London regional pricing

How Much Does a Window Fitter Cost in Kensington and Chelsea?

Updated prices for . Kensington and Chelsea prices are typically 44% above the national average.

14 services priced
London region
Updated

How many windows?

1 windows

Per-window prices are multiplied by your quantity. Package prices and doors stay as shown.

Price summary

Kensington and Chelsea Price Summary

Service Low Average High
Single Casement Window (uPVC) £505 £685 £865
Double Casement Window (uPVC) £650 £900 £1,150
Bay Window (3-Panel, uPVC) £1,725 £2,660 £3,600

Prices include labour and materials. VAT may apply. Based on London regional pricing.

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Full pricing

All Window Fitter Prices in Kensington and Chelsea

Every price adjusted for Kensington and Chelsea using a 1.439x cost multiplier, rounded to the nearest £5.

Single Casement Window (uPVC)

Low

£505

Average

£685

High

£865

2-3 hours per window

Double Casement Window (uPVC)

Low

£650

Average

£900

High

£1,150

2-4 hours

Bay Window (3-Panel, uPVC)

Low

£1,725

Average

£2,660

High

£3,600

1 day

Sash Window Replacement (uPVC)

Low

£720

Average

£1,080

High

£1,440

3-4 hours

Sash Window Replacement (Timber)

Low

£1,150

Average

£1,870

High

£2,590

4-6 hours

French Doors (uPVC Pair)

Low

£1,150

Average

£1,655

High

£2,160

Half day

Patio / Sliding Doors (uPVC)

Low

£1,295

Average

£2,085

High

£2,880

Half day

Bi-Fold Doors (3-Panel, Aluminium)

Low

£3,600

Average

£5,395

High

£7,195

1 day

Front Door Replacement (Composite)

Low

£1,150

Average

£1,655

High

£2,160

3-4 hours

Full House Window Replacement (3-Bed, 8 Windows)

Low

£4,315

Average

£6,115

High

£7,915

2-3 days

Glass Replacement (Single Sealed Unit)

Low

£110

Average

£195

High

£290

30-60 minutes

Secondary Glazing (Per Window)

Low

£290

Average

£430

High

£575

1-2 hours

Roof Window / Skylight (Velux-Style)

Low

£720

Average

£1,225

High

£1,725

Half day

Window Repair (Hinges, Locks, Handles)

Low

£70

Average

£145

High

£215

30-60 minutes

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Regional comparison

How Kensington and Chelsea Compares

Average cost of single casement window (upvc) across regions.

Kensington and Chelsea
+44% £685
National Average
baseline £475
London
+24% £590

Local insights

What Affects Window Fitter Costs in Kensington and Chelsea?

Kensington and Chelsea's housing stock ranges from Georgian and Victorian terraces to post-war estates and modern new-builds. Properties across areas like Islington, Hackney and Brixton vary enormously in age, layout and condition, all of which directly affect window fitter costs. Older properties tend to need more preparation work and present access challenges that push prices toward the higher end of the ranges shown above.

London is the most expensive part of the UK for trade work, with labour rates running around 24% above the national average. This reflects the high cost of living, congestion charges, and expensive parking that tradespeople factor into their quotes. Despite the higher prices, there is no shortage of qualified window fitter professionals across the capital. Prices still vary by 30-50% between tradespeople for the same job, making multiple quotes essential.

Several factors affect what you will pay for window fitter work in Kensington and Chelsea. The scope and complexity of the job is the biggest driver — straightforward work in accessible locations will be at the lower end, while anything involving older properties, difficult access, or structural complications will cost more. Material choices also make a significant difference; opting for premium brands or higher-spec products can add 20-40% to the total. For larger jobs, a window fitter in Kensington and Chelsea might quote £4,315 to £7,915 for full house window replacement (3-bed, 8 windows).

When getting quotes in Kensington and Chelsea, aim for at least three from different qualified professionals. Ask each one to visit and assess the work in person rather than quoting over the phone. A good window fitter will check the existing setup, identify any potential complications, and give you a detailed breakdown of costs. Be wary of quotes that seem significantly cheaper than others — they may be cutting corners on materials or not including everything in the price. Always check qualifications, insurance and recent reviews before hiring.

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Common questions

Frequently Asked Questions

Common questions about window fitter costs in Kensington and Chelsea.

How much does a window fitter cost in Kensington and Chelsea in 2026?
Single Casement Window (uPVC) in Kensington and Chelsea typically costs between £505 and £865, with the average being around £685. Prices vary depending on the scope of work, materials used, and the specific requirements of your property.
Are window fitter prices cheaper in Kensington and Chelsea than London?
Kensington and Chelsea prices are 44% above the national average, though still comparable to London for single casement window (upvc).
How do I find a good window fitter in Kensington and Chelsea?
Get at least three quotes from different tradespeople, check recent reviews, and ask whether the quote includes VAT and everything you need. A detailed written quote that breaks down all costs is a good sign. Always check qualifications, insurance and recent reviews before hiring.
What affects window fitter prices in Kensington and Chelsea?
The main factors are the scope and complexity of what you need, the options and products chosen, and local market rates. Kensington and Chelsea rates are 44% above the national average. Getting multiple quotes is the best way to ensure a fair price.
Do window fitter prices include materials in Kensington and Chelsea?
The prices shown on this page include all typical costs. However, when getting real quotes, always confirm what is and isn't included. Some tradespeople break out costs separately, while others give an all-in price. Ask for a detailed breakdown before agreeing to any work.