Current fitting labour benchmarks plus the compliance questions to ask for replacement windows.
Applies to: UK homes; Building Regulations systems differ by nation. · Last checked: 4 October 2026
Key points
• Checkatrade’s current guide gives roughly £80 labour for a straightforward like-for-like uPVC replacement window.
• Window fitters are shown around £25–£35 per hour or £200–£250 per day.
• Replacement windows can require Building Regulations compliance evidence.
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Current labour guide
Checkatrade’s current window-fitting guide suggests around £80 labour per straightforward like-for-like uPVC window, with fitter rates around £25–£35 per hour or £200–£250 per day. Supply cost is separate.
What changes the quote
• Window size and opening style.
• Frame material and glazing specification.
• Upper-floor access.
• New openings or lintel work.
• Making good internally and externally.
• Disposal of old frames.
Compliance evidence
GOV.UK lists replacement windows and doors among work that can need Building Regulations approval. A registered competent-person installer can self-certify certain work and provide a compliance certificate.
Sources and methodology
Pricing figures are third-party UK market budgeting references, not BuildPair prices or guaranteed local quotes. Legal and safety points are linked to current official guidance. Check the current source and your project circumstances before acting.
Related BuildPair guides
BuildPair provides general information and signposting, not legal, structural, gas, electrical or building-control approval. Requirements and prices vary by location, property and scope.
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