Typical planning ranges in Cambridge
What the East of England factor means
Our broad 1.08× regional model sits 8% above the national planning baseline. It is a UK Home Costs planning assumption rather than an externally measured city-wide price index. For projects with a large nationally priced equipment or materials component — such as solar, windows, EV chargers, insulation, underfloor heating and consumer units — the table uses only the documented share of that broad regional difference used by the corresponding calculator.
Planning considerations in Cambridge
- Central access and delivery constraints can add logistics that are not captured by a simple regional multiplier.
- Check heritage, conservation or listed-building requirements before budgeting standard external alterations or replacement windows.
- Professional fees and specification choices can outweigh the regional factor on extensions, structural work and high-finish refurbishments.
How to use these figures
Local labour demand, restricted central access and higher-specification property work can move real quotations outside the broad East of England planning range.
Start with the table to understand project scale, then use a calculator to add floor area, condition, finish level and other project-specific inputs. A postcode-aware calculator can infer the same broad region while still allowing a manual override.
Compare this region with all locations
Detailed project cost guides in Cambridge
These pages apply the same transparent regional model — or the calculator's documented moderated regional treatment where appropriate — to detailed project tables rather than publishing a single city-wide headline figure.
Extension cost
Modelled Cambridge extension cost using the current £1,800–£3,000 per m² national benchmark before VAT and the UK Home Costs East of England regional planning model.
£1,800–£3,000 per m² national benchmark before VATOpen Cambridge guide →2026 regional guideLoft conversion cost
Modelled Cambridge loft conversion cost using the current £22,500–£80,000 across common 2026 conversion types and the UK Home Costs East of England regional planning model.
£22,500–£80,000 across common 2026 conversion typesOpen Cambridge guide →2026 regional guideRoof replacement cost
Modelled Cambridge roof replacement cost using the current £4,000–£19,000 for most roof replacements; £8,000 UK average and the UK Home Costs East of England regional planning model.
£4,000–£19,000 for most roof replacements; £8,000 UK averageOpen Cambridge guide →2026 regional guideHouse rewire cost
Modelled Cambridge house rewire cost using the current £3,000–£12,500 across common flats and houses and the UK Home Costs East of England regional planning model.
£3,000–£12,500 across common flats and housesOpen Cambridge guide →2026 regional guideNew boiler cost
Modelled Cambridge new boiler cost using the current £2,500–£4,000 like-for-like combi; £3,000–£15,000 broader installed projects and the UK Home Costs East of England regional planning model.
£2,500–£4,000 like-for-like combi; £3,000–£15,000 broader installed projectsOpen Cambridge guide →2026 regional guideSolar panel cost
Modelled Cambridge solar panel cost using the current £6,000–£10,000 for 3–6 kW solar-only systems; about £8,000 for 4 kW and the UK Home Costs East of England regional planning model.
£6,000–£10,000 for 3–6 kW solar-only systems; about £8,000 for 4 kWOpen Cambridge guide →2026 regional guideKitchen renovation cost
Modelled Cambridge kitchen renovation cost using the current £5,250–£28,400 current fitted-kitchen range; £10,550 UK average and the UK Home Costs East of England regional planning model.
£5,250–£28,400 current fitted-kitchen range; £10,550 UK averageOpen Cambridge guide →2026 regional guideBathroom renovation cost
Modelled Cambridge bathroom renovation cost using the current £5,500–£8,000 typical new bathroom; £7,000 UK average; £14,000+ high-end and the UK Home Costs East of England regional planning model.
£5,500–£8,000 typical new bathroom; £7,000 UK average; £14,000+ high-endOpen Cambridge guide →2026 regional guideWindow replacement cost
Modelled Cambridge window replacement cost using the current £500–£5,000+ per double-glazed window by type; £8,000–£15,000 for a typical 3-bed house and the UK Home Costs East of England regional planning model.
£500–£5,000+ per double-glazed window by type; £8,000–£15,000 for a typical 3-bed houseOpen Cambridge guide →2026 regional guideHome insulation cost
Modelled Cambridge home insulation cost using the current £654–£1,206 for common loft-quilt examples; £950–£4,600 cavity-wall examples by property type and the UK Home Costs East of England regional planning model.
£654–£1,206 for common loft-quilt examples; £950–£4,600 cavity-wall examples by property typeOpen Cambridge guide →2026 regional guideEV charger cost
Modelled Cambridge ev charger cost using the current about £1,000 typical home installation; eligible 2026 OZEV grants cover 75% up to £500 per socket and the UK Home Costs East of England regional planning model.
about £1,000 typical home installation; eligible 2026 OZEV grants cover 75% up to £500 per socketOpen Cambridge guide →2026 regional guideExternal wall insulation cost
Modelled Cambridge external wall insulation cost using the current £150–£200 per m² installed; £6,000–£30,000+ across common property examples and the UK Home Costs East of England regional planning model.
£150–£200 per m² installed; £6,000–£30,000+ across common property examplesOpen Cambridge guide →2026 regional guideUnderfloor heating cost
Modelled Cambridge underfloor heating cost using the current £50–£110 per m² across electric and wet new-build or renovation systems; £3,000–£13,000 for many full-property installs and the UK Home Costs East of England regional planning model.
£50–£110 per m² across electric and wet new-build or renovation systems; £3,000–£13,000 for many full-property installsOpen Cambridge guide →2026 regional guideConsumer unit cost
Modelled Cambridge consumer unit cost using the current about £485 for a typical installed 10-way RCBO unit; roughly £350–£800 by circuits and property size and the UK Home Costs East of England regional planning model.
about £485 for a typical installed 10-way RCBO unit; roughly £350–£800 by circuits and property sizeOpen Cambridge guide →Popular calculators
House renovation
Refine the Cambridge planning range with project-specific inputs.
Open calculator →Live calculatorHouse extension
Refine the Cambridge planning range with project-specific inputs.
Open calculator →Live calculatorLoft conversion
Refine the Cambridge planning range with project-specific inputs.
Open calculator →Live calculatorGarage conversion
Refine the Cambridge planning range with project-specific inputs.
Open calculator →Live calculatorKitchen renovation
Refine the Cambridge planning range with project-specific inputs.
Open calculator →Live calculatorBathroom renovation
Refine the Cambridge planning range with project-specific inputs.
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