Double glazing cost for a 3-bed house UK: 2026 guide
A current whole-house supply-and-fit benchmark and the specification details that make quotes comparable.
Applies to: UK homes; window count, size, frame and glazing specification vary. · Last checked: 4 October 2026
Key points
• Checkatrade’s current guide gives roughly £8,000–£15,000 supply and fit for uPVC double glazing to a typical 3-bed house.
• Count and specification matter more than bedroom count alone.
• Ask for compliance certification and exact glazing performance.
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Current market range
Checkatrade’s current window-fitting guide gives a typical £8,000–£15,000 supply-and-fit range for replacing all windows in a 3-bed house with uPVC double glazing.
Compare the same specification
• Exact window schedule and dimensions.
• Opening configuration.
• Frame profile and colour.
• Glass specification and safety glazing where required.
• Trickle ventilation and background ventilation details.
• Sills, trims and making good.
Certificates matter
Where Building Regulations apply, keep the relevant compliance evidence. GOV.UK says a competent-person installer can self-certify qualifying work and provide a certificate after completion.
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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