Call 0800 088 6248

Dartford · Kent

uPVC Windows in Dartford

Looking for uPVC windows in Dartford? We can quote for white, coloured and woodgrain frames, with casement, tilt and turn or sliding sash openings to suit your home.

  • DA1
  • Guide from £565

Get your free quote

Start with your postcode. A glazier will be in touch to arrange a free survey.

By sending this form you agree we can contact you about this enquiry. See our privacy policy for how we use your details.

No obligation. Prefer to talk? Call 0800 088 6248 or WhatsApp us.

uPVC double glazed windows in Dartford: what to know

Some upstairs windows are escape routes in a fire. In England, the Approved Document B guidance for an escape window is a clear openable area of at least 0.33 m², at least 450mm high and 450mm wide, with the bottom of the opening no more than 1100mm above the floor.

In England, replacement windows on a house that look similar to the originals usually do not need planning permission. Flats and maisonettes do not have permitted development rights for replacing windows, and listed buildings, conservation areas and homes under an Article 4 direction may need consent, so check before ordering.

Low-level glass needs safety glazing. In England, Approved Document K treats any glazed panel within 800mm of the floor as a critical location, so a full-height pane, a low picture window or glass beside a door usually needs toughened or laminated glass, permanently marked to show its classification.

The price of uPVC windows depends mainly on size, the number of opening sashes, frame colour, glass specification and hardware. Bay windows, openings that need a tower or scaffold, and difficult removal of old frames add labour. See the guide prices for typical ranges; your written quote fixes the exact figure.

What a typical job includes

  • Fitting, packing and fixing into the existing opening
  • Survey and measurement of every opening
  • Removal and disposal of the old windows
  • Written guarantee terms and advice on building regulations sign-off
Semi-detached house with white uPVC windows and bay windows

Local details for Dartford

Postcodes covered
DA1 and the surrounding area, including Bexleyheath, Swanley and Welling
Coast
Dartford sits roughly 11 km from the nearest coastline, close enough that exposure on open or high ground is worth considering. Near the coast, salt spray and wind-driven rain test seals, drainage and hardware. uPVC itself does not corrode, but stainless or coated locking parts, well-sealed joints around the frame and clear drainage slots matter, and exposed elevations may need frames with higher weather ratings.
Daylight and sun
In Dartford the midwinter sun reaches about 15° above the horizon at noon, with roughly 7.6 hours of daylight, rising to about 62° and 16.4 hours in midsummer. uPVC frames are bulkier than aluminium, so they take a little more glass area from small windows. On south and west elevations, solar-control or neutral low-E glass limits overheating, while north-facing rooms benefit from high light-transmission glass and warm-edge spacers that reduce condensation.
Access and setting
Older rural cottages often have irregular openings, thick walls and timber lintels, so every frame is measured individually and the support above each opening is checked. Exposed hillside and open-field sites benefit from reinforced frames and careful sealing against driving rain.
Rules in England
Approved Document K requires safety glass in critical locations in England: glazing in doors and in side panels within 300 mm of a door, up to 1500 mm above floor level, and any glazing in walls or partitions up to 800 mm above floor level.

Guide prices in Dartford

Guide prices inc VAT for typical jobs. Remote and island locations are quoted by arrangement. Your written quote fixes the price after measuring.
Typical jobGuide price inc VAT
Casement window, 900 × 1050 mm£565 – £725
Casement window, 1200 × 1200 mm£665 – £855
Large window, 1800 × 1200 mm£805 – £995
Anthracite or woodgrain, 1200 × 1200 mm£785 – £995

Get a guide price for your size

Replacing windows and doors with similar ones is usually permitted development for houses in England. Flats, listed buildings and homes in conservation areas or covered by an Article 4 direction can need permission, so check with the council first.

Specification choices

Double or triple glazing

Low-E double glazing suits most homes; triple glazing adds a third pane for lower heat loss and quieter rooms, but units are heavier.

Woodgrain and colour foils

Grey, black, cream or woodgrain foils on one or both faces, so the frames can match a door or suit an older house.

Casement windows

Side-hung or top-hung sashes on friction hinges, suiting most houses, with easy-clean hinges that let upper-floor glass be cleaned from inside.

uPVC Windows in Dartford: questions

Can uPVC windows be fitted in a conservation area or listed building?

Sometimes, but consent may be needed first. Listed buildings need listed building consent for significant works, and conservation areas or Article 4 directions often restrict changes to front windows. Woodgrain foils or uPVC sliding sashes can occasionally satisfy a planning officer. Check with your council before ordering; the council can tell you what an application needs, and we can provide product details and specifications to support it.

How much do uPVC windows cost?

The cost of uPVC windows depends on the size and number of windows, how many sashes open, the frame colour, the glass and the access. White casements with standard double glazing sit at the lower end, while foiled colours, triple glazing and bay windows cost more. See the guide prices for typical ranges; the written quote fixes the price for your specification.

Can I fit uPVC windows myself?

You can, but the work still has to meet building regulations. In England and Wales, without an installer registered with a competent person scheme you need building control approval and inspection. Accurate measuring, correct packing, fixing and sealing all affect weather performance and how the locks work, and mistakes are hard to put right because frames are made to size and cannot be returned.

Do new uPVC windows need trickle vents?

In England, usually yes. Approved Document F expects ventilation after window replacement to be no worse than before, which normally means trickle vents in the new frames. Our glaziers record the existing ventilation at survey and specify vents to suit each room. Rules in the other UK nations differ, so the detail is confirmed for your address.

Do you cover Dartford for uPVC windows?

Yes. We can quote for uPVC windows across Dartford and the surrounding Kent area, including postcode districts DA1, and nearby Bexleyheath, Swanley and Welling. Start with your postcode on the quote form and a glazier will arrange a free survey before giving you a written quote.

Get a written quote in Dartford

Free survey for new glazing, clear guide prices and one point of contact for every glazing job.

CallGet a quote