- Postcode district
- LU6
- 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
- Luton, Leighton Buzzard, Flitwick
- Building rules
- England
Is a timber and alu-clad sliding door a good fit for your home in Dunstable?
Most homeowners choosing timber and alu-clad sliding doors want the same things: more light, a clear view and a door that is easy to live with.
For a listed building or a house in a conservation area in Dunstable, check with the local planning authority before choosing any new door; timber frames are often closer in character to the original joinery.
Whether you live in Dunstable or elsewhere in Bedfordshire, an exposed coastal or hilltop elevation makes a strong case for alu-clad rather than all-timber outside.
- A timber sliding door sits comfortably beside brick, stone, render or weatherboarding, which helps where a modern metal frame would look out of character.
- Stains, paints and lacquers are sprayed in the factory under controlled conditions, giving a more even and longer-lasting coat than a finish brushed on site.
- Scratches and dents on internal timber faces can usually be sanded and refinished locally, rather than needing a whole panel replaced.
How much sun will a door in Dunstable get?
At the latitude of Dunstable, the midday sun climbs to about 62° in late June but only about 15° in late December, when daylight lasts around 7 h 46 min against 16 h 43 min in midsummer. A south-facing timber and alu-clad sliding door lets that low winter sun deep into the room; on a west or south elevation, solar-control glass keeps summer afternoons comfortable.
Timber and alu-clad sliding doors prices in Dunstable
Guide prices are the same across Bedfordshire: the fitted price depends on the size, system and specification, not your postcode. These figures are for a standard 2.1 m high door, fitted, including VAT and removal of an old door of similar size.
| Overall width | Typical panels | Guide price (fitted, inc VAT) |
|---|---|---|
| 1.5 m | 2 panels | £5,095–£6,195 |
| 2.1 m | 2 panels | £5,995–£7,395 |
| 3.0 m | 2 panels | £7,495–£9,095 |
See every size on the timber and alu-clad sliding doors page or try the guide price tool.
What happens when you order timber and alu-clad sliding doors in Dunstable?
A surveyor visits your Dunstable home to measure the structural opening, check levels and the lintel, and talk through glass and finish. Once you confirm the written specification, the door is made to measure — typically 8–10 weeks from survey sign-off — and fitting usually takes 1 day for a two-panel swap; 1–2 days for larger doors. We also cover Luton (7 km east) and Leighton Buzzard (10 km west).
Do you need approval in Dunstable?
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
- Glass. Double or triple glazed safety glass, with slim glazing bars available for a period look.
- Timber species. Oak or another hardwood for a visible grain, or engineered softwood where a painted finish is planned.
- Alu-cladding. A powder-coated aluminium outer shell in a standard or RAL colour, with timber left on show inside.
Questions about timber and alu-clad sliding doors in Dunstable
Do you fit timber and alu-clad sliding doors in Dunstable?
Yes. We survey and fit timber and alu-clad sliding doors in Dunstable and across Bedfordshire, including nearby Luton and Leighton Buzzard. Start with a guide price online or call us, and we will arrange a free survey for a new or replacement door.
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.
Are timber sliding doors secure?
Timber sliding doors are secure when built with multi-point locking, laminated glass and robust sections, because engineered timber gives the locking keeps a solid, dense fixing. Timber systems are available tested to PAS 24, the UK enhanced security test standard for doorsets. Internally beaded glass and a key-locking handle add further resistance to forced entry.
How often do timber sliding doors need treating?
Timber sliding doors need the outside re-coated every few years, depending on how exposed the elevation is and which finish system is used; doors facing full sun or coastal weather need attention soonest. Alu-clad doors avoid this, needing only an occasional wash outside. Inside, timber only needs wiping and an occasional refresh of the lacquer or oil, and a clean track protects the rollers.