- Postcode district
- BN25
- Survey
- Free for new and replacement doors
- Typical lead time
- Typically 8–10 weeks from survey sign-off
- Guide price
- From £5,095 inc VAT
- Nearby
- Newhaven, Peacehaven, Eastbourne
- Building rules
- England
Is a timber and alu-clad sliding door a good fit for your home in Seaford?
A few practical points decide whether timber and alu-clad sliding doors suit a particular room and opening:
Whether you live in Seaford or elsewhere in East Sussex, an exposed coastal or hilltop elevation makes a strong case for alu-clad rather than all-timber outside.
Where the back of a Seaford home faces south and takes full sun, choosing alu-clad keeps the timber protected and cuts out the re-coating that strong sunlight makes necessary.
- A timber sliding door sits comfortably beside brick, stone, render or weatherboarding, which helps where a modern metal frame would look out of character.
- The inside face can be finished to match existing oak floors, stair parts or window boards, so the new door feels part of the room rather than an addition.
- Engineered timber is laminated from several layers with the grain opposed, so frames resist the twisting and warping that solid timber can suffer as the seasons change.
Light and sun in Seaford
Daylight in Seaford runs from about 7 h 57 min in December to 16 h 30 min in June, with the noon sun at roughly 16° and 63° respectively. Use that to choose your glass: standard low-E double glazing for north and east elevations, and consider solar-control or triple glazing for sunny south and west walls.
What should you budget for timber and alu-clad sliding doors in Seaford?
The table shows guide prices for common sizes, supplied and fitted, including VAT. Your exact price is fixed in a written quote once the opening in your Seaford home has been measured.
| Overall width | Typical panels | Guide price (fitted, inc VAT) |
|---|---|---|
| 3.0 m | 2 panels | £7,495–£9,095 |
| 3.6 m | 3 panels | £8,395–£10,295 |
| 4.0 m | 3 panels | £9,095–£11,095 |
See every size on the timber and alu-clad sliding doors page or try the guide price tool.
Survey, manufacture and fitting around Seaford
We plan the job around your home in Seaford: survey first, then a written quote, then manufacture (typically 8–10 weeks from survey sign-off). The fitting itself usually takes 1 day for a two-panel swap; 1–2 days for larger doors. If you are in Newhaven or Peacehaven, the same process and prices apply.
Do you need approval in Seaford?
In England, a replacement sliding door is a controlled fitting under the Building Regulations. In an existing home, a door with more than 60% glazing must reach a U-value of 1.4 W/m²K or better (or a Doorset Energy Rating of band C) under Approved Document L, and glass in doors must be safety glazing under Approved Document K. We arrange compliance through a competent person scheme installer or by notifying Building Control, and you receive the certificate.
Options to consider for your timber and alu-clad sliding door
- Handles. Traditional or contemporary handles in bronze, black, satin chrome or brass-effect finishes.
- Timber species. Oak or another hardwood for a visible grain, or engineered softwood where a painted finish is planned.
- Glass. Double or triple glazed safety glass, with slim glazing bars available for a period look.
Questions about timber and alu-clad sliding doors in Seaford
Is the price different in Seaford?
No. Guide prices for timber and alu-clad sliding doors are the same across mainland Britain, including Seaford. The fitted price depends on size, system, glass and finish, and any structural work, all fixed in your written quote after survey.
How much do timber sliding doors cost?
Timber and alu-clad sliding doors start from a guide price of £5,095 for a 1.5 m two-panel door, fitted, inc VAT, at standard 2.1 m height. A 2.4 m door is a guide £6,495–£7,995, and a 4.8 m four-panel door is around £10,395. Species, cladding, finish and glass all affect the figure, and the final price is fixed in a written quote after survey.
Are timber sliding doors energy efficient?
Timber sliding doors are energy efficient because wood insulates naturally, and engineered timber systems typically achieve whole-door U-values comparable with good thermally broken aluminium, depending on the glass. In England, a new or replacement door in an existing home with more than 60% glazing must reach 1.4 W/m²K or better, and the glazing is specified to meet that. Wales, Scotland and Northern Ireland set their own energy rules.
Can I fit timber sliding doors to a listed building or in a conservation area?
Timber sliding doors can suit listed buildings and conservation areas, but listed buildings and properties under an Article 4 direction may need consent before any door is changed, so check with your local planning authority first. In England, replacing doors on an ordinary house with similar-looking ones is usually permitted development. Wales, Scotland and Northern Ireland have their own planning rules.

