How Much Do Extensions Cost?
Double Glazing Cost Our Extensions, Conservatories, and Roofs You can use the menu to navigate to your chosen extension (conservatory, orangery, glazed extensions and garden rooms) and style. You can […]
Conservatories
Double Glazing Cost
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Our Extensions, Conservatories, 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.
Check our conservatory, conservatory roofs and extension cost tables to see what price you can expect to pay for your new house extension or replacement roof.
Alternatively, you can get a quote for a new conservatory or house extension and get the most competitive prices by receiving conservatory quotes from local trusted installers.
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How Much Does a New Conservatory or a House Extension Cost?
Average conservatory prices start at £6000 and increase based on the size and material used. The average house extension cost can be much higher due to the requirement for deeper foundations and the labour costs and construction cost of a different, more permanent structure.
Conservatory costs are influenced by the style, colour and other factors like your choice of glass and the type of roof. The final cost even for similar sized conservatories can be hugely variable.
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 illustrate a complete breakdown of the prices you can expect to pay for each conservatory style and different sizes. You’ll be able to tailor your extension project to suit your budget and end up with a conservatory as a single storey extension at a fraction of the cost.
Use the links below to navigate straight to the content you’re interested in.
What Are The Benefits of a New Conservatory or Extension?
Conservatories and extensions can bring many benefits to your home. A conservatory can act as a single storey or wraparound extension on your existing house or, you can opt for a two storey extension, adding several rooms to your home.
So, what benefits can a new extension or conservatory deliver?
- Add value to your home: conservatories and extensions can increase the value of your home, and the added bonus with conservatories is that they don’t generally require any planning permission. 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. A permanent extension also adds value but may be at the expense of outside or garden space; this is where a conservatory represents the perfect compromise. You can save money today on conservatory prices with our easy-to-use online tool.
- Extended living space: Conservatories are one of the most cost-effective way to increase the living space of your home representing better value per square metre than an extension which will cost you much more at the outset. If you need more space adding a conservatory will prove an easier solution than moving house.
- Better natural light: Conservatories provide a great deal of natural light to flood your home and also blends your garden and home together. If you want a blend between a brick built extension and plenty of natural light, then consider a conservatory with a solid tiled roof. This really is the best of both worlds.
Improved Energy Ratings
New extensions and especially conservatories will have a much improved energy rating compared to conservatories fitted even ten or twenty years ago. New production and manufacturing methods and plus innovative glazing helped conservatories 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 and you’ll also have the option of a modern solid roof with roof lanterns for added natural light. A conservatory offer a huge range of styles and colours which is hard for a solid, brick built extension to match.
Conservatories vs. House Extensions
We like to think of conservatories as house extensions as with the right installer, design and materials, you can create much needed space in your home without all the additional costs of a solid brick built structure. Let’s put the two head to head and see which one wins!
Aesthetic Appearance
Some people feel the cost of an extension is worthwhile because it creates a more permanent and solid structure compared to a conservatory. Sometimes, conservatories can look like a bit of an add on. However, now there are an increasing number of conservatory designs which give a more blended look, particularly if you opt for a solid tiled roof that matches the property. It’s the best of both worlds!
Space-Efficient
If you don’t have much outside space then a single storey extension feels like you’re stealing away some essential garden. A conservatory doesn’t have to feel like this. It blends the outdoors and inside, adding valuable extra space without feeling like you have to choose to loose your greenery, particularly if you use the structure as a garden room.
Some houses just don’t have much room and this is where a lean-to conservatory comes into its own, wrapping around the ground floor of the building and providing more living space in the most efficient way. It can be hard to build even a small extension onto properties like this.
Planning Permission
Most conservatories fall within permitted development rights which means you won’t need planning permission to build one. The same is not necessarily true of a medium extension or something bigger. The only caveat is that if you live in a conservation area of have a listed home then you may need to consent and there could be restrictions on the type of conservatory you choose.
The planning permission process can take time and there are costs involved.
Cost
The higher cost of an extension is the tipping point for many people; the average costs per square metre of an extension compared to a conservatory can be two, three or four times the price.
A conservatory provides a single storey house extension without all of the additional costs of a similar ground floor building; it’s definitely the most cost-effect route to gaining more living room. Using a solid roof on your conservatory creates the look of an extension from the main house but with all the advantages of natural light from glass wall and roof lights. A conservatory is a fraction of the cost of a loft conversion, a basement extension, or complex extensions, and with all the advantages of daylight flooding in.
Extensions are more complicated and will require plans and drawings plus, and they must satisfy building regulations so you may need to employ an architect or structural engineer. This more complex process comes at a higher cost. Each stage of the work will need satisfactory building regulations approval.
What Are Average Conservatory and House Extension 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 planning permission in order to be completed. An average extension cost for a 4m x 3m structure is 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. It’s easy to see which is the cheaper extension project!
These prices are a guide only and you can see a full breakdown of the cost of a conservatory for your extension project as well as conservatory roof prices if you only want to upgrade your conservatory roof for your glazed extension. You can get a bespoke price for your new conservatory, extension or roof by filling out the form on this page. We guarantee that you’ll receive the best possible conservatory price available in your area and finally get that much needed extra space!
Average Prices for Each Conservatory Style
These prices will be based on a polycarbonate or glass roof and are to be used as a guide only. Conservatory prices can vary 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. An Edwardian conservatory is perfect for a sizeable rear extension.
Lean-to conservatory costs are generally the cheapest out of all the conservatory styles and start from £8,000. Lean-to conservatories are ideal for locations where a single storey extension just isn’t workable.
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 so you’ll be one step closer to your dream house extension. You’ll have a completely transparent quote from trusted local installers, and we guarantee there won’t be any hidden costs. Our honest and reliable window and door estimates will give you an accurate double glazing cost valuation for your overall house extension cost.
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 the final cost of your extension project, from the bespoke design to the installation.
Conservatory Extention Costs
Conservatory prices can vary drastically depending on the size, shape and style you choose. Take a look at our guide price tables for the conservatory costs you can expect to pay. Bear in mind that these prices are a guide only and just average costs; 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.
If you’re just looking at new conservatory roofs then the cost is wholly dependent on the style. You could opt for a roof that compliments your house style, and partner this with a more traditional or modern ceiling. All of these decisions will have an impact on the overall cost. 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 Conservatory
- Victorian Conservatory
- Edwardian Conservatory
- Gable Fronted Conservatory
- P-Shaped Conservatory
- T-Shaped Conservatory
- L-Shaped Conservatory
Lean-to conservatories are the most cost-effective option for your home; you won’t find a more reasonable extension cost. 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 is the perfect house extension. Find our prices for lean-to conservatories below:
| Conservatory Size (mm) | Roof Material | Guide Price |
| 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 |
Victorian conservatories are a more traditional home extension design. With features such as ornate, faceted windows and a bay front, they can complement classic homes with ease and are perfect if you’re looking for a larger single storey extension. Modern designs feature plenty of double glazing to allow natural light to pour in. Find our prices for Victorian conservatories below:
| Conservatory Size (mm) | Roof Material | Guide Price |
| 3500 x 3500 | Polycarbonate | £11,000 – £12,500 |
| 3500 x 3000 | Glass | £12,000 – £13,500 |
| 3500 x 4000 | Polycarbonate | £12,000 – £13,500 |
| 3500 x 4000 | Glass | £13,000 – £14,500 |
| 4000 x 4000 | Polycarbonate | £13,000 – £14,500 |
| 4000 x 4000 | Glass | £13,500 – £15,500 |
Edwardian conservatories are similar to Victorian builds, but they have a simpler design. Instead of a bay front, these builds utilise a square floorplan, meaning you can use your new space to the fullest extent. Not only that, you can customise the design to suit almost any purpose. Find our prices for Edwardian conservatories below:
| Conservatory Size (mm) | Roof Material | Guide Price |
| 3500 x 3500 | Polycarbonate | £9,000 – £10,500 |
| 3500 x 3500 | Glass | £9,500 – £11,000 |
| 3500 x 4000 | Polycarbonate | £11,500 – £12,500 |
| 3500 x 4000 | Glass | £12,000 – £13,500 |
| 4000 x 4000 | Polycarbonate | £13,500 – £15,000 |
| 4000 x 4000 | Glass | £14,500 – £16,000 |
A statement addition to any home is a gable-fronted conservatory. Conservatories like this have a distinctive, high-pitched roof which creates more space, like a two-storey extension but without the second floor. As a result, you can enjoy natural light throughout the year, and you can also customise the roof with unique options. Find our prices for gable-fronted conservatories below:
| Conservatory Size (mm) | Roof Material | Guide Price |
| 3500 x 3500 | Polycarbonate | £11,500 – £13,000 |
| 3500 x 3500 | Glass | £12,500 – £14,000 |
| 3500 x 4000 | Polycarbonate | £12,750 – £14,250 |
| 3500 x 4000 | Glass | £13,500 – £15,000 |
| 4000 x 4000 | Polycarbonate | £13,750 – £15,250 |
| 4000 x 4000 | Glass | £14,500 – £16,000 |
P-shaped conservatories offer a traditional appearance but with a touch of modern functionality. The P-shape combines both a classic and modern style so you can get the best of both worlds. Whether you’re looking for something that is going to bring a traditional look to a modern build, or you want something that is going to offer a more classic feel to the existing structure, your installer of choice will be on hand to bring you the perfect fit for your property. Find our conservatory roof prices for P-shaped conservatories below:
| Conservatory Size (mm) | Roof Material | Guide Price |
| 5000mm x 3000mm | Polycarbonate | £12,500 – £14,000 |
| 5000mm x 3000mm | Glass | £13,000 – £14,750 |
| 5000mm x 3500mm | Polycarbonate | £13,500 – £15,000 |
| 5000mm x 3500mm | Glass | £14,000 – £15,500 |
| 5000mm x 4000mm | Polycarbonate | £14,250 – £15,750 |
| 5000mm x 4000mm | Glass | £15,000 – £16,500 |
- These prices are estimates for a fully build P-shaped conservatory with Dwarf Wall.
T-shaped conservatories combine two styles of conservatories to create a unique design. A typical T-shape conservatory runs along one side of the house, with a central projection in the middle – forming a T-shape. The longer part of the conservatory is usually Edwardian in style, with the central projection acting as a contrasting Victorian or Gable design. Typically, these conservatories are suited to larger properties. You can view our guide price for a T-shaped conservatory in the table below or you can get an accurate bespoke price using our comparison tool.
| Conservatory Size | Roof Material | Guide Price |
| 5000mm x 3000mm | Polycarbonate | £12,500 – £14,000 |
| 5000mm x 3000mm | Glass | £13,000 – £14,750 |
| 5000mm x 3500mm | Polycarbonate | £13,500 – £15,000 |
| 5000mm x 3500mm | Glass | £14,000 – £15,500 |
| 5000mm x 4000mm | Polycarbonate | £14,250 – £15,750 |
| 5000mm x 4000mm | Glass | £15,000 – £16,500 |
- These prices are estimates for a fully build T-shaped conservatory with Dwarf Wall.
L-shaped conservatories are an impressive conservatory design that combines a lean-to conservatory with an Edwardian design to create an ‘L’ floorplan. They are the ideal option for homeowners looking to bring a large new living space to their home without having to undertake a costly move. These conservatories bring two different living spaces, each with its own charm and benefits.
L-Shaped conservatory prices can depend on a variety of different factors but you can use our online quoting tool to get a bespoke price for your L-shaped conservatory today.
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. One option is a lightweight tiled roof which gives the feeling of a small extension without the cost. See below different conservatory roof prices.
- Lantern Conservatory Roof
- Glass & Polycarbonate Roof
- Tiled Conservatory Roof
- Double Hipped Conservatory Roof
- Glass & Polycarbonate Roof
- Tiled Conservatory Roof
- Double Hipped Conservatory Roof
- Lantern Conservatory Roof
Lean-to Conservatory Roof Prices
| Conservatory Size (mm) | Roof Material | Guide Price |
|---|---|---|
| 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 |
| 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 |
| 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 |
| 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 |
Tiled conservatory roofs are an excellent choice if you want your conservatory to blend in with your home. Installing a tiled conservatory roof will also improve the heat retention and reduce outside noise and glare allowing you to use your conservatory all year round. You can keep natural light using roof lights. However, tiled roofs often require planning permission and are generally more expensive than glass roofs. If you’re considering a brick built extension instead of your current conservatory, then a tiled roof can reduce the cost significantly.
Here are some average tiled conservatory roof prices.
Lean To Conservatory Tiled Roof Prices
| Conservatory Size (mm) | Roof Material | Guide Price |
| 2500 x 2500 | Tiled | £4050 – £4950 |
| 3000 x 3000 | Tiled | £4455 – £5445 |
| 3500 x 2500 | Tiled | £6058 – £7405 |
Victorian Conservatory Tiled Roof Prices
| Conservatory Size (mm) | Roof Material | Guide Price |
| 3000 x 3000 | Tiled | £5832 – £7128 |
| 3500 x 3500 | Tiled | £7056 – £8625 |
| 4000 x 4000 | Tiled | £9856 – £12046 |
Edwardian Conservatory Tiled Roof Prices
| Conservatory Size (mm) | Roof Material | Guide Price |
| 3000 x 3000 | Tiled | £5832 – £7128 |
| 3500 x 3500 | Tiled | £7056 – £8625 |
| 4000 x 4000 | Tiled | £9856 – £12046 |
Gable Fronted Conservatory Tiled Roof Prices
| Conservatory Size (mm) | Roof Material | Guide Price |
| 3000 x 3000 | Tiled | £5832 – £7128 |
| 3500 x 3500 | Tiled | £7056 – £8625 |
| 4000 x 4000 | Tiled | £9856 – £12046 |
Georgian Conservatory Tiled Roof Prices
| Conservatory Size (mm) | Roof Material | Guide Price |
| 3000 x 3000 | Tiled | £5832 – £7128 |
| 3500 x 3500 | Tiled | £7056 – £8625 |
| 4000 x 4000 | Tiled | £9856 – £12046 |
A double-hipped conservatory has a distinctive double-hipped roof. This classic design creates more overhead space, meaning that natural light can flow into your new living area from above. It’s a great option if you want to take advantage of height but don’t want a double storey extension. Additionally, you’ll be able to match the roofing, profiles and even the dwarf wall if you choose one to the colours of your existing property for a seamless fit. Find our conservatory roof prices for double-hipped conservatories below:
| Conservatory Size (mm) | Roof Material | Guide Price |
| 3000 x 3000 | Polycarbonate | £3538 – £4324 |
| 3000 x 3000 | Glass | £3748 – £4582 |
| 4000 x 4000 | Polycarbonate | £4840 – £5915 |
| 4000 x 4000 | Glass | £5195 – £6350 |
| 5000 x 5000 | Polycarbonate | £6376 – £7794 |
| 5000 x 5000 | Glass | £6916 – £8454 |
A lantern roof conservatory is a unique, dramatic addition to any home. A roof lantern is a vaulted glass skylight that extends upward, creating a stunning view of the sky above. Not only that, it’s surrounded by the materials you’ll find in a solid roof, meaning you get a perfect balance of light and warmth inside your conservatory. Find our conservatory roof prices for lantern roof conservatories below or you can use our online comparison tool to get a free bespoke price:
| Conservatory Size (mm) | Roof Material | Guide Price |
| 3000 x 3000 | Polycarbonate | £3538 – £4324 |
| 3000 x 3000 | Glass | £3748 – £4582 |
| 4000 x 4000 | Polycarbonate | £4840 – £5915 |
| 4000 x 4000 | Glass | £5195 – £6350 |
| 5000 x 5000 | Polycarbonate | £6376 – £7794 |
| 5000 x 5000 | Glass | £6916 – £8454 |
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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 complement the look of your home and increase its value.
