Atherton ยท House Extension

House Extension
in Atherton

Compare quotes from vetted Atherton extension builders for single-storey, double-storey and rear extensions. Transparent pricing from ยฃ15,000. Free, no-obligation quotes โ€” results in 24 hours.

  • Vetted, insured house extension specialists in Atherton
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  • Transparent pricing, no hidden costs or surprise charges
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Vetted House Extension Specialists
1,200+ Verified Reviews
Minimum ยฃ2m Insurance
Free No-Obligation Quotes
Local Atherton Experts
90+
House Extension Specialists in Atherton
4.9
Average Star Rating
360+
Projects Completed in Atherton
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How Much Do House Extension Cost in Atherton?

Real prices from completed projects in Atherton 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†’
Single-storey extension
Rear or Side-Return Extension
£ 23,000 โ€“ £47,000

The most popular choice for UK terraces and semis. Adds a kitchen-diner or extra living space at ground level. Typically 3โ€“5m deep, completed in 10โ€“14 weeks.

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Double-storey extension
Full Double-Storey Rear Extension
£ 47,000 โ€“ £85,000

Maximum space gain in a single build โ€” adds a ground-floor room and a bedroom above. Strong ROI in most UK property markets. Requires full planning permission.

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Side Extension
Side-Return or Infill Extension
£ 15,000 โ€“ £35,500

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.

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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.

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Atherton 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 Atherton and North West. Always get at least 3 written quotes before committing to any builder.

House Extension Specialists Who Know Atherton

Atherton has a thriving home improvement market driven by a strong local economy and a mix of Victorian terraces, post-war housing and contemporary developments. Finding the right builder is key to any successful project.

Every builder in our Atherton network is thoroughly vetted before joining BestBuilders. We verify insurance cover, check trade memberships with bodies such as the FMB and CIOB, and require a minimum of five real customer reviews.

From a small bathroom refurbishment to a major double-storey extension, our vetted Atherton builders cover the full range of residential projects. Request your free quotes today and compare options before making any decisions.

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How It Works

1
Tell us your project
Describe your house extension project and postcode. Takes 60 seconds.
2
We match you instantly
We send your brief to up to 3 vetted house extension specialists in Atherton.
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 Atherton Homeowners Say About Our House Extension Specialists

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Two-storey side extension on our 1990s semi in Atherton. 40mยฒ open-plan family room with sliding doors out to the garden. ยฃ78580, staged invoicing against milestones. Party wall agreement handled by their consultant - smooth process.

Cal W.
Atherton
House Extension
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Compared four extension builders through BestBuilders for the Atherton job. Picked the team that took the time to come back twice with revised drawings. Site set up properly with welfare unit, fenced safely, neighbours kept informed. Came to ยฃ91380 all-in, including bi-folds and lantern. Daily 5pm site walk with the foreman, weekly progress on the spreadsheet.

Idris F.
Atherton
House Extension
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Eighteen months on, the bi-folds open every weekend and have not dropped on the runners once. Builder we found via BestBuilders in Atherton pushed for an MVHR install at the same time - condensation simply not a problem. Total ยฃ68280. Insurance happy with the building control completion certificate.

Iolanda O.
Atherton
House Extension

House Extension in Atherton โ€” FAQs

Builder day rates in Atherton typically range from ยฃ150 to ยฃ320 per day depending on the trade and project type. A single-storey extension typically costs ยฃ23,000 to ยฃ47,000 in Atherton. Get 3 free quotes to compare accurate prices for your specific project.
Many home extensions in Atherton fall under Permitted Development rights, meaning planning permission is not required. However, you will need to apply to the local planning authority if your property is listed, in a conservation area, or if the extension exceeds permitted development size limits. Our builders can advise during your free quote.
Through BestBuilders, you will typically receive your first quotes within 24 to 48 hours. Most Atherton builders in our network can begin projects within 2 to 8 weeks, depending on the time of year and project size. Summer is the busiest season so booking earlier is advisable.
Yes. Every builder in our Atherton network is vetted before joining. We verify public liability insurance (minimum ยฃ2m cover), trade qualifications, company registration and a minimum of 5 verified customer reviews. Builders with a sustained pattern of negative feedback are removed from the platform.
Autumn and winter are generally the best times to hire builders in Atherton as demand is lower and you may have more flexibility on price and start dates. Spring and summer are peak season with longer waiting times. That said, quality builders in Atherton stay busy year-round.

Plan Your house extension Project in Atherton

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

All House Extension Specialists

Browse our nationwide network of vetted house extension contractors covering all 519 UK towns.

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All Cost Guides

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

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Planning your house extension project? Read these guides:

House Extension Near Atherton

We also connect homeowners with vetted house extension specialists in towns surrounding Atherton.

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Planning Your House Extension in Atherton

Before you compare quotes, it's worth understanding the full UK price picture for house extension and how Atherton 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 โ€” drawn from real project data across 519 UK towns.

Read the house extension cost guide โ†’

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 โ†’

Planning Permission for House Extension in Atherton

Find out whether your house extension needs planning permission in Atherton, 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 โ†’

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

Get Free House Extension Quotes in Atherton Today

Tell us about your project and we'll match you with 3 vetted house extension specialists in Atherton. Free, no-obligation, no spam โ€” results in 24 hours.