- Postcode district
- NG31
- Survey
- Free for new and replacement doors
- Typical lead time
- Typically 2–4 weeks from survey sign-off
- Guide price
- From £1,695 inc VAT
- Nearby
- Sleaford, Newark-on-Trent, Bingham
- Building rules
- England
What uPVC sliding patio doors offer homes in Grantham
These are the points a surveyor will go through with you when you choose uPVC sliding patio doors for a home in Grantham:
If the windows on your Grantham home are white or woodgrain uPVC, uPVC sliding patio doors in a matching finish keep the rear of the house looking uniform.
Replacing a tired patio door in Grantham? A uPVC slider usually fits the existing opening, so the job is a straight swap rather than building work.
- uPVC frames never need painting or staining; an occasional wipe with warm soapy water keeps white or foiled finishes looking clean.
- As the least expensive sliding door material, uPVC lets you replace a draughty older patio door with modern double glazing on a modest budget.
- Compressible gaskets and brush pile seals along the interlock reduce the draughts and rattles that an older patio door with worn seals often suffers from.
Light and sun in Grantham
In Grantham the shortest day has roughly 7 h 35 min of daylight and the longest about 16 h 55 min. The noon sun sits near 14° above the horizon in winter and 61° in summer — so glass that faces south collects useful warmth from October to March, while a west-facing door may need solar control to stop it overheating in July.
uPVC sliding patio doors prices in Grantham
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 Grantham home has been measured.
| Overall width | Typical panels | Guide price (fitted, inc VAT) |
|---|---|---|
| 1.8 m | 2 panels | £1,895–£2,295 |
| 2.1 m | 2 panels | £1,995–£2,495 |
| 3.0 m | 2 panels | £2,495–£3,095 |
See every size on the uPVC sliding patio doors page or try the guide price tool.
Survey, manufacture and fitting around Grantham
Here is the usual sequence in Grantham: guide price, free survey, written quote, then manufacture (typically 2–4 weeks from survey sign-off). Fitting typically takes 1 day for a straight swap in an existing opening. Nearby, we also survey in Sleaford, Newark-on-Trent and Bingham.
Rules for uPVC sliding patio 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.
Which options matter for uPVC sliding patio doors?
- Glass. Toughened double glazing as standard, with laminated, obscure or solar-control units available.
- Threshold. A standard threshold for a straight swap, or a lower threshold where the floor build-up allows.
- Panel layout. Choose which side slides, or a three-panel layout for openings beyond about 3 m.
Questions about uPVC sliding patio doors in Grantham
Is the price different in Grantham?
No. Guide prices for uPVC sliding patio doors are the same across mainland Britain, including Grantham. The fitted price depends on size, system, glass and finish, and any structural work, all fixed in your written quote after survey.
Are uPVC sliding doors energy efficient?
uPVC sliding doors are energy efficient because the plastic frame conducts little heat, with whole-door U-values typically around 1.3–1.6 W/m²K double glazed, depending on profile and glass. In England, a replacement door in an existing home with more than 60% glazing must achieve 1.4 W/m²K or better, so the sealed unit is specified to meet it. Wales, Scotland and Northern Ireland set their own energy requirements.
How quickly can a uPVC patio door be fitted?
A uPVC sliding patio door is typically made in 2–4 weeks after you sign off the surveyed specification, the shortest lead time of the sliding door materials. A straight swap in the same opening typically takes 1 day, including removing the old door, fitting, sealing and making good inside. Times are typical rather than promised, and foiled colours can add a little time.
Should I choose uPVC or aluminium for a sliding door?
Choose uPVC if budget and a quick, simple replacement matter most, and aluminium if you want slimmer frames, bigger panels or a powder-coated colour. uPVC insulates well and costs less, but its frames are wider and its panels smaller. Aluminium suits openings over about 3.6 m and modern extensions. Our aluminium vs uPVC guide sets out the differences.