A 15-service × 253-city network for qualified PAS 2035 assessors, with a working assessor-lookup tool and conditional FAQ logic that adapts to the page topic.
Healthy Homes Network is a referral hub for UK households who want a qualified retrofit/EPC assessor. The directory pulls from the live TrustMark database to surface accredited assessors in the user's area.
Most "find a tradesperson" sites take broad listings without verifying credentials. PAS 2035 (the UK retrofit standard) requires a specific accreditation pathway — and the TrustMark register is the authoritative source for who can legally sign off whole-house retrofit measures.
We built a service-specific page architecture that maps each assessor service to the relevant TrustMark category, so a user searching for "thermal bridging assessor Bristol" gets a page that lists only assessors who are accredited for that specific scope.
If you have a service business, a vertical SaaS product, or a sector hub that needs scalable, conservative-quality search content with proper lead routing — we run engagements like this regularly.
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