Available assessments
Which services work best for you depends on a range of factors including your home, your ambitions and your budget. If you’re not sure which service to choose, use our digital triage tool below or request a callback from the provider.



Basic home assessment
£250
A survey providing a basic understanding of your home, assessing damp, structural and retrofit readiness issues with simple recommendations for repair and maintenance, easy energy upgrades and links to trusted, local contractors.


Advanced home assessment
£800 to £1,500
A detailed whole-house retrofit assessment, providing a clear understanding of your home’s current energy performance, along with a range of costed scenarios to inform construction-stage decision-making and investment.


Major projects home assessment
£2,000 to £3,000
An architect-led detailed condition survey, retrofit assessment and Passivhaus Planning Package modelling exercise, offering a complete understanding of your home's energy performance and providing the basis for a roadmap to achieve a high standard of retrofit.

Digital home assessment
£ Free
Not ready for a home assessment visit? You can learn about what improvements might be suitable for your home and find GMCA-endorsed installers using this free tool.
How these assessments compare
| Assessment | Basic Home AssessmentBasic | Advanced Home AssessmentAdv | Major Projects Home AssessmentMajor |
|---|---|---|---|
| Provider | |||
| Cost | £250+ | £800+ | £2000+ |
| Check the condition of your home | |||
| Recommendations for a warmer home & lower energy bills | |||
| Advice on funding, grants & loans | |||
| Plan improvements alongside other works | |||
| Detailed energy monitoring | |||
| Supports extensive home remodelling | |||
| Good for repairs & small fixes | |||
| Advice on damp & mould | |||
| Good for large or complex home improvement projects | |||
| Architect-led Passivhaus design | |||
| Written report |
Which assessment is right for you?
Tell us a few things about your circumstances and priorities using our Home assessment digital tool and we’ll rank your options.
Find my recommended assessments

