Timber and alu-clad sliding doors across Northumberland
A few practical points decide whether timber and alu-clad sliding doors suit a particular room and opening:
Where the back of a Northumberland 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.
Whether you live in Northumberland or elsewhere in Northumberland, an exposed coastal or hilltop elevation makes a strong case for alu-clad rather than all-timber outside.
- Many timber systems use lift and slide hardware, letting large, heavy panels glide easily and then settle onto compressed seals for a tight closure.
- Scratches and dents on internal timber faces can usually be sanded and refinished locally, rather than needing a whole panel replaced.
- An alu-clad exterior shields the wood from rain and sunlight, so the outside needs only washing while the inside keeps a natural timber finish.
Guide prices for timber and alu-clad sliding doors in Northumberland
Pricing is transparent and does not change because you are in Northumberland. The ranges below cover a standard-height door, fitted, with VAT; options are itemised in your quote.
| Overall width | Typical panels | Guide price (fitted, inc VAT) |
|---|---|---|
| 1.5 m | 2 panels | £5,095–£6,195 |
| 3.0 m | 2 panels | £7,495–£9,095 |
| 4.0 m | 3 panels | £9,095–£11,095 |
| 4.8 m | 4 panels | £10,395–£12,595 |
Every size is on the timber and alu-clad sliding doors page.
Daylight and glass in Northumberland
In Northumberland the shortest day has roughly 7 h 07 min of daylight and the longest about 17 h 25 min. The noon sun sits near 11° above the horizon in winter and 58° in summer — so glass that faces south collects useful warmth from October to March, while a west-facing door may need solar control to stop it overheating in July.
Towns we cover in Northumberland
We survey and fit timber and alu-clad sliding doors in 10 towns across Northumberland, including the NE20, NE22, NE23, NE24, NE42, NE46 postcode districts.
Approvals in England
English Building Regulations treat a new or replacement external door in an existing home as a controlled fitting: it needs a U-value of 1.4 W/m²K or better (or Doorset Energy Rating band C) if more than 60% of it is glazed (Approved Document L), and safety glass in a critical location (Approved Document K). Compliance is arranged through a competent person scheme installer or a Building Control notification, so you get a certificate for your records.
Questions about timber and alu-clad sliding doors in Northumberland
Is the price different in Northumberland?
No. Guide prices for timber and alu-clad sliding doors are the same across mainland Britain, including Northumberland. The fitted price depends on size, system, glass and finish, and any structural work, all fixed in your 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.
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 big can a timber sliding door be?
A timber sliding door in our range is typically about 1.5 m to 4.8 m wide overall, in two to four panels, at standard 2.1 m height or taller on request. Individual panel sizes depend on the system and glass weight; larger panels usually move to lift and slide hardware so they stay easy to open. Sizes are confirmed after survey.

