- Postcode district
- NW7
- 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
- Edgware, Finchley, Hendon
- Building rules
- England
Why choose timber and alu-clad sliding doors in Mill Hill?
Before you settle on a door type, it helps to know what timber and alu-clad sliding doors do well and what to check before you order.
Whether you live in Mill Hill or elsewhere in Greater London, an exposed coastal or hilltop elevation makes a strong case for alu-clad rather than all-timber outside.
For a listed building or a house in a conservation area in Mill Hill, check with the local planning authority before choosing any new door; timber frames are often closer in character to the original joinery.
- 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.
- 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.
Light and sun in Mill Hill
Sun angles matter for big glazed doors. Around Mill Hill, midday sun reaches about 62° in summer and drops to about 15° in winter. That low winter sun is free heat through south-facing glass; high summer sun is easier to shade with a roof overhang, and solar-control glass helps where there is none.
How much do timber and alu-clad sliding doors cost in Mill Hill?
These are guide prices for fitted doors at a standard height, including VAT. They run from an entry-level system to a premium one at the same size; the survey confirms which suits your opening.
| Overall width | Typical panels | Guide price (fitted, inc VAT) |
|---|---|---|
| 2.4 m | 2 panels | £6,495–£7,995 |
| 3.0 m | 2 panels | £7,495–£9,095 |
| 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.
What happens when you order timber and alu-clad sliding doors in Mill Hill?
Once the opening is measured, nothing is ordered until you sign off the specification. Lead time is typically 8–10 weeks from survey sign-off. Our fitters protect floors, remove the old door, install and seal the new one and leave the area clean — usually 1 day for a two-panel swap; 1–2 days for larger doors for a door like this.
Rules for timber and alu-clad sliding doors 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.
Choosing the specification
- Interior finish. Clear lacquer, a wood stain or a painted colour, chosen to match floors, beams or kitchen units.
- Timber species. Oak or another hardwood for a visible grain, or engineered softwood where a painted finish is planned.
- Handles. Traditional or contemporary handles in bronze, black, satin chrome or brass-effect finishes.
Questions about timber and alu-clad sliding doors in Mill Hill
Do you fit timber and alu-clad sliding doors in Mill Hill?
Yes. We survey and fit timber and alu-clad sliding doors in Mill Hill and across Greater London, including nearby Edgware and Finchley. Start with a guide price online or call us, and we will arrange a free survey for a new or replacement door.
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.
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 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.