Calculate your home insulation cost
Loft insulation cost by property type in Cambridge
UK £654£650
UK £825£850
UK £1,206£1,250
UK £1,205£1,200
Cavity wall insulation by property type
UK £950£950
UK £1,800£1,850
UK £2,700£2,750
UK £2,400£2,450
UK £4,600£4,650
Cavity insulation rates
What can change a real Cambridge quote?
- Loft or cavity-wall insulation
- Property type and measured area
- Existing insulation depth
- Glass wool, mineral wool, EPS or foam specification
- Wall exposure, condition and damp risk
- Access and removal of old insulation
- Repairs identified by the survey
Local planning considerations
Local labour demand, restricted central access and higher-specification property work can move real quotations outside the broad East of England planning range.
- 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 the regional model works
The broad East of England factor is 1.08×, while the live insulation calculator uses 1.016×. Only 20% of the broad regional difference is applied because insulation jobs contain a meaningful material component and the published national benchmarks already span property size and system type.
Sources
UK loft and cavity wall insulation cost guidance
Published / checked: Checked September 2026
Used for: Loft insulation property benchmarks and cavity wall per-m² costs
Frequently asked questions
How much does home insulation cost in Cambridge in 2026?
Current loft-quilt examples are £654 for a terrace, £825 for a semi-detached house, £1,206 for a detached house and £1,205 for a bungalow. The model gives about £850 as the typical semi-detached loft reference in Cambridge.
How much does cavity wall insulation cost in Cambridge?
Current national property examples range from £950 for a flat to £4,600 for a detached house, with £2,700 for a semi. The model gives about £2,750 for the semi-detached example.
What are the current cavity-wall rates per square metre?
Glass wool is about £25–£30 per m² nationally and polyurethane foam about £30–£65 per m². The modelled Cambridge rates are £25–£30 per m² and £30–£66 per m² respectively.
Does every home qualify for cavity wall insulation?
No. Wall construction, cavity width, exposure, damp, cracks and wall-tie condition should be checked before installation. A suitability survey is important.