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Rear extension with roof lantern and bifold doors built by RenovationPlanltd

Building work · Enfield

Builders in Enfield

Every job we run in Enfield starts with the parts you will 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 Enfield starts with the parts you will 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 EN1 to EN3 building stock

Enfield is mostly Edwardian bay-fronted terraces, interwar semis and a lot of loft and side-return conversions, and each of those wants a different approach. We survey what is there — wall construction, floor build-up, drain runs, roof type — and price from that, so the quote reflects your house rather than 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 turns up to a job that is not ready and the Enfield programme does not drift by a month.

Building control and paperwork

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

Building work across Enfield

Enfield is around thirty-five minutes south of Bishop's Stortford, so EN1 to EN3 work is booked as continuous days with materials delivered ahead of the trade that needs them. Small structural jobs run one to two weeks, a single-storey extension eight to twelve, and a full refurbishment two to four months.

Open-plan living and kitchen space with herringbone flooring by RenovationPlanltd
Open-plan living and kitchen space with herringbone flooring by RenovationPlanltd
New staircase and balustrade fitted during a loft conversion by RenovationPlanltd
New staircase and balustrade fitted during a loft conversion 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 Enfield and the surrounding EN postcodes in north London

Edwardian terraces in Bush Hill Park

Bay-fronted terraces here almost always want the same three things: side-return infill, a wider rear opening and a rebuilt utility. The limiting factors are the party wall on both sides and the drain running through the middle of the new floor, so both get resolved on paper first.

Loft conversions and dormers

EN1 to EN3 lofts convert well when the roof is a traditional cut roof; trussed roofs need a full structural redesign, not a bit of trimming. We set out head heights and the staircase landing early, because that is what decides whether a loft is a legal room or a storage space.

London borough logistics

Enfield jobs need skip permits, a materials plan and considerate working hours because the street is busy from seven in the morning. We agree deliveries, waste collection and the working pattern with you, and keep the frontage clear rather than turning the pavement into a yard.

Towns and villages covered

Questions

What people ask before booking

What does an extension cost in Enfield?

A single-storey rear extension in EN1 to EN3 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 any 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 Enfield?

Lead time for Enfield 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 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 is happening next.

Will you take on work another builder abandoned?

Regularly. We survey what has been done, tell you honestly what has to come out and what can be kept, and price the finish as a fresh job with its own guarantee.

Do you handle party wall matters in Enfield?

We build to the party wall award and give your surveyor the notice period they need. We do not start work on a shared wall until the award or a signed consent is in place.

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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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 Enfield work in writing, stage by stage, with no surprises on the final invoice.

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