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Staircase and hallway refurbishment completed by RenovationPlanltd

Building work · Great Dunmow

Builders in Great Dunmow

Every job we run in Great Dunmow starts with the parts you never see again: foundations dug to the depth the ground actually needs, steels sized by an engineer with padstones and fire protection, and a weathertight roof before a single plasterboard sheet arrives. Finishes are the easy part once the shell is right.

48 five-star reviews 25+ years since 2001 £5m public liability Fixed written quotes

Structure first, finishes last

Every job we run in Great Dunmow starts with the parts you never see again: foundations dug to the depth the ground actually needs, steels sized by an engineer with padstones and fire protection, and a weathertight roof before a single plasterboard sheet arrives. Finishes are the easy part once the shell is right.

The CM6 building stock

Great Dunmow is a market town of listed timber-framed houses in the centre, Victorian brick terraces and a large ring of modern estate housing. We survey what is actually there — wall construction, floor build-up, drain runs and roof type — and price from that, so the quote reflects your house instead of a generic square-metre rate.

One team, one programme

You deal with Gabriel from the first site visit to the final snag. Trades are sequenced in writing — groundwork, structure, roof, first fix, plaster, second fix, decoration — so nobody arrives to a job that is not ready and the Great Dunmow programme does not quietly drift by a month.

Building control and paperwork

Building regulations approval, structural calculations, party wall notices where a shared wall is involved and Uttlesford District Council conditions are all handled as part of the job. You get the inspection sign-offs and certificates at the end, which is exactly what a solicitor asks for when you sell.

Building work across Great Dunmow

Great Dunmow is about twenty minutes from Bishop’s Stortford, so CM6 jobs are day-in day-out attendance with no gaps between trades. Small structural jobs run one to two weeks, a single-storey extension eight to twelve, and a full refurbishment two to four months.

Rear extension with roof lantern and bifold doors built by RenovationPlanltd near Great Dunmow
Rear extension with roof lantern and bifold doors built by RenovationPlanltd near Great Dunmow
Open-plan living area with island and herringbone flooring completed by RenovationPlanltd
Open-plan living area with island and herringbone flooring completed by RenovationPlanltd

What you get

Included as standard

GroundworkTrial holes where needed, foundations to the depth the ground and trees require, heave protection and new drainage runs with proper access
StructureEngineer-designed steels and padstones, propping to a written sequence, cavity trays and insulated cold-bridge details
RoofWarm flat roof with a single-ply or GRP finish, or a pitched roof matched to the existing tile, with lanterns and roof lights flashed properly
First fixFull rewire or new circuits, plumbing and heating to current regulations, MVHR or extract ventilation where required
FinishingSkimmed walls, hardwood or engineered floors, joinery, tiling and decoration by the same team that built the shell
HandoverBuilding control sign-off, structural calculations, certificates, manufacturer warranties and a snag list closed out before final payment

Prices

What building work normally costs

Single-storey rear extension (shell + standard finishes)£1,700 – £2,300 per m²
Two-storey side or rear extension£1,900 – £2,500 per m²
Structural opening with steel beam£2,400 – £4,800
Loft conversion with dormer and staircase£38,000 – £62,000
Garage or outbuilding conversion£14,000 – £26,000
Full house refurbishmentfrom £68,000

Rates cover labour, plant and standard materials for the shell and finishes described. Kitchens, sanitaryware, glazing and flooring are quoted as their own lines so you can choose the specification freely. Groundwork depth, drainage diversions and steelwork are itemised separately because they are the items that vary most from house to house — pretending otherwise is how builders end up asking for more money halfway through.

Local detail

Building work across Great Dunmow and the surrounding CM6 postcodes

Timber frame and lath and plaster

The historic core of CM6 is timber-framed with lime plaster and clay-tiled roofs. Sealing that up with cement and plastic membranes traps moisture and rots the frame, so we specify breathable build-ups and price the slower labour honestly.

Modern estate extensions

The newer estates ringing Dunmow are tight-plot cavity masonry with trussed roofs and shallow drainage. Extensions here almost always need a build-over agreement, which we price in from the survey rather than mid-build.

Rural plots and services

Outlying CM6 properties often run on private drainage, oil heating and long service runs. We check treatment plant capacity and service routes before pricing, because a new bathroom or extension can push a small system past its limit.

Towns and villages covered

Questions

What people ask before booking

What does an extension cost in Great Dunmow?

A single-storey rear extension in CM6 typically runs £1,700 to £2,300 per square metre for the shell and standard finishes, with kitchens, bathrooms and glazing priced separately. Groundwork, drainage and steelwork are itemised so you can see where the money goes.

Do you give fixed prices or estimates?

Fixed written prices, itemised stage by stage, once we have drawings or a measured survey. Where something genuinely cannot be known until the floor comes up we say so and set a provisional sum rather than hiding it in the total.

Are you insured and do you offer a guarantee?

Yes — public liability insurance, and a workmanship guarantee on structural and finishing work. Manufacturer warranties on windows, roofing and boilers are passed to you with the completion paperwork.

How soon can you start in Great Dunmow?

Lead time for Great Dunmow building work is currently around four to eight weeks for larger projects, and smaller structural jobs can often fill a slot sooner. Sending drawings early is what secures a date.

Do you handle planning and drawings?

We work with architects and structural engineers we trust and can introduce you, or build from drawings you already have. We check consented drawings against what will actually build on site — including Uttlesford District Council conditions — before pricing.

Can we live in the house while you build?

Usually, yes. We seal the working zone with dust protection, keep a clean route through the house, maintain water and heating wherever possible, and give you a weekly plan of what happens next.

Will you take on work another builder abandoned?

Regularly, and we see it in Great Dunmow more than you would think. We survey what has been done, tell you honestly what has to come out and what can be kept, then price the finish as a fresh job with its own guarantee.

Do you build the whole job or subcontract it out?

Our own team does the structure, carpentry, tiling and finishing. Specialists we have used for years cover electrics, gas and structural engineering, and they are managed by us on a Great Dunmow site rather than left to arrange themselves.

Not answered here? Send a photograph and a postcode on WhatsApp and you will normally get a straight answer the same day.

Proof

Jobs like this, finished and paid for

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Get a fixed building price for your Great Dunmow project

Send your drawings, or photographs and rough dimensions if you do not have any yet. Gabriel will visit, tell you what the job genuinely involves and price Great Dunmow work in writing, stage by stage, with no surprises on the final invoice.

Prefer to talk? Call 07578 797937 or WhatsApp — photos get you a faster answer than any form.

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