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Why replace your roof
- Warmer in winter
- Cooler in summer
- Quiet when it rains
- A room you use all year
Our prices and data come from Met OfficeHM Land RegistryLABCPlanning PortalWhich?
How much is a new polycarbonate conservatory roof?
A new polycarbonate roof for a medium conservatory typically costs £2,700 to £5,200 fitted, with most quotes landing near £3,900. Here is the breakdown by style, size, extras and region.
New polycarbonate roof prices by style and size
Fitted prices, removal of the old roof and standard finishes.
| Style | Small up to about 3m x 3m | Medium about 4m x 3.5m | Large about 5m x 4m or more |
|---|---|---|---|
| Victorian | £3,200 £2,400 to £4,000 | £4,200 £3,300 to £5,200 | £5,300 £4,300 to £6,400 |
| Edwardian | £3,000 £2,200 to £3,700 | £3,900 £3,000 to £4,700 | £4,900 £3,900 to £5,900 |
| Lean-to | £2,600 £2,000 to £3,300 | £3,400 £2,700 to £4,100 | £4,300 £3,400 to £5,200 |
| Gable fronted | £3,000 £2,200 to £3,700 | £3,900 £3,000 to £4,700 | £4,900 £3,900 to £5,900 |
| P-shape | £3,800 £2,800 to £4,700 | £5,000 £3,900 to £6,100 | £6,300 £5,000 to £7,500 |
| T-shape | £3,800 £2,800 to £4,700 | £5,000 £3,900 to £6,100 | £6,300 £5,000 to £7,500 |
What a new polycarbonate roof quote should include
- Removal and disposal of the old sheets
- New multiwall polycarbonate at the thickness stated (25mm or 35mm is typical)
- New gaskets and seals, end caps and breather tape
- Cleaning or replacing the gutters and ridge
Extras you may be quoted for
| Extra | Typical price | Notes |
|---|---|---|
| New fascias and guttering | £150 to £775 | Most solid roof systems come with their own gutter and fascia. |
| Removal and disposal of the old roof | £120 to £800 | Usually included. Skip hire alone is about 120 to 300 pounds. |
New polycarbonate roof cost by region
Medium conservatory, adjusted for regional labour costs.
| Region | Typical | Range |
|---|---|---|
| London | £4,950 | £3,450 to £6,600 |
| South East | £4,400 | £3,050 to £5,900 |
| South West | £4,050 | £2,800 to £5,400 |
| East of England | £4,150 | £2,900 to £5,550 |
| East Midlands | £3,900 | £2,700 to £5,200 |
| West Midlands | £3,900 | £2,700 to £5,200 |
| Yorkshire and the Humber | £3,650 | £2,500 to £4,850 |
| North West | £3,650 | £2,550 to £4,900 |
| North East | £3,650 | £2,500 to £4,850 |
| Wales | £3,650 | £2,500 to £4,850 |
| Scotland | £3,750 | £2,600 to £5,000 |
| Northern Ireland | £3,450 | £2,400 to £4,600 |
New polycarbonate roof systems and their prices
Named products sold through UK installers. Specs are from each maker's published data.
Multiwall polycarbonate roof sheets, 10mm / 16mm / 25mm / 35mm (market overview)
Cheapest roof option; lightweight; shatterproof
- Made byVarious (Brett Martin Marlon ST, Exolon Group, Clear Amber Axiome, others)
- U-value1.2 W/m²K (maker's figure)
- Weight3.9 kg/m²
- Guarantee10 years
Marlon ST multiwall polycarbonate (incl. Solar Control and Dual Tints)
Heatguard/opal and bronze/opal dual tints give a solar controlling outer layer with an opal inner for conservatories
- Made byBrett Martin
- U-value1.2 W/m²K (maker's figure)
- Weight3.9 kg/m²
- CertificationIndependently tested to various fire standards (details from Brett Martin technical department)
Exolon multi UV multiwall polycarbonate (incl. IQ-Relax)
IQ-Relax: 'More light, less heat' opal sheet
- Made byExolon Group S.p.A
- U-value1.3 W/m²K (maker's figure)
- Weight3.3 kg/m²
- Guarantee10 years
- CertificationFire: B-s1, d0 to EN 13501-1 (16mm 5X datasheet)
Axiome multiwall polycarbonate sheets
Free cut-to-size; free delivery over GBP 400
- Made byClear Amber (own brand)
Compare with the alternatives
Tiled roof
£7,400 to £12,100
Using the room every month of the year
Glass roof
£3,500 to £7,000
Keeping the light and the view of the sky
Hybrid roof
£6,600 to £12,600
Warmth with pools of daylight
Insulated roof panels
£1,800 to £4,600
A warmer room on a tighter budget
Orangery conversion
£14,000 to £35,000
A full extension feel without building a new room
New polycarbonate roof cost questions
How much does a new polycarbonate roof cost for a conservatory?
A typical new polycarbonate roof for a medium conservatory (about 4m x 3.5m) costs £2,700 to £5,200 fitted. A small conservatory starts around £2,000 and a large one can reach £6,400. A medium lean-to is usually £2,700 to £4,100, and a medium Victorian £3,300 to £5,200.
How long does it take to fit a new polycarbonate roof?
Most installs take 1 to 2 days from stripping the old roof to handing over. Bigger or more complex shapes, and any work on the frames or base, add time.
Do I need building regulations for a new polycarbonate roof?
Exempt when like for like. Replacing one translucent roof with another usually keeps the conservatory within the exemption, provided it stays separated from the house by external quality doors and has no extension of the main heating. Building regulations guide.
How long does a new polycarbonate roof last?
Expect 10 to 20 years, depending on the system, the installer and the maintenance. Check the length and type of guarantee on each quote, and whether it is insurance backed.
Get new polycarbonate roof quotes for your home
See a price range for your exact conservatory, then compare up to four written quotes from local installers.