House Refurbishment New Barnet

Whole-house refurbishments in New Barnet, every floor of the house renewed from the roof down, in the right order.

House refurbishment in New Barnet means renewing a freehold house across EN5 and EN4 without changing its plan. In the VOA statistical areas that cover New Barnet, East Barnet and Hadley Wood, houses make up 50% of homes, 15% terraced and 32% semi-detached or detached, and the age mix runs from Victorian terraces through interwar semis to post-war houses. We take the whole house through strip out, new wiring, pipework and heating, plaster, floors, joinery and decoration, for an owner moving in, a landlord re-letting the whole house or executors preparing a sale.

For New Barnet, published UK figures put a three-bed house refurbishment at £43,530 to £110,350, and London houses usually cost more, with a London architect allowing £1,800 to £2,200 per square metre before VAT (Checkatrade and Bradley Van Der Straeten Architects, 2026). GS Renovation Ltd, a building contractor based in Potters Bar, does the work in New Barnet: we renew the wiring, pipework, heating, plaster, floors and joinery of the whole house under one contract, and a registered electrician certifies the rewire.

Price guide

WorkIndicative range
Three-bed house refurbishment, UK average£43,530 to £110,350
Non-structural house refurbishment in London, per square metre, excluding VAT£1,800 to £2,200 per square metre
Full rewire, two-bed to five-bed house£4,500 to £10,500
New heating system, three-bed house£3,000 to £8,500
Re-skim walls and ceilings, three-bed house£5,000 to £12,500

Indicative ranges from published cost guides (Checkatrade, Bradley Van Der Straeten Architects and MyJobQuote, 2026), not a quotation. Most are UK-wide figures and London work usually costs more; a row marked London is a London figure. Prices checked September 2026. Full breakdown: House Rewire Cost.

Quick estimate from UK guide figures

Guide range: choose above

A ground floor room refurbished by GS Renovation, freshly plastered, with engineered oak boards being laid
The plaster finished and dry before the new boards go down, with an expansion gap left at every wall.

Which New Barnet houses need a full refurbishment

Across the wider VOA area that also takes in East Barnet and Hadley Wood, homes built before 1919 are 17% of the stock and those built between 1919 and 1939 are 32%. A house that comes up for refurbishment here may well be a Victorian terrace or an interwar semi. A Victorian house tends to have solid brick walls, lath and plaster ceilings and suspended timber ground floors. Those walls take lime or other breathable plasters, because a gypsum skim and cement render trap moisture and push damp further up the wall.

An interwar semi usually has a cavity wall, a hipped tiled roof and a bay at the front, with wiring and pipework that have been patched by several owners. The post-war houses bring their own list: early plastic cable, steel windows that have been replaced once already, and flat roofs over garages and porches. Asbestos is possible in textured ceilings and floor tiles of that era, so a refurbishment survey comes first. We survey each house on its own terms before a single ceiling comes down.

Housing in New Barnet

About 10,670 homes are listed for the New Barnet and Hadley Wood statistical areas, and the mix is 50% houses to 50% flats, with 52% built after 1945, 32% in 1919 to 1939 and 17% earlier. Since many homes here are flats, a whole house in New Barnet is refurbished as one building, roof down.

The order of works through a New Barnet house

A whole house refurbishment in New Barnet runs in a fixed order: strip out, repairs to the structure, first fix, plaster, second fix, then finishes. Strip out exposes the joists, the old cable runs and the pipe routes, and that is where the real scope shows itself. Rotten joist ends near old air bricks, a lintel cracked over a bay or a chimney breast removed without support all have to be put right before new services go in.

First fix is the new cable, pipework and heating runs while walls and floors are open. A registered electrician tests and certifies the rewire, and a registered gas engineer installs and commissions a new boiler. Replastering follows, then second fix: sockets, radiators, sanitaryware, doors and skirtings. Where the work is notifiable, such as new drainage or a replaced structural element, Barnet Council or a registered building control approver signs it off before we decorate.

Windows, front walls and conservation areas in New Barnet

Before you renew windows, doors or a front boundary on a New Barnet house, check whether the street sits in a conservation area. The national Planning Data service returns 16 conservation area results for the London Borough of Barnet. Inside one, an Article 4 direction can remove the permitted development rights that let you replace sashes, a front door or roof coverings, so that work needs planning permission. Your designer or agent confirms the position with the council.

Article 4 directions are drawn narrowly. Elsewhere in the borough, Barnet's direction in Glenhill Close Conservation Area, approved on 31 July 2002, covers the erection or alteration of a gate, fence, wall or other means of enclosure. That is not a New Barnet street, but it shows how specific these directions are, so a refurbishment that includes a new front wall or gate should be checked address by address. Where consent is needed, we build to the approved details and match the existing materials.

Living in a New Barnet house while it is refurbished

An empty New Barnet house is the quickest to refurbish, because every room can be stripped at once and the services can be off for days at a time. If you are living in it, the job is split into phases. We keep one bathroom and a basic kitchen running, work top down or room by room, and seal off the areas being stripped so dust stays where the work is.

Semi-detached and detached houses in New Barnet usually have a drive where a skip or bags can sit off the road. A terraced house on a street near Victoria Recreation Ground may have no off-street space, so a skip on the road needs a council permit and a bay suspension may be needed for deliveries. We time noisy work such as chasing and breaking out within the council's permitted hours and tell the neighbours before it starts.

  • Floorboard lifting, joist repairs and relaying on every floor
  • Consumer unit replacement, with earthing and bonding brought up to standard
  • Panelled doors eased and rehung, skirtings and architraves pieced in to match
Service areaNew Barnet · EN5 and EN4
Local authorityBarnet Council
Part ofNorth London (Outer London) · about 3 miles from our base
Typical homesPost-war flats and houses with interwar semis and some Victorian terraces
Housing stock17% built before 1919, 32% interwar, 52% post-war; 50% flats, 15% terraced, 32% semi-detached or detached, 3% bungalows
Also covered nearbyEast Barnet, Hadley Wood, Cockfosters, Totteridge and Whetstone

VOA Council Tax stock of properties, March 2025, for the New Barnet and Hadley Wood statistical areas, which also take in East Barnet and Hadley Wood. Counts rounded by the VOA.

Trusted House Refurbishment in New Barnet

We run a house refurbishment from strip out to handover with one site manager, so the rewire, the heating, the plasterer and the joiner follow each other in the right order. A registered electrician certifies the electrics and a registered gas engineer carries out the gas work. We agree the programme around your move, the next tenancy or the sale date, and you get a written quote after a site visit, with the certificates and building control sign off passed to you at the end.

  • Radiators, sockets and switches positioned at first fix, never after decorating
  • Fully insured, with cover in place on every site
  • First fix cabling on each floor inspected by the electrician before the walls are closed
30+ YearsFounder's experience
Fully Insured5 year guarantee
4.9 / 531 MyBuilder reviews
Building ControlCompliant
Free QuotesNo obligation
Reviews

Rated 4.9 / 5 by our clients

★★★★★ 4.9 average from 31 verified reviews on MyBuilder

★★★★★
George was a great find. The job required re-plastering the walls before fitting acrylic panels. He also re-plumbed the shower waste under the solid…
andrew_lackEnfield · via MyBuilder
★★★★★
I am very happy to recommend George after he completed the work on my 2 bathrooms. He worked very hard to make sure everything was completed and even…
hit10Enfield · via MyBuilder
★★★★★
The kitchen has been fitted to the high standard. Saaid was polite, professional, tidy, he pays attention to a little details that make huge…
khalid75711Barnet · via MyBuilder
Read all 31 reviews

FAQ

Frequently Asked Questions about House Refurbishment New Barnet

Why do house refurbishment quotes in New Barnet differ so much?

Because they rarely price the same work. One quote includes making good, the electrician's certificate for the rewire and the Gas Safe sign-off on a new boiler; another leaves them as extras. Published UK figures of £43,530 to £110,350 for a three-bed house (Checkatrade, 2026) are a floor for London work. Compare New Barnet quotes line by line rather than by the total.

How long does a full refurbishment of a New Barnet house take?

Usually a matter of months rather than weeks for a whole house, and longer when you live in it. A terrace is quicker than a large detached house, and an empty house quicker than an occupied one, because trades can work every floor at once. We give a written programme after the survey, from strip out to decoration, and update it once the walls and floors are open and the real scope is known.

Does a Victorian house in New Barnet need lime plaster?

Where the walls are solid brick, yes, breathable plaster is the right repair. In the wider VOA area covering New Barnet, East Barnet and Hadley Wood, 17% of homes were built before 1919, and their walls rely on drying out through the surface. Gypsum and cement renders trap that moisture. Lath and plaster ceilings that have sagged or been disturbed by a rewire are usually replaced rather than patched.

Do you need consent to replace windows on a New Barnet house?

Usually not, where the new windows are similar in appearance to the old, because householder permitted development covers them. An Article 4 direction in a conservation area can remove that right. Planning Data returns 16 conservation area results for the London Borough of Barnet, so check your street first. Your designer or agent confirms what consent is needed, and we fit to the approved design.

Can you stay in your New Barnet house during a whole house refurbishment?

Yes, if the work is phased. We keep a bathroom and a basic kitchen working, strip one area at a time and seal it off from the rooms you use. It takes longer than working in an empty house, because services have to be kept live around the work, and some days the water or power will be off.

Who certifies the rewire and new boiler on a house refurbishment?

A registered electrician tests and certifies the electrical installation, and a registered gas engineer installs, commissions and registers the boiler. We schedule both within the programme so the certificates are ready at handover. Any notifiable building work, such as a replaced beam or new drainage, is signed off separately by building control.

What does refurbishing a New Barnet house for probate or sale involve?

The scope is chosen with the executors or seller around the sale date. For an interwar semi or a Victorian terrace that has not been touched for decades, that usually means making the house safe, a new consumer unit or rewire, dealing with damp, a new kitchen and bathroom and full decoration. We price each item so you can drop what will not add value.

Does a landlord re-letting a whole New Barnet house need a better EPC?

Yes, where the rating is F or G. GOV.UK says that since 1 April 2018 private landlords may not let on new tenancies if the EPC rating is F or G unless an exemption applies. Since 1 April 2020 the E minimum has covered continuing lets too. A refurbishment between tenancies is the time to add loft insulation, draught proofing and better heating controls while floors are up.

Can a skip go on the road outside a New Barnet house?

Yes, with a skip permit from Barnet Council. Where the house has a drive, the skip can often sit there instead with no permit. On a narrow street we may use bags collected by grab lorry, which keeps the road clear and avoids a longer permit and a parking bay suspension.

Ready to Start Your New Barnet Project?

Free, no-obligation quote for house refurbishment in New Barnet.

We use these details only to respond to your enquiry. See our privacy policy.

Free, no-obligation quote. We reply within 24 hours. Or call 07472 424 226.

Call 07472 424 226Free quote