House Extension
in Preston
Compare quotes from vetted Preston extension builders for single-storey, double-storey and rear extensions. Transparent pricing from £15,000. Free, no-obligation quotes — results in 24 hours.
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How Much Do House Extension Cost in Preston?
Real prices from completed projects in Preston 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 choice for UK terraces and semis. Adds a kitchen-diner or extra living space at ground level. Typically 3–5m deep, completed in 10–14 weeks.
Get quotes for this →Maximum space gain in a single build — adds a ground-floor room and a bedroom above. Strong ROI in most UK property markets. Requires full planning permission.
Get quotes for this →Ideal for terraced homes with a narrow side alley. Transforms a cramped kitchen into a full-width open-plan space. Often combined with a rear extension.
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 →Preston pricing note: North West England (Manchester, Liverpool, Lancashire) prices sit around 5% below the national average. Strong contractor availability keeps competition healthy and quotes competitive, particularly outside peak summer season. Prices shown are indicative ranges for Preston and North West. Always get at least 3 written quotes before committing to any builder.
House Extension Specialists Who Know Preston
Preston 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 Preston 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 Preston, 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 Preston Homeowners Say About Our House Extension Specialists
Wraparound extension on our 1980s estate house in Preston. New floor finished with engineered oak running through to the original house. Came in at £92300 with bi-folds and lantern. CIAT-registered architect on retainer for the planning drawings.
Compared four extension builders through BestBuilders for the Preston job. Highest-priced quote actually had the cheapest spec - the breakdown made it obvious. Site set up properly with welfare unit, fenced safely, neighbours kept informed. £109540 fully turnkey. Building control sign-off straightforward, no comeback.
A year in, the underfloor heating runs the new space at zero heating cost from solar. Builder we found via BestBuilders in Preston pushed for an MVHR install at the same time - condensation simply not a problem. Total £76680. EPC went up two bands - the new envelope spec made a real difference.
House Extension in Preston — FAQs
Plan Your house extension Project in Preston
Whether you're researching costs, checking planning rules, or comparing approaches before you commit, our editorial team has produced these guides to help Preston homeowners make informed decisions about their house extension project.
House Extension Cost Guide
Detailed UK price ranges, regional adjustments and worked examples for house extension projects.
Read House Extension Cost Guide →All House Extension Specialists
Browse our nationwide network of vetted house extension contractors covering all 519 UK towns.
Browse House Extension Specialists →All Cost Guides
Compare prices across extensions, lofts, kitchens, bathrooms, roofing, driveways and solar projects.
View All Cost Guides →Planning your house extension project? Read these guides:
House Extension Near Preston
We also connect homeowners with vetted house extension specialists in towns surrounding Preston.
Planning Your House Extension in Preston
Before you compare quotes, it's worth understanding the full UK price picture for house extension and how Preston sits within it. The guides below cover average costs, what affects your quote, and how to choose a builder you can trust.
UK House Extension 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 house extension cost guide →House Extension Across the UK
Browse house extension services nationwide, see what's typical in your region, and request quotes from any UK location.
Visit the UK house extension hub →Planning Permission for House Extension in Preston
Find out whether your house extension needs planning permission in Preston, what Permitted Development limits apply, and how rules differ in conservation areas, Article 4 zones, and listed-building settings.
Read the house extension planning rules →More homeowner resources: all UK building guides, cost guides, planning permission, comparisons, how-to guides and industry insights.