable conservatories have a very distinctive style and start from around £12,000 to £13,000.
For a full breakdown see the conservatory price tables below.

What is Included in Your Conservatory or Extension price?
We’ll help you to understand exactly what the result from our double glazing prices tool will provide you with. You’ll have a completely transparent quote from trusted local installers, so there won’t be any hidden costs that cause your double glazed window prices to rise. Our honest and dependable window and door estimates will give you an accurate double glazing cost valuation for your installation.

The online quote you generate using our conservatory cost calculator will include:
- A full technical survey
- The style, size and colour of the product
- Energy efficiency rating (whether A, B or C WER.)
- Security features
- Glass (a choice of standard, toughened or obscured.)
- Handles
- External cill
- The full installation which includes all colour matched trims, fixings, silicones and sealants.
- Registration with an industry body such as FENSA or Certass and relevant certification.
- Removal and disposal of your old windows and doors.
Our quotes are wholly inclusive, so there will be no surprises later on. You will know up-front how much your new double glazing will cost, from the bespoke design to the installation.

Conservatory Costs
Conservatory roof prices can vary drastically depending on the size, shape and style you choose. You can have a look at our guide price tables for the conservatory roof costs you can expect to pay. Bear in mind that these prices are a guide only and actual prices may vary depending on what you choose. You can compare prices on new conservatory roofs or full conservatories and save on costs by using our conservatory quoting tool.
The prices you’ll pay for new conservatory roofs will change mostly depending on the style. Not only that, you may want to opt for a roof that compliments the style, meaning you could end up picking a more traditional or modern ceiling. All of these decisions will have an impact on your overall conservatory prices, too. Use our price tables below to get an idea of how much you should be paying for full build and conservatory roof prices:
Lean-to conservatories are the most cost-effective option for your home. With a flatter roof and fewer parts in the design, they are cheaper and easier to build. However, their performance is as good as any build, and their sleek lines give them a modern feel that lifts your home. Find our prices for lean-to conservatories below:
Conservatory Size (mm) | Roof Material | Guide Price |
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3500 x 2500 | Polycarbonate | £8,000 – £9,500 |
3500 x 2500 | Glass | £8,500 – £10,000 |
4000 x 2000 | Polycarbonate | £7,500 – £9,000 |
4000 x 2000 | Glass | £8,000 – £9,500 |
4000 x 2500 | Polycarbonate | £9,000 – £10,000 |
4000 x 2500 | Glass | £9,500 – £10,500 |
Conservatory Roof Prices
If you are looking to improve the efficiency or look of your conservatory then a replacement roof might be a perfect choice for you. Recent advancements in conservatory roof design and manufacturing have made new conservatory roofs incredibly durable and efficient. They can also make your conservatory into a perfectly usable living space all year round as they have excellent insulating properties. You can see what conservatory roof prices to expect in the tables below.
Lean-to Conservatory Roof Prices
Conservatory Size (mm) | Roof Material | Guide Price |
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2500 x 3000 | Polycarbonate | £1960 – £2396 |
2500 x 3000 | Glass | £2136 – £2612 |
3000 x 3000 | Polycarbonate | £2226 – £2720 |
3000 x 3000 | Glass | £2422 – £2962 |
3000 x 3500 | Polycarbonate | £2345 – £2865 |
3000 x 3500 | Glass | £2560 – £3130 |
Victorian Conservatory Roof Prices
Conservatory Size (mm) | Roof Material | Guide Price |
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3000 x 3000 | Polycarbonate | £3092 – £3778 |
3000 x 3000 | Glass | £3302 – £4036 |
4000 x 4000 | Polycarbonate | £4260 – £5208 |
4000 x 4000 | Glass | £4618 – £5644 |
5000 x 5000 | Polycarbonate | £5718 – £6990 |
5000 x 5000 | Glass | £6260 – £7650 |
Edwardian Conservatory Roof Prices
Conservatory Size (mm) | Roof Material | Guide Price |
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3000 x 3000 | Polycarbonate | £3110 – £3800 |
3000 x 3000 | Glass | £3320 – £4060 |
4000 x 4000 | Polycarbonate | £4366 – £5338 |
4000 x 4000 | Glass | £4724 – £5774 |
5000 x 5000 | Polycarbonate | £5910 – £7224 |
5000 x 5000 | Glass | £6450 – £7885 |
Gable Conservatory Roof Prices
Conservatory Size (mm) | Roof Material | Guide Price |
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3000 x 3000 | Polycarbonate | £3110 – £3800 |
3000 x 3000 | Glass | £3320 – £4060 |
4000 x 4000 | Polycarbonate | £4366 – £5338 |
4000 x 4000 | Glass | £4724 – £5774 |
5000 x 5000 | Polycarbonate | £5910 – £7224 |
5000 x 5000 | Glass | £6450 – £7885 |
Save Money on Conservatory Prices
In this comprehensive guide, we have outlined the costs you can expect to pay for a conservatory, orangery or extension. All prices are just estimates and can change based on the material, size and any accessories you add.
The best way to save money on conservatory prices is to compare quotes from local installers. Using our online tool you can enjoy excellent savings on the price of a new conservatory or extension.
Compare conservatory prices online with our online comparison tool. Upgrade your home and increase your living space by adding a new conservatory, orangery or extension that will surely complement the look of your home.