- Postcode district
- HA1
- 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
- Pinner, Wembley, Ruislip
- Building rules
- England
Why choose tilt and slide doors in Harrow?
The right door depends on the opening, the room and the way you use the garden. Here is how tilt and slide doors tend to work out in practice:
Young children at home in Harrow? A sliding restrictor, available on many systems, limits how far the sash opens while still letting air in.
If a bedroom in your Harrow home opens onto a balcony or garden, the tilt position on tilt and slide doors lets in fresh air at night without leaving the door open.
- 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.
- When closed, the sash is drawn back into the frame and presses onto gaskets on all four edges, giving a window-like seal against draughts and driving rain.
How much sun will a door in Harrow get?
Daylight in Harrow runs from about 7 h 49 min in December to 16 h 39 min in June, with the noon sun at roughly 15° and 62° 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.
How much do tilt and slide doors cost in Harrow?
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) |
|---|---|---|
| 1.5 m | 2 panels | £1,995–£2,495 |
| 1.8 m | 2 panels | £2,195–£2,695 |
| 2.4 m | 2 panels | £2,595–£3,195 |
See every size on the tilt and slide doors page or try the guide price tool.
What happens when you order tilt and slide doors in Harrow?
We plan the job around your home in Harrow: survey first, then a written quote, then manufacture (typically 2–4 weeks for uPVC or 4–6 weeks for aluminium, from survey sign-off). The fitting itself usually takes 1 day for a straight swap in an existing opening. If you are in Pinner or Wembley, the same process and prices apply.
Do you need approval in Harrow?
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.
- Handle. An inside lever handle with a key lock, plus an outside pull handle or cylinder if the door is used from the garden.
- Glass. Toughened or laminated double glazing, or triple glazing for extra warmth and sound reduction.
Questions about tilt and slide doors in Harrow
How soon can you survey in Harrow?
Surveys in the HA1 district are booked at a time that suits you, and we offer survey dates when we reply to your enquiry. After you approve the written quote, manufacture is typically 2–4 weeks for uPVC or 4–6 weeks for aluminium, from survey sign-off.
Are tilt and slide doors draught-proof?
Tilt and slide doors are among the most draught-resistant sliding designs because the closed sash compresses gaskets on all four edges. Thermal performance depends on frame material and glass. In England, a replacement door in an existing home with more than 60% glazing must reach a U-value of 1.4 W/m²K or better, so the glass is specified to meet it. Wales, Scotland and Northern Ireland have their own requirements.
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.
What is a tilt and slide door?
A tilt and slide door is a patio door whose opening sash can either tilt inward at the top for ventilation, or move forward and slide parallel across the fixed panel. The handle selects the mode. When closed, the sash is pulled back into the frame and sealed on all four sides, so it behaves more like a large window than a conventional slider.