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Why replace your roof
- Warmer in winter
- Cooler in summer
- Quiet when it rains
- A room you use all year
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T-shape conservatory new polycarbonate roof cost
A new polycarbonate roof on a medium T-shape conservatory typically costs £3,900 to £6,100, fitted.
A T-shape has a wide lean-to or Edwardian section along the house with a projection sticking out from the middle, often with its own Victorian or gable front. These are usually the largest conservatories and the most complex roofs.
New polycarbonate roofs on a T-shape conservatory
Polycarbonate keeps costs down on a big roof, but a large T-shape under polycarbonate is the classic too hot, too cold room.
- Two valleys, several hips and long gutter runs make labour the biggest part of the price.
- Large glazed floor areas get very hot under polycarbonate or glass, so these rooms benefit most from a solid roof.
- Bigger roofs are more likely to need structural calculations and extra posts.
Price by size
| Size | Low | Typical | High |
|---|---|---|---|
| Small up to about 3m x 3m | £2,800 | £3,800 | £4,700 |
| Medium about 4m x 3.5m | £3,900 | £5,000 | £6,100 |
| Large about 5m x 4m or more | £5,000 | £6,300 | £7,500 |
Other roofs for a T-shape conservatory
| Roof | Medium T-shape | Best for |
|---|---|---|
| Tiled roof | £10,900 to £15,400 | Using the room every month of the year |
| Glass roof | £5,100 to £8,200 | Keeping the light and the view of the sky |
| Hybrid roof | £9,600 to £14,800 | Warmth with pools of daylight |
| Insulated roof panels | £2,600 to £5,400 | A warmer room on a tighter budget |
| Orangery conversion | £14,000 to £35,000 | A full extension feel without building a new room |
Extras to budget for
| 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. |
By region
Questions
How much is a new polycarbonate roof on a T-shape conservatory?
A new polycarbonate roof on a medium T-shape conservatory typically costs £3,900 to £6,100 fitted, with most quotes near £5,000. Small T-shape conservatories start around £2,800, and large ones reach about £7,500.
Why does a T-shape roof cost more than other shapes?
Two valleys, several hips and long gutter runs make labour the biggest part of the price.
What should I check before choosing a new polycarbonate roof for my T-shape conservatory?
Polycarbonate keeps costs down on a big roof, but a large T-shape under polycarbonate is the classic too hot, too cold room.
How long will it take?
Expect 1 to 2 days on a medium T-shape conservatory, and a day or two more on this shape if it is large or needs frame work.

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