How much does a conservatory roof replacement cost in the UK?
A conservatory roof replacement costs £2,500 to £12,000 in the UK, typically around £6,500 supplied and fitted. Prices reviewed June 2026.
Price is driven mostly by the roof type you switch to and the size of the conservatory. A like-for-like glass or polycarbonate swap is the cheapest, while a solid insulated tiled roof costs the most and usually needs building regulations sign-off.
Price your conservatory roof replacement
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Conservatory roof replacement cost breakdown
What a conservatory roof replacement typically costs, by option:
| Type of roof | Typical UK cost |
|---|---|
| Polycarbonate swap | £2,000 to £4,000 |
| Glass roof | £2,500 to £5,500 |
| Solid insulated tiled roof | £6,000 to £12,000 |
| + Building regs and structural work | add £500 to £1,500 |
What's included in the price?
A typical conservatory roof replacement price includes:
- Removing and disposing of the old roof
- The new roof system and any internal plastering
- Fitting, sealing and making good
- Scaffold or access where the conservatory is high
What changes the price?
The things that move a conservatory roof replacement price most:
Glass or polycarbonate swap versus a solid tiled roof
Size of the conservatory in square metres
Whether the frame needs strengthening for the extra weight
Building regulations approval on a solid roof
Does where you live change the cost?
London and the South East add around 15 to 25 percent on labour.
Common questions
A solid insulated tiled roof on a standard 3m by 3m conservatory typically costs £6,000 to £8,500 supplied and fitted, rising to £11,000 or more on a larger 4m by 4m.
Usually yes for a solid tiled roof, as it makes the room permanent. Approval commonly adds £400 to £800. A like-for-like glass or polycarbonate swap normally does not need it.
These are independent guide prices based on typical UK jobs in 2026. Your actual cost depends on your property, spec, access and where you live. Always get at least three written quotes before committing.