Professional single storey extension service in Chelmsford

Single Storey Extension in Chelmsford

Find trusted extension builder professionals for single storey extension in Chelmsford, Essex. Compare free quotes from vetted, insured professionals in the CM postcode area.

Average cost: £15,000–£40,000· Vetted & insured professionals · Escrow-protected payments

Get Free Single Storey Extension Quotes in Chelmsford

Post your job in 2 minutes and receive up to 5 quotes from vetted extension builder professionals in Chelmsford.

Post a Job for Free

About Single Storey Extension in Chelmsford

Rear, side and wrap-around single storey extensions under permitted development. Whether you need single storey extension for your home or commercial property in Chelmsford, TradeMatch connects you with qualified professionals who have been background-checked and carry verified public liability insurance.

Chelmsford homeowners typically pay £15,000–£40,000 for single storey extension, though costs vary based on the scope of work, materials required, and access to the property. Post your job with details and receive accurate, personalised quotes from up to 5 local extension builder professionals.

Vetted & background-checked professionals in Chelmsford
Public liability insurance verified
Escrow-protected payments
Reviews from real Chelmsford homeowners

Extension Builder Costs in Chelmsford

JobLowAverageHigh
Small job£80£200£400
Medium job£300£700£1,500
Large job£1,000£2,500£5,000
Consultation/survey£50£100£250
Emergency callout£80£150£300

Prices are UK averages for 2026 and may differ in Chelmsford. Get an accurate quote by posting your job on TradeMatch.

How to Hire for Single Storey Extension in Chelmsford

1

Describe Your Job

Tell us about your single storey extension project in Chelmsford. Include details about scope, materials and timing.

2

Receive Local Quotes

Get up to 5 free quotes from vetted extension builder professionals in the CM area.

3

Compare & Hire

Read reviews from Chelmsford homeowners, compare prices and hire with escrow-protected payments.

Single Storey Extension in Nearby Areas

Other Extension Builder Services in Chelmsford

Extension Builder completing single storey extension in Chelmsford

Single Storey Extension in Chelmsford — FAQ

How much does single storey extension cost in Chelmsford?

Single Storey Extension in Chelmsford typically costs £17,250–£46,000. Prices in Chelmsford, Essex vary based on the scope of work, materials, and access. Post your job free on TradeMatch to get personalised quotes from local extension builder professionals in the CM postcode area.

How do I find a trusted extension builder for single storey extension in Chelmsford?

TradeMatch UK has vetted extension builder professionals in Chelmsford who specialise in single storey extension. Every tradesperson is background-checked, holds verified insurance, and is reviewed by real homeowners. Post your job and compare up to 5 quotes. All payments are escrow-protected.

What qualifications should a extension builder for single storey extension have?

A qualified extension builder for single storey extension should hold: Relevant trade qualifications, Public liability insurance. The relevant regulatory body is Relevant trade association. TradeMatch verifies credentials before any professional can quote on single storey extension jobs in Chelmsford.

How long does single storey extension take in Chelmsford?

The duration depends on the scope of your single storey extension project. Most extension builder professionals in Chelmsford will provide a timeline with their quote. Post your job on TradeMatch with full details and you'll receive estimates including timescales from professionals in the CM area.

Are single storey extension quotes free on TradeMatch?

Yes. All quotes for single storey extension in Chelmsford on TradeMatch are completely free with no obligation. You only pay when you choose to hire, and payments are escrow-protected — funds are released only when you confirm the work is complete.

What guarantee should I expect for single storey extension in Chelmsford?

A reputable extension builder should offer a written guarantee of at least 12 months on labour for single storey extension. For larger projects, look for guarantees backed by Relevant trade association or an insurance-backed warranty. On TradeMatch, all Chelmsford professionals are vetted and payments are escrow-protected.

How many single storey extension quotes should I get in Chelmsford?

We recommend at least 3 quotes to ensure a fair price. TradeMatch lets you compare up to 5 free quotes from vetted extension builder professionals in Chelmsford. Don't automatically choose the cheapest — weigh reviews, qualifications and the detail in each quote.

What should a single storey extension quote include?

A good quote for single storey extension in Chelmsford should include: itemised labour and materials costs, start and completion dates, payment terms, VAT status, and any exclusions. On TradeMatch you can compare detailed quotes side by side from multiple vetted professionals in the CM area.

Can I get single storey extension done at weekends in Chelmsford?

Many extension builder professionals in Chelmsford work weekends, though they may charge 10–30% more for Saturday work and up to 50% extra on Sundays. On TradeMatch, specify your preferred dates when posting and local tradespeople who are available will quote accordingly.

Should I attempt single storey extension as a DIY project?

While minor tasks may be suitable for DIY, single storey extension typically requires professional expertise and proper certification. Incorrect work can create safety hazards, void insurance, and cost more to fix. Hiring a vetted extension builder through TradeMatch ensures the work meets building regulations and is covered by guarantee.

More Extension Builder Resources

Ready to Get Quotes for Single Storey Extension in Chelmsford?

Post your job free and compare quotes from vetted extension builder professionals in the CM area.

Get Free Quotes Now