- Postcode district
- KT3
- 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
- Kingston upon Thames, Surbiton, Wimbledon
- Building rules
- England
Are uPVC sliding patio doors right for your New Malden home?
These are the points a surveyor will go through with you when you choose uPVC sliding patio doors for a home in New Malden:
For a rental or family home in New Malden, frames that never need painting keep upkeep down to an occasional wipe, which is one reason uPVC sliding patio doors suit tighter budgets.
The rules for a replacement door in New Malden are checked at survey, and your written quote says which approval route applies to your home.
- As the least expensive sliding door material, uPVC lets you replace a draughty older patio door with modern double glazing on a modest budget.
- Steel reinforcement inside the main profiles keeps the frame rigid, holds the locking hardware firmly and stops the sliding panel flexing over the years.
- 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 New Malden
Because New Malden sees long summer days (about 16 h 37 min) and short winter ones (about 7 h 51 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.
What should you budget for uPVC sliding patio doors in New Malden?
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 New Malden home has been measured.
| Overall width | Typical panels | Guide price (fitted, inc VAT) |
|---|---|---|
| 1.5 m | 2 panels | £1,695–£2,095 |
| 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 New Malden
A surveyor visits your New Malden 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 2–4 weeks from survey sign-off — and fitting usually takes 1 day for a straight swap in an existing opening. We also cover Kingston upon Thames (3 km west) and Surbiton (4 km west).
Do you need approval in New Malden?
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.
Specification choices for uPVC sliding patio doors in New Malden
- Panel layout. Choose which side slides, or a three-panel layout for openings beyond about 3 m.
- Threshold. A standard threshold for a straight swap, or a lower threshold where the floor build-up allows.
- Glass. Toughened double glazing as standard, with laminated, obscure or solar-control units available.
Questions about uPVC sliding patio doors in New Malden
How soon can you survey in New Malden?
Surveys in the KT3 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 from survey sign-off.
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 do I maintain a uPVC sliding door?
A uPVC sliding door needs only light maintenance: wipe the frames with warm soapy water, avoid abrasive cleaners that dull the surface, and vacuum the track so grit does not wear the rollers. Lubricate the lock keeps and handle mechanism once a year. If the panel drags, the rollers can usually be adjusted rather than replaced. Check the drainage slots in the outer frame after autumn leaf fall, as blocked slots let water sit in the track.
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.