- Postcode district
- SE23
- Survey
- Free for new and replacement doors
- Typical lead time
- Typically 2–4 weeks for uPVC or 4–6 weeks for aluminium, from survey sign-off
- Guide price
- From £1,995 inc VAT
- Nearby
- Sydenham, Catford, Dulwich
- Building rules
- England
Tilt and slide patio doors in Forest Hill: what to know
Most homeowners choosing tilt and slide doors want the same things: more light, a clear view and a door that is easy to live with.
Young children at home in Forest Hill? A sliding restrictor, available on many systems, limits how far the sash opens while still letting air in.
For a flat in Forest Hill, check your lease or title deeds and speak to the managing agent, factor or other owners before replacing a balcony door, since flats can need consent that houses do not.
- Made in both uPVC and aluminium, in white, foiled or powder-coated colours, a tilt and slide door can match the windows around it.
- A tilt and slide door fits the same kind of opening as an ordinary patio door, so a draughty older slider can often be swapped without building work.
- Locking points engage around the whole perimeter of the sash, much like a window, rather than only along the closing edge.
Daylight in Forest Hill and what it means for your glass
At the latitude of Forest Hill, the midday sun climbs to about 62° in late June but only about 15° in late December, when daylight lasts around 7 h 50 min against 16 h 38 min in midsummer. A south-facing tilt and slide door lets that low winter sun deep into the room; on a west or south elevation, solar-control glass keeps summer afternoons comfortable.
Tilt and slide patio doors prices in Forest Hill
Guide prices are the same across Greater London: 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 | £1,995–£2,495 |
| 1.8 m | 2 panels | £2,195–£2,695 |
| 2.1 m | 2 panels | £2,395–£2,895 |
See every size on the tilt and slide doors page or try the guide price tool.
How fitting works in Forest Hill
Once the opening is measured, nothing is ordered until you sign off the specification. Lead time is typically 2–4 weeks for uPVC or 4–6 weeks for aluminium, 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 straight swap in an existing opening for a door like this.
Rules for tilt and slide 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
- Restrictor. A sliding restrictor on many systems to limit the opening for upstairs rooms or homes with young children.
- Sash side. A left or right opening sash, chosen to suit furniture, the patio layout and the way you walk out.
- Glass. Toughened or laminated double glazing, or triple glazing for extra warmth and sound reduction.
Questions about tilt and slide doors in Forest Hill
Is the price different in Forest Hill?
No. Guide prices for tilt and slide doors are the same across mainland Britain, including Forest Hill. The fitted price depends on size, system, glass and finish, and any structural work, all fixed in your written quote after survey.
How long does a tilt and slide door take?
A tilt and slide door typically takes 2–4 weeks to make in uPVC and 4–6 weeks in aluminium, from survey sign-off. Fitting typically takes 1 day for a straight swap in an existing opening, including removing the old door and making good. These are typical times rather than fixed promises, and the date is confirmed once the order is placed.
Do I need Building Regulations approval for a tilt and slide door?
A tilt and slide door replacing an existing door in England is a controlled fitting, so it must be fitted by an installer registered with a competent person scheme or notified to Building Control, and the glass must be safety glazing to BS EN 12600. Planning permission is not usually needed on a house when the door looks similar. Flats and listed buildings may need consent, and Wales, Scotland and Northern Ireland have their own rules.
How much does a tilt and slide patio door cost?
Tilt and slide patio doors start from a guide price of £1,995 for a 1.5 m two-panel door, fitted, inc VAT, at standard 2.1 m height. A 2.1 m door is a guide £2,395–£2,895, and a 3 m door is around £2,995. Aluminium frames, colour and triple glazing move the figure up, and the final price is fixed in a written quote after survey.