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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 does a orangery conversion cost?
A orangery conversion for a medium conservatory typically costs £14,000 to £35,000 fitted, with most quotes landing near £24,500. Here is the breakdown by style, size, extras and region.
Orangery conversion 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 | £15,800 £9,000 to £22,500 | £24,500 £14,000 to £35,000 | £35,000 £20,000 to £50,000 |
| Edwardian | £15,800 £9,000 to £22,500 | £24,500 £14,000 to £35,000 | £35,000 £20,000 to £50,000 |
| Lean-to | £15,800 £9,000 to £22,500 | £24,500 £14,000 to £35,000 | £35,000 £20,000 to £50,000 |
| Gable fronted | £15,800 £9,000 to £22,500 | £24,500 £14,000 to £35,000 | £35,000 £20,000 to £50,000 |
| P-shape | £15,800 £9,000 to £22,500 | £24,500 £14,000 to £35,000 | £35,000 £20,000 to £50,000 |
| T-shape | £15,800 £9,000 to £22,500 | £24,500 £14,000 to £35,000 | £35,000 £20,000 to £50,000 |
What a orangery conversion quote should include
- Stripping and disposing of the old glass or polycarbonate roof
- A structural ring beam or wall plate and any support posts the system needs
- The insulated roof system, breathable membrane, battens and lightweight tiles or slates
- An insulated, plastered ceiling inside, ready for decorating
- New fascias, soffits and guttering
- Building control application and completion certificate
- An insurance backed guarantee
Extras you may be quoted for
| Extra | Typical price | Notes |
|---|---|---|
| Plastered ceiling under a solid roof | £280 to £2,000 | Usually included in branded tiled roof prices. Check it is on the quote. |
| LED spotlights in the ceiling | £300 to £600 | A set of downlights for a conservatory ceiling. Sometimes included. |
| Roof window or glazed panel | £450 to £2,000 | Adds daylight to a solid roof. Opening windows also help in summer. |
| Roof lantern | £800 to £3,000 | The glazed centrepiece of an orangery style roof. |
| Internal insulated pelmet | £900 to £900 | A plastered perimeter band that hides the frame head and adds insulation. |
| New fascias and guttering | £150 to £775 | Most solid roof systems come with their own gutter and fascia. |
| Building control fee | £200 to £1,050 | Set by your council or an approved inspector. Usually built into solid roof quotes. |
| Structural calculations | £200 to £500 | Confirms the frames and base can take the new roof. Some systems include this. |
| Removal and disposal of the old roof | £120 to £800 | Usually included. Skip hire alone is about 120 to 300 pounds. |
| Scaffolding or access | £340 to £900 | Needed on taller or awkward roofs, especially over patios and steps. |
| Frame reinforcement | £800 to £4,000 | Only if the survey finds the frames need strengthening for a solid roof. |
| New frames and dwarf walls | £2,000 to £4,000 | If the old frames or walls are failing. Big jobs can cost more. |
| New base or foundations | £2,500 to £3,800 | Movement in the base must be fixed before a heavier roof goes on. |
Orangery conversion cost by region
Medium conservatory, adjusted for regional labour costs.
| Region | Typical | Range |
|---|---|---|
| London | £31,100 | £17,800 to £44,450 |
| South East | £27,700 | £15,800 to £39,550 |
| South West | £25,500 | £14,550 to £36,400 |
| East of England | £26,200 | £15,000 to £37,450 |
| East Midlands | £24,500 | £14,000 to £35,000 |
| West Midlands | £24,500 | £14,000 to £35,000 |
| Yorkshire and the Humber | £22,800 | £13,000 to £32,550 |
| North West | £23,050 | £13,150 to £32,900 |
| North East | £22,800 | £13,000 to £32,550 |
| Wales | £22,800 | £13,000 to £32,550 |
| Scotland | £23,500 | £13,450 to £33,600 |
| Northern Ireland | £21,550 | £12,300 to £30,800 |
Orangery conversion systems and their prices
Named products sold through UK installers. Specs are from each maker's published data.
Ultrasky Roof (Ultrasky Orangery)
Marketed as a replacement roof for existing conservatories
- Made byUltraframe (UK) Ltd
- Guarantee10 years
Insulated Pelmet (formerly LivinRoom)
Cost-effective orangery illusion
- Made byUltraframe (UK) Ltd
- Guarantee10 years
Loggia (super-insulated columns)
Solid-looking corners without brick piers
- Made byUltraframe (UK) Ltd
- U-value0.15 W/m²K (maker's figure)
- Guarantee10 years
Guardian Home Extension
Replaces a conservatory with an insulated extension
- Made byGuardian Building Systems Ltd
- U-value0.18 W/m²K (maker's figure)
- Guarantee10 years
- CertificationBuilding Regulations compliant (Guardian)
LEKA Orangery Roof
Converts an existing conservatory to an orangery-style flat perimeter roof with lantern
- Made byLEKA Systems Ltd
- U-value0.1 W/m²K (maker's figure)
- Guarantee40 years
- CertificationMFA Building Control approval
ILite Flat Roof Orangery System
Flat roof plus lantern conversion of an existing conservatory
- Made bySupaLite Tiled Roof Systems Ltd
- U-value0.1 W/m²K (maker's figure)
- Guarantee10 years
- Certification'Building Regulation approved'
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
New polycarbonate roof
£2,700 to £5,200
The lowest cost fix for a leaking roof
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 cost questions
How much does a orangery conversion cost for a conservatory?
A typical orangery conversion for a medium conservatory (about 4m x 3.5m) costs £14,000 to £35,000 fitted. A small conservatory starts around £9,000 and a large one can reach £50,000. A medium lean-to is usually £14,000 to £35,000, and a medium Victorian £14,000 to £35,000.
How long does it take to fit a orangery conversion?
Most installs take 7 to 15 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 orangery conversion?
Building regulations approval needed. Swapping a glazed roof for a solid one takes the conservatory out of the building regulations exemption, so the installer should apply to building control and give you a completion certificate at the end. Building regulations guide.
How long does a orangery conversion last?
Expect 25 years plus, 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 orangery conversion quotes for your home
See a price range for your exact conservatory, then compare up to four written quotes from local installers.