High Wycombe · Buckinghamshire
uPVC Windows in High Wycombe
Draughty or tired windows in High Wycombe can be replaced with made-to-measure uPVC frames, and our glaziers survey every opening before you receive a fixed written quote.
- HP11
- HP12
- HP13
- Guide from £565
uPVC casement windows for homes and businesses in High Wycombe
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.
Modern uPVC casements use multi-point espagnolette locks that engage keeps along the frame, internally beaded glass so units cannot be removed from outside, and key-locking handles. PAS 24 is the security standard expected for easily accessible windows in new homes in England, and it is a sensible benchmark for ground-floor replacements.
Bay windows need extra care. Some older bays carry load from the wall or roof above, so the glazier checks the support before removal and may fit bay poles or ask for structural advice. Replacing a window in the same opening is different from widening it, which needs a new lintel.
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
- Made-to-measure frames with sealed double glazed units
- Survey and measurement of every opening
- Sealing inside and out, with trims to make good

Working in High Wycombe
- Postcodes covered
- HP11, HP12, HP13 and the surrounding area, including Amersham, Maidenhead and Chesham
- Coast
- High Wycombe is well inland, around 80 km from the nearest coast, so salt exposure is not usually a factor.
- Daylight and sun
- In High Wycombe 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
- In terraced streets and flats, old frames are usually removed and new ones fitted from inside to avoid scaffold. Parking for the van, access through communal areas, leaseholder consent and the lack of permitted development rights for flats all need checking before ordering.
- 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 High Wycombe
| Typical job | Guide 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
In England, replacing a whole window, roof window or glazed external door is building work. It has to be notified to building control, either by an installer registered with a competent person scheme such as FENSA or Certass, or through a building notice to the council. Replacing only the glass in an existing frame is a repair and is not notifiable.
Choosing your uPVC windows
Obscure and acoustic glass
Patterned or satin glass for bathrooms and street-facing rooms, and laminated acoustic glass to reduce traffic noise.
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.
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 High Wycombe: questions
Should I choose double or triple glazing?
Well-specified double glazing with low-E glass and warm-edge spacers can meet the energy standard for replacement windows, and the certified rating confirms it. Triple glazing adds a third pane, which helps on cold, noisy or north-facing elevations, but the units are heavier and need frames designed for them. We can quote both so you can compare.
Will fitting new windows damage my plaster or decor?
Some disturbance is normal, but it is usually limited to the edges of each opening. The glazier cuts out the old frame, fits the new one and finishes the inside with trims, sealant or filler. Older frames set deep into plaster may need some plaster repair, and we flag that at survey so it is covered in the quote.
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.
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 High Wycombe for uPVC windows?
Yes. We can quote for uPVC windows across High Wycombe and the surrounding Buckinghamshire area, including postcode districts HP11, HP12 and HP13, and nearby Amersham, Maidenhead and Chesham. 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 High Wycombe
Free survey for new glazing, clear guide prices and one point of contact for every glazing job.