Loft Conversion
in Brighton
Compare quotes from vetted Brighton loft conversion specialists. Dormer, Velux, hip-to-gable and mansard conversions from £42,000. Free no-obligation quotes.
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How Much Do Loft Conversion Cost in Brighton?
Real prices from completed projects in Brighton and the surrounding area. Costs vary by size, specification and access — use these as a starting guide, then get 3 free quotes for your specific project.
The most popular type in the UK. Creates a full-height room with a vertical rear wall and flat roof. Usually includes a bathroom and Velux windows to the front.
Get quotes for this →Ideal for end-of-terrace and detached homes with a hipped roof. Extends the ridge line to create maximum usable floor space. Often paired with a rear dormer.
Get quotes for this →The most spacious conversion type — a near-vertical rear wall with a shallow-pitched roof. Common in London and city terraces. Typically requires planning permission.
Get quotes for this →Costs depend on size, spec and access. The best way to know your exact price is to compare 3 quotes from vetted local specialists.
Get free quotes →Brighton pricing note: South East England prices run 15–25% above the national average, particularly in Surrey, Kent and areas within commuter distance of London. Strong demand and limited contractor availability in peak season push costs higher. Prices shown are indicative ranges for Brighton and South East. Always get at least 3 written quotes before committing to any builder.
Loft Conversion Specialists Who Know Brighton
Brighton is one of the UK's most active home renovation markets. With a diverse range of properties across the area, from period homes to modern new builds, local builders need to be versatile, skilled, and reliable.
BestBuilders vets every builder in our Brighton network. We check for public liability insurance, relevant trade qualifications (CIOB, FMB, Gas Safe, NICEIC), and a minimum of five verified customer reviews before any builder can appear on our platform.
Whether you are planning a rear extension, a loft conversion, or a full kitchen renovation in Brighton, we will connect you with the right specialist within 24 hours. All quotes are free and there is no obligation to proceed.
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What Brighton Homeowners Say About Our Loft Conversion Specialists
Side-dormer loft conversion on our 1930s semi in Brighton. Single large bedroom with vaulted ceiling and exposed steel beam over the new opening. Total £41600 over 11 weeks on site. Building control sign-off on the first inspection, no remedials.
Used BestBuilders to find a loft specialist near Brighton - mid-priced quote at £62k won on the proper structural detailing. Stairs were the tricky bit - reconfigured the landing without losing the family bathroom. Daily 5pm sweep-up, weekly progress meeting, never once felt out of the loop. Final bill £47040. EPC went up two bands thanks to the new insulation spec.
Four months in and the master suite is exactly what we hoped for. Builder we found via BestBuilders in Brighton pushed back on the original architect drawings and saved us £4k of unnecessary steel. Total £50760. Stamp duty saved by extending up rather than moving up.
Loft Conversion in Brighton — FAQs
Plan Your loft conversion Project in Brighton
Whether you're researching costs, checking planning rules, or comparing approaches before you commit, our editorial team has produced these guides to help Brighton homeowners make informed decisions about their loft conversion project.
Loft Conversion Cost Guide
Detailed UK price ranges, regional adjustments and worked examples for loft conversion projects.
Read Loft Conversion Cost Guide →All Loft Conversion Specialists
Browse our nationwide network of vetted loft conversion contractors covering all 519 UK towns.
Browse Loft Conversion Specialists →All Cost Guides
Compare prices across extensions, lofts, kitchens, bathrooms, roofing, driveways and solar projects.
View All Cost Guides →Planning your loft conversion project? Read these guides:
Loft Conversion Near Brighton
We also connect homeowners with vetted loft conversion specialists in towns surrounding Brighton.
Planning Your Loft Conversion in Brighton
Before you compare quotes, it's worth understanding the full UK price picture for loft conversion and how Brighton sits within it. The guides below cover average costs, what affects your quote, and how to choose a builder you can trust.
UK Loft Conversion Cost Guide
Full price ranges, worked examples and the factors that move your quote — drawn from real project data across 519 UK towns.
Read the loft conversion cost guide →Loft Conversion Across the UK
Browse loft conversion services nationwide, see what's typical in your region, and request quotes from any UK location.
Visit the UK loft conversion hub →Planning Permission for Loft Conversion in Brighton
Find out whether your loft conversion needs planning permission in Brighton, what Permitted Development limits apply, and how rules differ in conservation areas, Article 4 zones, and listed-building settings.
Read the loft conversion planning rules →More homeowner resources: all UK building guides, cost guides, planning permission, comparisons, how-to guides and industry insights.