Shoreham by Sea ยท Loft Conversion

Loft Conversion
in Shoreham by Sea

Compare quotes from vetted Shoreham by Sea loft conversion specialists. Dormer, Velux, hip-to-gable and mansard conversions from ยฃ42,000. Free no-obligation quotes.

  • Vetted, insured loft conversion specialists in Shoreham by Sea
  • Up to 3 free quotes โ€” compare and choose with no pressure
  • Transparent pricing, no hidden costs or surprise charges
  • Work guaranteed, fully insured, trade-qualified contractors
Get My 3 Free Quotes
Takes 60 seconds ยท No spam ยท No obligation
Vetted Loft Conversion Specialists
1,200+ Verified Reviews
Minimum ยฃ2m Insurance
Free No-Obligation Quotes
Local Shoreham by Sea Experts
180+
Loft Conversion Specialists in Shoreham by Sea
4.7
Average Star Rating
720+
Projects Completed in Shoreham by Sea
ยฃ0
To Get Your Quotes

How Much Do Loft Conversion Cost in Shoreham by Sea?

Real prices from completed projects in Shoreham by Sea and the surrounding area. Costs vary by size, specification and access โ€” use these as a starting guide, then get 3 free quotes for your specific project.

Full cost guide โ†’
Dormer loft conversion
Rear Dormer with En-Suite
£ 42,000 โ€“ £72,000

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 โ†’
Hip-to-Gable Conversion
Hip-to-Gable with Dormer
£ 46,000 โ€“ £83,000

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 โ†’
Mansard Conversion
Mansard Loft Conversion
£ 53,000 โ€“ £101,000

The most spacious conversion type โ€” a near-vertical rear wall with a shallow-pitched roof. Common in London and city terraces. Typically requires planning permission.

Get quotes for this โ†’
Your Project
Get an Accurate Quote

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 โ†’

Shoreham by Sea pricing note: South East England prices run 15โ€“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 Shoreham by Sea and South East. Always get at least 3 written quotes before committing to any builder.

Loft Conversion Specialists Who Know Shoreham by Sea

Shoreham-by-Sea 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 Shoreham-by-Sea 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 Shoreham-by-Sea, we will connect you with the right specialist within 24 hours. All quotes are free and there is no obligation to proceed.

Start My Free Quote โ†’

How It Works

1
Tell us your project
Describe your loft conversion project and postcode. Takes 60 seconds.
2
We match you instantly
We send your brief to up to 3 vetted loft conversion specialists in Shoreham by Sea.
3
Compare and choose
Review quotes, profiles and reviews. No obligation to proceed.

Every Builder We Recommend Is:

โœ“ Minimum ยฃ2m public liability insurance โ€” verified before listing
โœ“ Holds relevant trade qualifications (FMB, CIOB, FMB, CIOB)
โœ“ Has a minimum of 5 verified customer reviews before joining
โœ“ Actively monitored โ€” removed for sustained negative feedback

What Shoreham by Sea Homeowners Say About Our Loft Conversion Specialists

โ˜…โ˜…โ˜…โ˜…โ˜… 4.7 / 5
โ˜…โ˜…โ˜…โ˜…โ˜…

Hip-to-gable conversion with side dormer on our Edwardian villa in Shoreham-by-Sea. Master suite with walk-in wardrobe, en-suite wet room and bi-fold doors out to a Juliet balcony. Total project ยฃ79430 across 13 weeks. Structural calcs, design and build all under one roof.

Eve H.
Shoreham-by-Sea
Loft Conversion
โ˜…โ˜…โ˜…โ˜…โ˜…

Used BestBuilders to find a loft specialist near Shoreham-by-Sea - final pick was the team with the longest workmanship guarantee. Smoke alarms tied into the existing system - one less commission visit. Builder put up a temporary sound-rated partition during the noisiest week. Final bill ยฃ52360. Building control sign-off straightforward, no comeback.

Kai H.
Shoreham-by-Sea
Loft Conversion
โ˜…โ˜…โ˜…โ˜…โ˜…

A full freeze-thaw cycle later, no movement around the new dormer cheeks. Builder we found via BestBuilders in Shoreham-by-Sea reused some original roof timbers as feature beams - a clever bit of design. Total ยฃ66440. Already recommended them to two friends doing similar.

Cara N.
Shoreham-by-Sea
Loft Conversion

Loft Conversion in Shoreham by Sea โ€” FAQs

A Velux or rooflight conversion in Shoreham by Sea typically costs ยฃ25,000 to ยฃ40,000, a rear dormer ยฃ40,000 to ยฃ65,000, and a hip-to-gable or mansard ยฃ55,000 to ยฃ80,000. The price depends on the roof structure, the staircase position and whether an en-suite is added.
Many loft conversions in Shoreham by Sea are permitted development, allowing up to 40 cubic metres of added roof space on a terraced house or 50 on a semi or detached, provided the work does not extend the roof plane facing a road. Mansards, properties in conservation areas and listed buildings usually need full planning permission.
Most loft conversions in Shoreham by Sea take 6 to 10 weeks on site, with dormer and mansard conversions at the longer end. Allow extra time beforehand for a survey, structural design and building regulations sign-off.
A well-built loft conversion with a double bedroom and en-suite typically adds 15 to 20 percent to the value of a Shoreham by Sea home, often more than it costs to build. It is one of the most cost-effective ways to add a bedroom without losing garden space.
Yes. Every loft conversion needs building regulations approval covering floor strength, fire escape, stairs and insulation, regardless of whether planning permission is required. Your Shoreham by Sea specialist designs to these standards and arranges building control inspections.

Plan Your loft conversion Project in Shoreham by Sea

Whether you're researching costs, checking planning rules, or comparing approaches before you commit, our editorial team has produced these guides to help Shoreham by Sea 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 โ†’

All Loft Conversion Specialists

Browse our nationwide network of vetted loft conversion contractors covering all 519 UK towns.

Browse Loft Conversion Specialists โ†’

All Cost Guides

Compare prices across extensions, lofts, kitchens, bathrooms, roofing, driveways and solar projects.

View All Cost Guides โ†’

Planning your loft conversion project? Read these guides:

Loft Conversion Near Shoreham by Sea

We also connect homeowners with vetted loft conversion specialists in towns surrounding Shoreham by Sea.

Or view all building services in Shoreham by Sea โ†’

Planning Your Loft Conversion in Shoreham by Sea

Before you compare quotes, it's worth understanding the full UK price picture for loft conversion and how Shoreham by Sea 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 โ€” drawn from real project data across 519 UK towns.

Read the loft conversion cost guide โ†’

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 โ†’

Planning Permission for Loft Conversion in Shoreham by Sea

Find out whether your loft conversion needs planning permission in Shoreham by Sea, 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 โ†’

More homeowner resources: all UK building guides, cost guides, planning permission, comparisons, how-to guides and industry insights.

Get Free Loft Conversion Quotes in Shoreham by Sea Today

Tell us about your project and we'll match you with 3 vetted loft conversion specialists in Shoreham by Sea. Free, no-obligation, no spam โ€” results in 24 hours.

๐Ÿ›๏ธPlanning permission for Loft Conversion in Shoreham by Sea?Check whether your project needs permission before you start — read our 2026 planning guide →
๐Ÿ’ฌ Not sure about something? Ask a building expert
Planning permission, costs, building regs, choosing a trade โ€” free answers from our editorial team, published for other homeowners too.
Ask a free question →