- Postcode district
- GU1
- 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
- Godalming, Woking, Cranleigh
- Building rules
- England
Is a replacement sliding door a good fit for your home in Guildford?
Before you settle on a door type, it helps to know what replacement sliding doors do well and what to check before you order.
Selling a house in Guildford in the next few years? Keep the competent person scheme certificate or Building Control notice for the new door with your property paperwork.
If your Guildford 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.
- Because the opening stays the same size, a straight replacement avoids structural work, steel beams and a Building Regulations structural application.
- Slimmer modern frames often give a larger area of glass within the same opening, letting more daylight into the room than the old door did.
- 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.
How much sun will a door in Guildford get?
Daylight in Guildford runs from about 7 h 52 min in December to 16 h 35 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.
Sliding door replacement prices in Guildford
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 Guildford home has been measured.
| Overall width | Typical panels | Guide price (fitted, inc VAT) |
|---|---|---|
| 1.8 m | 2 panels | £3,695–£4,495 |
| 2.4 m | 2 panels | £4,295–£5,295 |
| 3.6 m | 3 panels | £5,595–£6,895 |
See every size on the replacement sliding doors page or try the guide price tool.
Survey, manufacture and fitting around Guildford
We plan the job around your home in Guildford: survey first, then a written quote, then manufacture (typically 4–6 weeks for aluminium and 2–4 weeks for uPVC after survey sign-off). The fitting itself usually takes 1 day for a straight two-panel swap; 1–2 days for larger doors. If you are in Godalming or Woking, the same process and prices apply.
Do you need approval in Guildford?
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.
Finishes and extras for replacement sliding doors
- 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.
- Upgraded glass. Triple, laminated, solar-control or obscure glass to suit the elevation.
Questions about replacement sliding doors in Guildford
Is the price different in Guildford?
No. Guide prices for replacement sliding doors are the same across mainland Britain, including Guildford. 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 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.
Can I get a bigger door in the same opening?
You can usually get more glass in the same opening, because modern frames are slimmer, but the overall door size stays roughly the same as the old one. Making the door wider or taller means widening the opening, which is structural work with a steel beam, calculations and a Building Regulations application. Our new openings page covers that.

