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Conservatory roof replacement costs

The price you pay for a new conservatory roof will vary, the new conservatory roof cost will depend on a few factors, for example:

  • The type Are you changing your roof from Poly to Glass or Tiled?
  • The size Is you conservatory 3×3, 4×4 or bigger?
  • The style In addition to the size the style of conservatory will have an impact such as Lean-to or Victorian.
UPVC conservatory
How much does conservatory roof cost?

Like many home improvements, the cost of a replacement conservatory roof varies massively and prices are dependent on the company where you live, the company you choose and type of roof.

Indeed shopping around certainly pays when it comes to finding the right double glazed windows for your property.

Recent comparison research has revealed the average prices for conservatory roofs. For a 3m x 3m polycarbonate roof expect to pay £2,500 to £3,500.

Of course where you live in the country and the size of company you contact will affect the price.

For example if you have a Lean-to conservatory that is roughly 3m x 3m you would be looking to pay between £2,500 and £3,500 for a Polycarbonate roof, however a Victorian style conservatory which is 4m x 4m expect to pay £3,500 to £4,800 .

Type of conservatory roofAverage cost
Polycarbonate£2,500 to £3,500
Glass£4,200 to £5,400
Tiled£6,500 to £9,000
Conservatory roof replacement 3.5m x 3.5m costs

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What type of roof do you want?

Roof Type

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There are many benefits from upgrading your conservatory roof, depending on the type of roof you go for it can improve the usability, aesthetics and insulating properties.

You need to consider your budget, as well as what you want from your conservatory and the aesthetics.

In the realm of conservatory roof replacements, understanding the available roofing materials is essential for informed decision-making.

There are 3 main choices when it comes to roofing materials for your conservatory. Glass, Polycarbonate and Tiled with the latter quickly becoming the most popular choice for homeowners due to its multiple benefits and creating a room you can use year round.

  1. How much does a glass conservatory roof cost?
  2. What is the cost of a polycarbonate roof?
  3. How much does a tiled conservatory roof cost?
  4. Which roof to go for?

How much does a glass conservatory roof cost?

Glass roofs offer high energy efficiency and an appealing aesthetic and generally speaking are widely regarded as the best roofing material choice.

Clearly its a cheaper alternative to a Tiled roof whereas a more expensive option to polycarbonate.

Glass conservatory roof replacement cost starts from around £3,500 for a lean-to conservatory (3M X 3.5M). For an average size of 4m x 4m the average cost will be closer to £5,500.

While modern advancements have improved polycarbonate roofs to better retain heat, glass still out performs plastic when keeping your conservatory warm in the winter.

Energy savings are a clear draw, but another benefit for glass is its less prone to weather damage, meaning less maintenance and a longer lifespan.

It also doesn’t discolour over time vs Tiled and Polycarbonate which are a good home for Lichen, moss and mould.

Glass conservatory roof has better energy efficiency than polycarbonate but cheaper than tiled. Low maintenance and aesthetically pleasing.

  • Light – Glass allows natural light to flood into the conservatory, creating a bright and airy space. This is especially beneficial in winter when sunlight is limited.
  • Views – An unobstructed glass roof gives clear views of the outside from inside the conservatory. This connects you to the outdoors.
  • Space – A glass roof maximizes the feeling of space and height in a conservatory. It creates an open, expansive feel.
  • Solar gain – Glass absorbs heat from sunlight and radiates it back into the conservatory, known as solar gain. This helps warm the space naturally in colder months.
  • Growing plants – The light and warmth provided by a glass roof creates an ideal environment for growing plants, flowers and vegetables in a conservatory.
  • Aesthetics – The sight of a clear glass roof is an architecturally pleasing feature, lending a modern, light airy look to a conservatory.
  • Versatility – Glass roofs allow flexibility in design and shape, suiting many styles like Victorian, gable or lean-to.
  • Weather protection – A conservatory with a good quality glazed roof provides protection from the outside weather while still allowing light in.
  • Long lasting – Modern laminated and toughened glass is very durable and can last for decades with proper maintenance.
Glass roofed conservatory. UPVC conservatory.

Bearing in mind different roof sizes will factor, the cost to upgrading to a glass conservatory roof could increase a low end budget by around 12%.

For example a small polycarbonate roof will start around £2,300 whilst a similar size glass roof starts from £3,300.

Glass conservatory roof replacement cost in the UK can vary significantly depending on the size, style and specifications. Here is a general overview of the cost:

  • For a small lean-to conservatory (3m x 3m), expect to pay £2,500 – £4,000 for a glass roof fully installed.
  • For a medium sized Victorian or Edwardian style (4m x 4m), prices range from £4,500 – £7,000 for the roof.
  • Larger bespoke or P-shape conservatories (5m x 5m+) will cost £6,500 – £11,000 for a glass roof.
  • The glass itself usually costs £55 – £100 per m2.
Ai generated wooden conservatory with solid roof
Type of conservatorySizeAverage cost
Lean-to3m X 3.5m£3,200
Lean-to3.5m X 3.5m£3,700
Victorian4m X 4m£5,200
Victorian4.5m X 4.5m£6,100
Edwardian4m X 4m£5,300
Edwardian4.5m X 4.5m£6,000
Conservatory type roof replacement cost
  • Size – Larger roofs cost more overall.
  • Access issues – Complicated access can drive up labor costs.
  • Roof vents or opening sections – More complex ventilation adds expense.
  • Specialist glass – Options like self-cleaning or tinted glass is pricier.
  • Remote location – Building in a remote area increases installation costs.
  • Additional structural work – Reinforcing existing foundations or walls adds cost.

How much does a new polycarbonate roof cost?

As polycarbonate roofs are the cheapest option it clearly makes this material an ideal choice for homeowners on a budget.

Its also ideal for those concerned with security, as polycarbonate is harder to break than glass.

Also if used correctly, this type of roof will reflect light back into your living space with less glare.

A disadvantage vs other roof types is they do lack natural insulation, however it is easily solved with solar inserts for polycarbonate roofing material.

This will keep it cosy without inflating the costs.

Polycarbonate conservatory roof In addition to being the cheapest option which is good if you on are on a budget it will enhance your security, as polycarbonate is harder to break than glass.

  • Impact resistance – Polycarbonate sheets are very strong and resistant to impacts, which makes them durable and hardwearing. They are less prone to cracking compared to glass.
  • Insulation – Polycarbonate provides good thermal insulation. It helps retain heat in the winter and keeps interiors cool in the summer.
  • UV protection – Polycarbonate blocks over 99% of UV radiation from entering and causing fading. This protects furniture and furnishings.
  • Light transmission – Polycarbonate sheets allow in a high level of natural light, almost as much as glass. This creates a bright and airy space.
  • Safety – Polycarbonate is safer than glass if broken or shattered. It does not crack into sharp shards.
  • Weight – Polycarbonate is lighter than glass, making a roof easier to construct.
  • Versatility – Sheets are available in different levels of transparency, colors and surface textures. This allows customization.
  • Affordability – Polycarbonate is generally more affordable than glass for conservatory roofs.
  • Easy installation – Polycarbonate sheets can be installed quickly and easily even by non-professionals.

Obviously, costs will depend on the size. For a conservatory roof that is 4m x 4m, the price will likely fall in the range of £3,400 to £5,000.

  • For a small lean-to style conservatory (3m x 3m), expect to pay £1,800 – £3,000 for a polycarbonate roof fully installed.
  • For a medium Edwardian or Victorian (4m x 4m), prices range from £2,800 – £4,500 for the roof.
  • Larger bespoke polycarbonate roofs (5m x 5m+) will cost in the region of £4,000 – £7,000.
  • The polycarbonate sheets alone usually cost £20 – £60 per m2.
  • Size – larger roofs require more materials and labor.
  • Access – complicated access can increase installation costs.
  • Roof vents – opening vents or windows add expense.
  • Sheet specification – thicker, UV protected or colored sheets cost more.
  • Remote location – building in rural areas increases labor costs.
  • Additional structural work – reinforcing foundations may be needed.
  • Specialist installation – using certified installers costs more but recommended.

Polycarbonate is generally 15-30% cheaper than an equivalent glass conservatory roof. Get multiple quotes to find the best deal. Consider the quality and warranty of materials used.

How much does a new Tiled roof cost?

Lightweight tiles are able to handle temperature extremes a lot more efficiently than both glass and polycarbonate.

Providing shade in the summer while on the other hand retaining heat in the winter.

It can be a real game changer going for a tiled conservatory roof as it allows you to transform your conservatory into an extension to be used all year round.

This does change the classification of your conservatory from a temporary to permanent extension.

Due to this planning permission may need to be obtained, you will want to speak with your local council to see if you will need to apply.

Indeed this could increase costs, with planning permission costing around £500.

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What type of roof do you want?

Roof Type

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Tiled conservatory roof improves the usability and insulation of the conservatory especially in extreme weathers for example warmer in the winter and cooler in the summer making it the most popular roofing material.

  • Aesthetics – Tiles can create a classic, elegant look, especially if matching the existing roof on the house. Popular options include slate, clay and concrete tiles.
  • Durability – Tiles are very durable and hardwearing. A tiled roof can last for decades with minimal maintenance. They are not as prone to cracking like glass.
  • Noise – Tiles can reduce noise from rain and weather compared to glass or polycarbonate roofs. This helps keep the interior quieter.
  • Temperature – Tiles provide better roof insulation than glass, helping regulate temperatures. They can minimize overheating in summer and heat loss in winter.
  • Privacy – An opaque tiled roof gives greater privacy from overlooking neighbor’s homes. This can be preferable for some homeowners.
  • Weight – A tiled roof can withstand heavier snow loads without collapsing or leaking.
  • Ventilation – Tile roofs allow good ventilation to prevent condensation build up.
  • Value – Tiled roofs are seen as higher quality and can potentially add value to the property when selling.
  • Blends in – A tiled conservatory can blend in better with the main house rather than stand out.

On average expect to pay for a small conservatory (4m x 4m or smaller) is £6,000. For a larger conservatory roof being changed to Tiled it will cost roughly £8,500. Tiled Conservatory roof replacement cost is typically the most expensive.

  • For a small lean-to tiled conservatory roof (3m x 3m) expect to pay £2,500 – £4,500 fully installed.
  • For a medium Edwardian or Victorian style (4m x 4m) prices range from £4,000 – £6,500 for a tiled roof.
  • Larger bespoke tiled roofs on bigger conservatories (5m x 5m+) will cost £6,000 – £10,000.
  • Tiles alone cost £30 – £60 per m2 depending on material (clay, slate, concrete).
  • Roofing felt, battens and other materials cost around £400 – £800.
  • Size – larger roofs require more materials and time to install.
  • Roof design – simple lean-to roofs are cheaper than more complex shapes.
  • Tile type – natural slate is more expensive than concrete or clay tiles.
  • Roof vents – adding windows or vents increases labor and material costs.
  • Access issues – complicated access can mean scaffolding is needed.
  • Additional structural work – reinforcing foundations adds expense.
  • Location – remote areas mean higher labor costs.

Tiled roofs are generally 10-25% more expensive than polycarbonate or glass equivalents. Get multiple quotes for the best deal.

How long does it take to replace a conservatory roof?

As previously covered conservatory roof replacement cost will be determined by the type, size and material.

Replacing or fitting a new roof on a conservatory will tend to require a minimum of 2 people; moreover, it typically takes 2-4 days to complete the job

Labour costs you would expect to pay between £300-£500 per person per day, however that can differ depending where in the country you are.

It shouldn’t take more than 2-4 days for your installer to complete the work, depending on how big the team is working on your new conservatory roof.

Its advisable to expect longer for a tiled conservatory roof as that will likely require extra structural work.

  • Polycarbonate roof – if you are on a budget, don’t use your conservatory frequently/don’t expect to but still want to modernise and improve the space this will be the best option for you.
  • Glass roof – If you currently have a polycarbonate and want to improve the energy efficiency, reduce the maintenance and improve aesthetics this will be the best option for you. It’s still a cheaper option than tiled making it more affordable whilst bringing many benefits.
  • Tiled conservatory roof – If budget isn’t much of an issue and you want to turn that space into something you can use all year round then a solid conservatory roof is the one for you. Keeping you cool in the summer, warm in the winter and probably the most aesthetic looking.

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What type of roof do you want?

Roof Type

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Conservatory with a glass roof UK

In 2024, a tiled conservatory roof stands out as the optimal choice for conservatory roof replacement in the UK. This preference is primarily due to its superior insulation properties, which are indispensable in the country’s unpredictable climate.

Tiled roofs provide excellent thermal regulation, ensuring that conservatories remain comfortable year-round, maintaining a cosy atmosphere during chilly winters and preventing excessive heat buildup in the summer.

Moreover, they offer a stylish and modern aesthetic, effortlessly blending with the architecture of British homes. This design versatility, coupled with their durability and low maintenance requirements, makes tiled conservatory roofs a sustainable and cost-effective option. With the added benefit of reduced energy bills and improved energy efficiency, choosing a tiled roof for your conservatory is not only practical but also environmentally responsible, making it the ultimate choice for homeowners in the UK in 2024.

AspectTiled Roof (1st place)Glass Roof (2nd place)Polycarbonate Roof (3rd place)
Thermal InsulationExcellentGoodFair
Energy EfficiencyHighModerateLow
Aesthetic AppealStylish & ModernContemporaryLimited options
MaintenanceLowModerateRegular cleaning
Sound InsulationExcellentModerateLimited
Cost-effectivenessLong-term savingsModerate savingsInitial cost savings
Customization OptionsVaried stylesLimitedLimited
Comfort in All SeasonsYesSeasonal comfortSeasonal comfort
Tiled Vs Glass Vs Polycarbonate conservatory roof replacements
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How can I reduce the temperature in my conservatory?

Conservatories have really moved on in the last 10 years and the older style conservatories always get hot in the summer due to their glass or polycarbonate roofs. A new thermally efficient conservatory roof will ensure your conservatory maintains its temperature all year round.

How long will a conservatory roof last?

Most glass and polycarbonate conservatory roofs are estimated to have a life span of between 10 and 15 years. Whereas a tiled conservatory roof’s have a much longer life span, averaging at around 50 years.

Do i need building regs for a tiled conservatory roof

Building regulations are required for tiled/solid replacement conservatory roofs as the load on the existing structure is significantly increased.

Will a tiled conservatory roof help reduce condensation in my conservatory?

New tiled conservatory roofs have modern multi-layered roof designs to prevent the build-up of condensation in the roof structure and protect against the risk of damp.

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