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Brentwood · Essex

uPVC Windows in Brentwood

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

  • CM13
  • CM14
  • CM15
  • Guide from £565

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About uPVC casement windows in Brentwood

In England, Approved Document L sets the standard for a replacement window in an existing home: a U-value of 1.4 W/m²K or better, or a Window Energy Rating of band B or above. The new window should also be no worse than the one it replaces. The other UK nations set their own figures.

When windows are replaced in England, Approved Document F expects the room's ventilation to be no worse than before. That usually means trickle vents in the head of the new frames, sized to the room, so the glazier records whether the old windows had vents and specifies the new ones to suit.

Windows are replaced room by room, so each opening is only exposed for a short spell. A single window is usually changed within a day, and a typical house takes a few days depending on the number of windows, bays and access. Inside, reveals are finished with trims, sealant or filler.

uPVC window frames are made from extruded profiles with several internal chambers that trap air and slow heat loss. Larger frames, and those on exposed elevations, are usually reinforced with steel or aluminium inside the profile so they stay straight and the locks keep engaging properly over the years.

What's included

  • Removal and disposal of the old windows
  • Fitting, packing and fixing into the existing opening
  • Made-to-measure frames with sealed double glazed units
  • Survey and measurement of every opening
Semi-detached house with white uPVC windows and bay windows

Working in Brentwood

Postcodes covered
CM13, CM14, CM15 and the surrounding area, including Billericay, Hornchurch and Romford
Coast
Brentwood sits roughly 16 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 Brentwood 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 Brentwood

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

Approved Document Q applies to new homes in England, where doors and windows are expected to meet PAS 24 or an equivalent standard. It does not apply to replacements in existing homes, but PAS 24 products are still a sensible choice.

Choosing your uPVC windows

Tilt and turn

Opens inwards from the side for cleaning or escape, or tilts from the top for secure ventilation; practical for flats and upper floors.

uPVC sliding sash

Vertical sliders that mimic traditional box sashes, using spring balances instead of weights, where planning rules allow uPVC.

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.

uPVC Windows in Brentwood: questions

Are uPVC windows secure?

Modern uPVC windows can be very secure when they have multi-point locks, internal glazing beads, key-locking handles and laminated glass where needed. PAS 24 is the security standard expected for easily accessible windows in new homes in England. Ask for ground-floor windows tested to it, and avoid frames where the glass is beaded from outside.

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.

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.

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.

Do you cover Brentwood for uPVC windows?

Yes. We can quote for uPVC windows across Brentwood and the surrounding Essex area, including postcode districts CM13, CM14 and CM15, and nearby Billericay, Hornchurch and Romford. 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 Brentwood

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

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