- Postcode district
- B14
- Survey
- Free for new and replacement doors
- Typical lead time
- Typically 4–6 weeks for aluminium and 2–4 weeks for uPVC after survey sign-off
- Guide price
- From £3,295 inc VAT
- Nearby
- Moseley, Edgbaston, Hall Green
- Building rules
- England
Why choose replacement sliding doors in Kings Heath?
These are the points a surveyor will go through with you when you choose replacement sliding doors for a home in Kings Heath:
If your Kings Heath home still has its original sliding patio door, look at the glass beads: if they are on the outside, a replacement will close off that weakness.
Does the old door in your Kings Heath kitchen whistle in the wind or leave puddles on the sill? Worn seals and failed drainage are common reasons to replace rather than repair.
- Because the opening stays the same size, a straight replacement avoids structural work, steel beams and a Building Regulations structural application.
- Removal and disposal of your old patio door is included in our guide prices, so there is no separate skip or tip run to organise.
- A thermally broken frame with modern double glazing must achieve 1.4 W/m²K or better in England for a door in an existing home with more than 60% glazing, which is far better than most old sliders.
Planning glass for the light in Kings Heath
Sun angles matter for big glazed doors. Around Kings Heath, midday sun reaches about 61° in summer and drops to about 14° 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.
What should you budget for replacement sliding doors in Kings Heath?
The table shows guide prices for common sizes, supplied and fitted, including VAT. Your exact price is fixed in a written quote once the opening in your Kings Heath home has been measured.
| Overall width | Typical panels | Guide price (fitted, inc VAT) |
|---|---|---|
| 1.5 m | 2 panels | £3,295–£4,095 |
| 2.1 m | 2 panels | £3,995–£4,895 |
| 4.8 m | 4 panels | £6,995–£8,495 |
See every size on the replacement sliding doors page or try the guide price tool.
Survey, manufacture and fitting around Kings Heath
A surveyor visits your Kings Heath 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 4–6 weeks for aluminium and 2–4 weeks for uPVC after survey sign-off — and fitting usually takes 1 day for a straight two-panel swap; 1–2 days for larger doors. We also cover Moseley (2 km north) and Edgbaston (4 km north-west).
Rules for replacement 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.
Options to consider for your replacement sliding door
- Lower threshold. A reduced-height sill where floor and outside levels allow, with suitable drainage.
- New internal cill or board. A fresh window board or reveal lining to finish the inside neatly.
- uPVC replacement. A cost-conscious choice for a straightforward swap, available in white and foiled colours.
Questions about replacement sliding doors in Kings Heath
Can you match other doors and windows in my Kings Heath home?
Usually, yes. Most aluminium and uPVC systems come in standard RAL colours and finishes, and we can quote dual colour where the inside and outside need to differ. Bring photos of existing frames to the survey.
Do I need building regulations approval to replace a patio door?
In England a replacement door is a controlled fitting, so it must meet the Building Regulations for energy and safety glazing. You do not apply in advance; instead the work is self-certified by a competent person scheme installer or notified to Building Control, which we arrange. In Scotland like-for-like replacement in a house usually needs no building warrant but must still meet the building standards.
What happens to my old patio door?
We remove your old patio door and take it away for disposal as part of the job, and that is included in our guide prices, so there is nothing for you to arrange. If you would rather keep the old door, for example for a shed or greenhouse project, tell us before the fitting day and we will leave it safely on site.
Do I need planning permission to replace a sliding door?
Replacing doors on a house is usually permitted development, so no planning application is needed, as long as the new doors are similar in appearance to the existing ones. Flats, listed buildings and properties covered by an Article 4 direction may need consent. Our planning guide explains more.

