House Extension
in Retford
Compare quotes from vetted Retford extension builders for single-storey, double-storey and rear extensions. Transparent pricing from £16,500. Free, no-obligation quotes — results in 24 hours.
- Vetted, insured house extension specialists in Retford
- Up to 3 free quotes — compare and choose with no pressure
- Transparent pricing, no hidden costs or surprise charges
- Work guaranteed, fully insured, trade-qualified contractors
How Much Do House Extension Cost in Retford?
Real prices from completed projects in Retford 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 →Retford pricing note: East Midlands building costs are broadly in line with the national average. Prices in Nottingham, Leicester and Derby are competitive, with good availability of vetted local contractors across the region. Prices shown are indicative ranges for Retford and East Midlands. Always get at least 3 written quotes before committing to any builder.
House Extension Specialists Who Know Retford
Home renovation activity in Retford continues to grow year on year. The area's varied housing stock, from older stone-built properties to new-build estates, means there is always strong demand for skilled, experienced local builders.
Before any builder appears on our Retford platform, we carry out a full vetting check covering public liability insurance, trade qualifications, company registration and verified customer feedback. Only builders who pass every stage are listed.
Our Retford builder network covers extensions, loft conversions, kitchens, bathrooms, roofing, driveways and more. Get up to 3 free, no-obligation quotes within 24 hours and choose the builder that best fits your project and budget.
Start My Free Quote →How It Works
Every Builder We Recommend Is:
What Retford Homeowners Say About Our House Extension Specialists
Full-width rear extension on our 1930s semi in Retford. 36m² split between dining space and a snug, with a window seat over the new radiators. Came to £95740 for the lot. Party wall agreement handled by their consultant - smooth process.
Compared four extension builders through BestBuilders for the Retford job. Mid-tier quote of £72620 won on the proper cavity tray detail. Internal openings cut on a Saturday so the rest of the family was barely disturbed. Total £103050 fully turnkey. Daily 5pm site walk with the foreman, weekly progress on the spreadsheet.
Nine months in and the rooflight has not leaked a drop, even in heavy rain. Builder we found via BestBuilders in Retford suggested moving the boiler to the new utility room - much quieter at night now. Total £82980. Insurance happy with the building control completion certificate.
House Extension in Retford — FAQs
Plan Your house extension Project in Retford
Whether you're researching costs, checking planning rules, or comparing approaches before you commit, our editorial team has produced these guides to help Retford 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 Retford
We also connect homeowners with vetted house extension specialists in towns surrounding Retford.
Planning Your House Extension in Retford
Before you compare quotes, it's worth understanding the full UK price picture for house extension and how Retford 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 Retford
Find out whether your house extension needs planning permission in Retford, 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.