Price Guide
How Much Does a Window Fitter Really Cost?
Compare prices for 14 services across 343 UK locations. Data-driven pricing updated for .
How many windows?
Per-window prices are multiplied by your quantity. Package prices and doors stay as shown.
National pricing
Window Fitter Prices
National average prices. Select a city below for local pricing.
All prices include materials and labour unless stated otherwise.
| Job | Low | Average | High | Duration |
|---|---|---|---|---|
| Single Casement Window (uPVC) | £400 | £575 | £750 | 2-3 hours per window |
| Double Casement Window (uPVC) | £500 | £700 | £900 | 2-4 hours |
| Bay Window (3-Panel, uPVC) | £1,200 | £2,000 | £3,000 | 1 day |
| Sash Window Replacement (uPVC) | £600 | £900 | £1,200 | 3-4 hours |
| Sash Window Replacement (Timber) | £1,000 | £1,600 | £2,500 | 4-6 hours |
| French Doors (uPVC Pair) | £800 | £1,150 | £1,500 | Half day |
| Patio / Sliding Doors (uPVC) | £900 | £1,450 | £2,000 | Half day |
| Bi-Fold Doors (3-Panel, Aluminium) | £2,500 | £3,750 | £5,000 | 1 day |
| Front Door Replacement (Composite) | £800 | £1,150 | £1,500 | 3-4 hours |
| Full House Window Replacement (3-Bed, 8 Windows) | £3,500 | £5,000 | £6,500 | 2-3 days |
| Glass Replacement (Single Sealed Unit) | £75 | £135 | £200 | 30-60 minutes |
| Secondary Glazing (Per Window) | £200 | £300 | £400 | 1-2 hours |
| Roof Window / Skylight (Velux-Style) | £500 | £850 | £1,200 | Half day |
| Window Repair (Hinges, Locks, Handles) | £50 | £100 | £150 | 30-60 minutes |
Single Casement Window (uPVC)
Low
£400
Average
£575
High
£750
2-3 hours per window
Double Casement Window (uPVC)
Low
£500
Average
£700
High
£900
2-4 hours
Bay Window (3-Panel, uPVC)
Low
£1,200
Average
£2,000
High
£3,000
1 day
Sash Window Replacement (uPVC)
Low
£600
Average
£900
High
£1,200
3-4 hours
Sash Window Replacement (Timber)
Low
£1,000
Average
£1,600
High
£2,500
4-6 hours
French Doors (uPVC Pair)
Low
£800
Average
£1,150
High
£1,500
Half day
Patio / Sliding Doors (uPVC)
Low
£900
Average
£1,450
High
£2,000
Half day
Bi-Fold Doors (3-Panel, Aluminium)
Low
£2,500
Average
£3,750
High
£5,000
1 day
Front Door Replacement (Composite)
Low
£800
Average
£1,150
High
£1,500
3-4 hours
Full House Window Replacement (3-Bed, 8 Windows)
Low
£3,500
Average
£5,000
High
£6,500
2-3 days
Glass Replacement (Single Sealed Unit)
Low
£75
Average
£135
High
£200
30-60 minutes
Secondary Glazing (Per Window)
Low
£200
Average
£300
High
£400
1-2 hours
Roof Window / Skylight (Velux-Style)
Low
£500
Average
£850
High
£1,200
Half day
Window Repair (Hinges, Locks, Handles)
Low
£50
Average
£100
High
£150
30-60 minutes
Local pricing
Find Window Fitter Costs in Your City
Browse all 343 cities for local window fitter pricing.
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Regional comparison
Single Casement Window (uPVC) by City
Average cost of single casement window (upvc) across key UK cities.
Overview
What Does a Window Fitter Do?
A window fitter provides professional services covering window installation, replacement, double glazing, doors and glass repairs. They handle everything from routine maintenance and inspections to full installations and emergency repairs. Whether you need a small repair or a major project, hiring a qualified window fitter ensures the work is done safely, to code, and to a professional standard.
You should hire a window fitter whenever you need work that requires specialist skills, tools, or qualifications. Many types of window fitter work are regulated and must be carried out by a certified professional. Attempting DIY on regulated work can be dangerous, void your insurance, and create costly problems down the line.
Pricing for window fitter services depends on the complexity of what you need, the options chosen, and where you live in the UK. Simpler services sit at the lower end of the scale, while more involved or premium options will be significantly more expensive. The prices on this page give you a realistic range for each type of service so you know what to expect before getting quotes.
When hiring a window fitter, always get at least three quotes from different tradespeople. Read recent reviews and ask for references. Always check qualifications, insurance and recent reviews. A reputable window fitter will be happy to provide a detailed breakdown of costs and explain exactly what is included in their quote.
Common questions
Frequently Asked Questions
Common questions about window fitter costs in the UK.