TrustMark registered building firm in London offering loft conversions, kitchens and bathrooms and roofing.
TrustMark
London · 1.2 miRegistered company, not yet verified
Loft conversion builders in London
Firms in London who list dormer, hip-to-gable, mansard and roof-light loft conversions, ranked by verified customer reviews and then distance. Nobody pays to move up this list, and a message goes to the one builder you choose.
Showing 1–10 of 10 builders for loft conversions in LondonSorted by verified reviews, then distance. Never by payment.
TrustMark registered building firm in London offering extensions, loft conversions, kitchens and bathrooms, groundworks, structural work and plastering.
TrustMark
London · 3.2 miRegistered company, not yet verified
PhoneNo phone number yet: see their profile
TrustMark registered building firm in London offering loft conversions, kitchens and bathrooms and plastering.
TrustMark
London · 5.4 miRegistered company, not yet verified
TrustMark registered building firm in London offering loft conversions.
TrustMark
London · 5.4 miRegistered company, not yet verified
TrustMark registered building firm in London offering loft conversions, kitchens and bathrooms and roofing.
TrustMark
London · 5.8 miRegistered company, not yet verified
TrustMark registered building firm in London offering loft conversions.
TrustMark
London · 7.1 miRegistered company, not yet verified
PhoneNo phone number yet: see their profile
TrustMark registered building firm in London offering loft conversions and roofing.
TrustMark
London · 8.0 miRegistered company, not yet verified
PhoneNo phone number yet: see their profile
TrustMark registered building firm in London offering loft conversions and roofing.
TrustMark
London · 8.7 miRegistered company, not yet verified
TrustMark registered building firm in London offering loft conversions, kitchens and bathrooms and plastering.
TrustMark
London · 8.8 miRegistered company, not yet verified
PhoneNo phone number yet: see their profile
TrustMark registered building firm in London offering loft conversions.
TrustMark
London · 9.5 miRegistered company, not yet verified
Before you contact a builder
Our guide to loft conversion builders covers what the job involves, the approvals it needs and what to check before you hire. For prices, read Loft conversion cost in the UK (2026 guide). Local planning, building control and housing notes are on the London page.