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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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P-shape conservatory glass roof cost
A glass roof on a medium P-shape conservatory typically costs £5,100 to £8,200, fitted.
A P-shape joins a lean-to to a Victorian bay, giving a long room with a rounded end. The roof has both a single slope and a faceted section, joined by valleys, which makes it one of the more complex roofs to replace.
Glass roofs on a P-shape conservatory
Glass on a P-shape mixes rectangular and tapered units. The bay end tends to be the hottest part of the room.
- The valley where the two sections meet is a common leak point on old roofs and needs careful detailing on the new one.
- Two zones in one room, often a dining area and a lounge, so lighting and heating are planned for both.
- More roof area and more junctions mean higher prices than a single shape of the same floor area.
Price by size
| Size | Low | Typical | High |
|---|---|---|---|
| Small up to about 3m x 3m | £3,900 | £5,100 | £6,300 |
| Medium about 4m x 3.5m | £5,100 | £6,700 | £8,200 |
| Large about 5m x 4m or more | £6,500 | £8,400 | £10,300 |
Other roofs for a P-shape conservatory
| Roof | Medium P-shape | Best for |
|---|---|---|
| Tiled roof | £10,900 to £15,400 | Using the room every month of the year |
| New polycarbonate roof | £3,900 to £6,100 | The lowest cost fix for a leaking roof |
| 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
| 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. |
| 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. |
| New frames and dwarf walls | £2,000 to £4,000 | If the old frames or walls are failing. Big jobs can cost more. |
By region
Questions
How much is a glass roof on a P-shape conservatory?
A glass roof on a medium P-shape conservatory typically costs £5,100 to £8,200 fitted, with most quotes near £6,700. Small P-shape conservatories start around £3,900, and large ones reach about £10,300.
Why does a P-shape roof cost more than other shapes?
The valley where the two sections meet is a common leak point on old roofs and needs careful detailing on the new one.
What should I check before choosing a glass roof for my P-shape conservatory?
Glass on a P-shape mixes rectangular and tapered units. The bay end tends to be the hottest part of the room.
How long will it take?
Expect 2 to 4 days on a medium P-shape conservatory, and a day or two more on this shape if it is large or needs frame work.
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