Replacement windows are new frames and sealed double- or triple-glazed units fitted into your existing openings after the old windows are taken out, improving warmth, security and noise reduction while meeting current building regulations.
Bristol is part of our UK-wide coverage for replacement windows. Places we cover include Bishopsworth, and we travel to smaller communities across the area as well. Since your property is in England, the relevant planning and building rules are the ones set there. In the South West, budget around £4,600–£9,200 with VAT; the figure is confirmed after a survey that costs you nothing.
- Guide price
- £4,600–£9,200 inc VAT
- Time on site
- 1–2 days on site for a typical house
- Planning rules
- England
- Price level
- About 2% above the national guide
- Towns listed
- 1
- Survey
- Free, with a written quote
Replacement windows prices in Bristol
Below is a breakdown of typical costs for replacement windows in Bristol. Because rates in the South West are about 2% above the national guide, the overall guide comes to £4,600–£9,200, including VAT. Size, materials and access move the figure, and a free-of-charge survey settles it.
| Type of job | What it usually involves | Guide in Bristol |
|---|---|---|
| One to three windows | Replacing a few problem windows, such as a bay or a rotten kitchen window, in uPVC. | £700–£3,100 |
| Whole house in uPVC | Eight to ten standard uPVC casement windows on a typical 3-bed semi, fitted and finished. | £4,600–£7,600 |
| Whole house in aluminium or flush sash | Premium frames, colours or period styles across a typical 3-bed home. | £7,600–£14,500 |
The main things that change the figure:
- Number and size of windows, including bays and large picture windows
- Frame material, colour and finish, inside and out
- Glazing type: double, triple, acoustic, obscure or toughened
- Window style, such as sash, flush sash or tilt-and-turn
Scope of the work
- Measured survey of every opening, with sizes checked before manufacture
- Made-to-measure frames in your chosen material, colour and style
- Double-glazed units as standard, with triple glazing as an option
- Fixings, packers, foam and weather seals to suit your wall type
- New internal trims, external cills and neat sealant finishing
- Trickle vents, escape hinges and safety glass where regulations require
Homes in Bristol
Bristol has a strong mix: Georgian terraces and villas in Clifton and Kingsdown, rows of Victorian and Edwardian terraces across Bishopston, Totterdown and Easton, and interwar council estates on the edges. Grey-brown Pennant sandstone is a common walling stone, often with Bath stone dressings, alongside brick, render and newer apartments near the harbour.
Terraced streets often suit loft rooms and side-return extensions, plus stone repointing in lime mortar. Hillside houses can need retaining work for patios and driveways, while interwar homes commonly take rear extensions and new windows.
Exposed, west-facing slopes can catch heavy driving rain, so render, pointing and window seals on those elevations take more weather than sheltered ones.
Planning and building rules in Bristol
Bristol is in England, so the planning and building rules set out below are the ones that apply. We confirm the details with the council before we quote.
Replacing windows and doors on a house is usually permitted development in England when the new ones look broadly similar to the old. Flats, listed buildings and homes covered by an Article 4 direction can need consent, and conservation areas may limit materials or styles.
Replacement windows and external doors must meet Building Regulations for energy efficiency, ventilation and, on upper floors, escape. The work is either self-certified by an installer registered with a competent person scheme or signed off by building control.
Rules change and every property is different, so we check the planning history and constraints for your address before we quote.
How does the job run?
We look at the job
A free survey comes first. It gives us what we need to price replacement windows properly, including dimensions, existing materials and access for deliveries, and gives you the chance to ask anything you like.
Your fixed price
You get the price in writing, itemised so you can see where the money goes. As long as the specification stays the same, that is the price you pay for replacement windows.
Booking the work
Before anyone starts, we confirm the programme in writing, check whether consents are required and arrange deliveries. If a skip or scaffolding on the road needs a permit, we apply for it.
Finish and handover
Our trades complete replacement windows while your point of contact keeps you updated. When everything is finished, we clear the site, take away waste and go through the result with you before handover.
How we work
Questions about replacement windows in Bristol
What happens on the day the windows are fitted?
On fitting day we lay dust sheets, protect floors and furniture near each window, and then remove the old frame carefully to limit damage to plaster. The new frame is fixed, packed, sealed and glazed, and internal trims and external cills are finished. We take away the old windows and clean the glass before leaving. You only need to clear sills and take down curtains and blinds.
Can you combine replacement windows with other work?
Yes. Because we manage several trades under one contract, we can plan replacement windows alongside other work on your Bristol home, such as new windows with rendering, or a kitchen refit with an extension. Combining jobs can reduce repeat set-up such as scaffolding, skips and access, and every element is listed and priced in the same written quote.
Is triple glazing worth paying extra for?
Triple glazing adds a third pane of glass, which cuts heat loss and outside noise further than standard double glazing. It typically adds around a third to the cost of the glass units and makes opening sashes heavier. It makes most sense on cold or noisy elevations, or in homes being upgraded to a high energy standard. For many houses, modern double glazing with a warm edge spacer gives most of the benefit for less money.
How do I look after new uPVC or aluminium windows?
Caring for new windows is simple: wash frames and glass with warm soapy water a few times a year, avoiding abrasive cleaners and solvents. Clear the drainage slots at the bottom of the frame so rainwater can escape, and put a drop of light oil on hinges and locking points once a year. Check seals and the sealant around the outside every few years, and replace any that have cracked or shrunk.
Which postcodes in Bristol do you cover?
We cover BS3, along with the rest of Bristol. If your postcode is not listed, get in touch anyway: our coverage is UK-wide, and we can usually arrange a survey wherever you live. Enter your postcode in the guide-price tool or contact form and we will confirm.
Towns in Bristol
Homes in all of the following Bristol towns can get a written quote for replacement windows. Open a town page to see prices and the postcodes we cover.