- Postcode district
- SL6
- 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
- Marlow, Slough, Beaconsfield
- Building rules
- England
Is a replacement sliding door a good fit for your home in Maidenhead?
The right door depends on the opening, the room and the way you use the garden. Here is how replacement sliding doors tend to work out in practice:
Selling a house in Maidenhead in the next few years? Keep the competent person scheme certificate or Building Control notice for the new door with your property paperwork.
Before booking a survey for a Maidenhead flat, check your lease or title deeds and speak to the managing agent, factor or other owners, because doors in flats may need consent that houses do not.
- 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.
- Most two-panel replacements are completed in a single day, so the house is secure again by the evening without the room being out of use for long.
- Because the opening stays the same size, a straight replacement avoids structural work, steel beams and a Building Regulations structural application.
Light and sun in Maidenhead
Because Maidenhead sees long summer days (about 16 h 39 min) and short winter ones (about 7 h 49 min), the elevation your door faces makes a real difference. With the midday sun at about 15° in winter, a south-facing door brings light well into the room; a west-facing door catches hot late-afternoon sun in summer.
Guide prices for replacement sliding doors in Maidenhead
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 Maidenhead home has been measured.
| Overall width | Typical panels | Guide price (fitted, inc VAT) |
|---|---|---|
| 1.5 m | 2 panels | £3,295–£4,095 |
| 1.8 m | 2 panels | £3,695–£4,495 |
| 2.1 m | 2 panels | £3,995–£4,895 |
See every size on the replacement sliding doors page or try the guide price tool.
How fitting works in Maidenhead
Here is the usual sequence in Maidenhead: guide price, free survey, written quote, then manufacture (typically 4–6 weeks for aluminium and 2–4 weeks for uPVC after survey sign-off). Fitting typically takes 1 day for a straight two-panel swap; 1–2 days for larger doors. Nearby, we also survey in Marlow, Slough and Beaconsfield.
Do you need approval in Maidenhead?
In England, a replacement sliding door is a controlled fitting under the Building Regulations. In an existing home, a door with more than 60% glazing must reach a U-value of 1.4 W/m²K or better (or a Doorset Energy Rating of band C) under Approved Document L, and glass in doors must be safety glazing under Approved Document K. We arrange compliance through a competent person scheme installer or by notifying Building Control, and you receive the certificate.
Options to consider for your replacement sliding door
- Lower threshold. A reduced-height sill where floor and outside levels allow, with suitable drainage.
- uPVC replacement. A cost-conscious choice for a straightforward swap, available in white and foiled colours.
- Aluminium replacement. A thermally broken aluminium slider with slim frames and a durable powder-coat finish.
Questions about replacement sliding doors in Maidenhead
How soon can you survey in Maidenhead?
Surveys in the SL6 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 4–6 weeks for aluminium and 2–4 weeks for uPVC after survey sign-off.
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.
How long does it take to replace a sliding patio door?
Replacing a two-panel sliding patio door typically takes one day, from removing the old door to sealing and trimming the new one. Larger doors, three- or four-panel sets and doors needing extra making good typically take one to two days. Manufacture comes first, typically 4–6 weeks for aluminium or 2–4 weeks for uPVC after you sign off the surveyed specification.
Is the survey free for a replacement door?
Yes, the survey for a replacement sliding door is free. We measure the opening, check its condition and the support above it, look at floor and outside levels, and talk through frame, glass and colour options. You then receive a written quote with the fixed price, and nothing is ordered until you confirm the surveyed specification in writing.

