How Much Does a House Extension Cost in Coventry?

By the Property Maintenance Coventry team• 2026-08-29• 6 min read
The quick answer

Wondering about Extension cost coventry? House extensions in Coventry run about £1,500–£2,500 per m² — roughly £20,000–£60,000 for a single storey, averaging around £30,700. Prices vary with the size and condition of your property, which is why we always quote free and fixed after a site visit. This guide breaks down the real numbers and how to avoid overpaying.

Key takeaways
  • House extensions in Coventry run about £1,500–£2,500 per m² — roughly £20,000–£60,000 for a single storey, averaging around £30,700.
  • The final price is driven mostly by the size, access and condition of your property — not the headline rate.
  • Always insist on a free, fixed written quote after a proper survey, with insurance and a workmanship guarantee.
  • For a same-week survey across Coventry, book a free survey or call 0786 5778332.

What extension cost coventry actually involves

In plain terms, extension cost coventry is part of keeping a Coventry property safe, watertight and worth more — done by a qualified, insured local team. This guide focuses on the practical decisions that decide whether the work lasts and represents good value.

For Coventry homeowners the practical question is rarely "what is it" — it is "what will it cost, how long will it take, and who can I trust to do it properly". This guide answers all three without the sales spin.

If you are weighing up related work at the same time, it is worth reading about builders in Coventry too — homeowners often tackle both together and save on access, scaffolding or a single visit.

How much it costs in Coventry — the honest ranges

Prices online are often wishful. Here are the real working ranges we see across Coventry in 2026:

JobTypical Coventry guide priceNotes
Build cost£1,500–£2,500 per m²Spec dependent
Single-storey extension£20,000–£60,000Size & finish dependent
Double-storey extension£100,000+Larger projects
Average project~£30,700Across typical jobs

Typical Coventry guide prices for 2026 — every job is confirmed with a free, fixed written quote. E&OE.

Three things move the final figure most: the size and access of your property, the materials you choose, and the condition of what is already there. That is exactly why we survey first and then give a fixed written quote — so there are no surprises at the end. For related pricing, see loft conversions in Coventry.

When you need extension cost coventry (and when it can wait)

It is worth acting sooner rather than later if any of these are true:

  • You can see active damage — water ingress, movement, cracking or rot — that will spread if ignored.
  • The problem affects safety, security or the weather-tightness of your home.
  • You are planning to sell, remortgage or let the property and need it presentable and compliant.
  • A small, cheap fix now prevents a large, expensive repair later.

If it is purely cosmetic and the structure is sound, it can usually wait for the right season or budget — we will tell you honestly which camp you are in during a free inspection.

What good work looks like

Whoever you use, the job should tick these boxes:

  1. A proper survey first. No one should quote a real number without seeing the property.
  2. A fixed, itemised written quote. You should know what is — and is not — included before you commit.
  3. The right materials for the job, not the cheapest that will pass a glance.
  4. Tidy, considerate working and a full clean-up at the end.
  5. A workmanship guarantee and insurance you can actually check.

If a firm resists any of these, treat it as a warning sign. You can read more about how we work on about Property Maintenance Coventry.

Mistakes Coventry homeowners keep making

  1. Choosing on headline price alone. The cheapest quote often skips preparation — and preparation is where lasting work is won or lost.
  2. Not getting it in writing. A verbal "rough price" is where disputes are born.
  3. Ignoring the small stuff. A £150 repair left for a year becomes a four-figure one.
  4. Hiring whoever can start tomorrow. Good trades are usually booked a little ahead — that is a good sign, not a bad one.
  5. Using a different firm for every job. One accountable local team that knows your property saves money and hassle over time.

For more on avoiding overpaying, see a free, no-obligation quote.

How to choose the right tradesperson

Use a simple five-step process and you will rarely go wrong:

  1. Check they are local and established. A real Coventry base, real reviews and real references.
  2. Confirm insurance and qualifications. Public liability cover as standard; trade-specific certification where it matters (for example NICEIC for electrics).
  3. Get it surveyed and quoted properly. Free, fixed and in writing.
  4. Ask about guarantees. Workmanship warranties and aftercare separate the serious from the cheap.
  5. Trust the conversation. Clear answers in plain English beat pressure and patter every time.

Hold any firm to that list — us included. You can see exactly how our home extensions in Coventry measure up, from qualifications and insurance to guarantees and reviews, before you commit a penny.

Planning permission and building regs, simply explained

Two separate things trip people up:

  • Planning permission — many extensions and loft conversions are permitted development, but size, height and conservation areas change that.
  • Building Regulations — these almost always apply to structural work, and are about safety, not appearance.

We assess both at survey stage and handle the applications and building-control sign-off where they are needed, so you are never left guessing. See home extensions in Coventry for more.

What to expect: a realistic timeline

StageWhat happensTypical timing
EnquiryFree call or visit bookedSame day
SurveyOn-site assessment and honest adviceWithin 48 hours
Fixed quoteWritten, itemised, no obligation1–3 days
SchedulingAgree a start date and order materialsUsually 1–2 weeks
The workCarried out by one accountable teamVaries by job
Sign-offWalkthrough, full clean-up and guaranteeOn completion

Urgent and emergency jobs jump the queue — we aim to make a property safe and weather-tight within 24 hours where needed.

Frequently asked questions

How soon can you start work in Coventry?

For most jobs we can survey within 48 hours and start within one to two weeks once the quote is agreed. Urgent and emergency work — active leaks, electrical faults, storm damage — is prioritised, and we aim to make a property safe and weather-tight within 24 hours.

Is the quote really free and fixed?

Yes. We inspect the property, then give a clear, itemised written quote with no obligation and no hidden costs. The price you agree is the price you pay, barring genuine unforeseen work we would always discuss with you first.

How much does extension cost coventry cost?

House extensions in Coventry run about £1,500–£2,500 per m² — roughly £20,000–£60,000 for a single storey, averaging around £30,700. Final pricing depends on the size, access and condition of your property, which is why we quote free and fixed after a visit.

Are you qualified and insured?

Every tradesperson is fully qualified, insured and experienced to current industry standards, with trade-specific certification where it matters (for example certified, Part P electricians). Workmanship is guaranteed as standard.

Which areas of Coventry do you cover?

We cover all of Coventry and the surrounding West Midlands — including Earlsdon, Coundon, Cheylesmore, Finham, Tile Hill, Allesley, Canley, Stoke, Wyken and every neighbourhood in between — as one accountable local team.

Thinking about extension cost coventry?

See exactly what's included, recent work and reviews — then book a free, fixed quote.

View home extensions in Coventry

Need help with extension cost coventry?

Property Maintenance Coventry covers roofing, building, electrical, extensions, lofts, landscaping, rendering and roofline across Coventry — one accountable local team, free fixed quotes, no hidden costs.

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