House Rewiring
Barnet

Worried about outdated wiring, too few sockets or circuits that no longer suit your Barnet property? We check how period terraces & conversion homes and inter-war family houses affect retained wiring and new routes, then agree the necessary work before it starts.

NICEIC Registered Electrician · 15+ Years Experience · Full Certification Included · 5-Star Rated on Google

Your House Rewiring Worries Answered in Barnet

Worried about disruption, moving out, losing power or paying for more work than your home needs? Here is what we check and agree before rewiring starts.

House Rewiring in Barnet — N12, N20 & EN5

Barnet properties do not all present the same electrical layout. The survey separates Victorian & Edwardian Terraces from 1930s Semis & Detached Homes before the work is specified.

That distinction guides access, circuit testing and the written house rewiring scope without relying on unsupported assumptions about the address.

A recent example: an East Finchley Edwardian terrace pre-sale where 60% of circuits had original 1960s rubber-cloth wiring and the kitchen ring failed insulation testing. Full rewire issued — new ring main, dedicated kitchen and oven circuits, modern fittings — then a 12-way RCBO board with SPD, main bonding upgraded. Sale completed within 3 weeks of our first visit.

While we're already in your home

What Our Customers Say About Us

Real reviews from homeowners across North London. Live Google reviews below — for all 388+ reviews across Google, Checkatrade and MyBuilder, see our testimonials page →

Book Your Free House Rewire Survey

Tell us about your property and we'll arrange a free no-obligation survey — fixed price quote before any work begins.

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NICEIC Registered

Rewires are designed, installed and tested to the current requirements of BS 7671, with the applicable certification and Building Regulations documentation.

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Fixed Price Quote

Free site survey, then a fixed price quote — no hourly billing, no surprise extras. You see the full scope before any work begins.

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Minimal Disruption

We work room by room to keep disruption to a minimum — most 3-bed rewires complete in 3–5 days with the property occupied.

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From £2,500

Partial rewires from £2,500. Full house rewires priced after survey. Always honest, always fixed.

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Signs Your Barnet Home Needs Rewiring

Many homes in Barnet (EN1 and EN2) were built between the 1930s and 1970s. Many still have outdated wiring that poses a real safety risk. Here's what to look out for.

⚠ Urgent

Tripping Fuses or Circuit Breakers

If your fuse box trips regularly — especially when using multiple appliances — your wiring can't handle modern demand. One of the most common signs we see in EN1 and EN2 properties.

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⚠ Urgent

Burning Smells or Scorch Marks

Any burning smell from sockets, switches or your fuse board is a serious warning sign. Scorch marks around sockets indicate arcing — a major fire hazard needing immediate attention.

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⚠ Urgent

Flickering or Dimming Lights

Lights that flicker or dim when you switch on appliances suggest loose connections or wiring struggling under load — signs of deteriorating electrical installation.

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Old Round Pin Sockets or Rubber Wiring

Round pin sockets, brown or black rubber-coated cables, or cloth-wrapped wiring are signs of pre-1960s installation. These must be replaced — dangerous, not just outdated.

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Not Enough Sockets

Relying on extension leads throughout the house means your wiring wasn't designed for modern life. Especially common in Victorian and Edwardian properties across EN1 and EN2.

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Failed EICR or No Certificate

A recent EICR in Barnet with a C1 or C2 code, or no certificate at all, means a rewire is often the most cost-effective solution over multiple repairs.

How We Complete Your House Rewire

Professional rewiring from start to finish. Most 2-3 bedroom houses take 5-7 days, while partial rewires can be completed in 1-3 days depending on scope.

1–3
Weeks On-Site
BS 7671
18th Ed Compliant
12mo
Workmanship Guarantee
£2,500
From (1–2 bed)

House Rewiring Pricing

Quick reference for Barnet borough homeowners. Fixed quotes given after a free site survey.

📊 Detailed Pricing

House Rewire Cost Guide — North London 2026

Pricing by property size, age, and component, plus real case studies and payment stages.

View Full Cost Guide →

House Rewiring Planning for Barnet Property Types

Four property situations that change routes, disruption and the practical scope in Barnet.

Swipe to explore all property types

Need a house rewiring quote in Barnet?

House Rewiring Across Barnet Borough

We rewire properties across the London Borough of Barnet — from East Finchley in the south to Edgware and Mill Hill in the north. Tap your area or call 07932 772050 for a free survey.

Finchley North Finchley East Finchley Friern Barnet New Southgate Arnos Grove Highgate Whetstone Totteridge Hendon Mill Hill Edgware

House Rewiring Questions for Barnet

Property-specific questions for Barnet, followed by practical answers about house rewiring.

What does a house rewire cost in Barnet?

Our Barnet rewire pricing:

  • Partial rewire (1-2 zones, kitchen + ground floor, or upstairs only): from £2,500
  • 2-3 bed full house rewire: £4,500-£6,500
  • 4+ bed / period property full rewire: £7,500-£12,000+

Pricing depends on property age, accessibility (solid floors / concealed runs), scope of consumer unit, and HMO requirements. Every quote is fixed-price after a free site survey — no day rates, no surprise bills.

What rewire issues are typical on Barnet 1930s detached homes?

Most Barnet 1930s detached homes (Whetstone N20, Mill Hill NW7, Hendon NW4) we test or rewire share three recurring issues:

  • 1960s/70s aluminium or rubber-insulated cable on socket circuits — automatic C2 fail at EICR, replace on rewire.
  • Old VIR rubber-insulated cable in lofts that's gone brittle — borderline C1/C2, fire risk where loft insulation has been added on top.
  • Shared neutral conductors between bathroom and ground-floor circuits (older borrowed-neutral practice, now C2).

Properties rewired in the last 15-20 years typically only need a partial rewire to bring up to current 18th edition (Amendment 2). Full rewire is needed where the original 1960s rewire is still in place across the bulk of the property.

I run an HMO in New Southgate N11 — what's different about an HMO rewire?

HMO rewires in N11 (and Friern Barnet, both under Barnet Council additional licensing) carry stricter requirements than a single-dwelling rewire:

  • Interlinked smoke and heat alarms to BS 5839-6 Grade D LD2 with battery backup (a licensing requirement)
  • Emergency lighting on escape routes to BS 5266-1 where required
  • Fire-rated downlights in ceilings forming part of the fire compartmentation
  • AFDDs (Arc Fault Detection Devices) on bedroom and high-risk circuits
  • Per-letting-room circuit testing and certification on completion — not sampled

We deliver the full landlord certification pack (EIC, EICR, alarm cert, EI4 emergency lighting cert) ready for Barnet Council licence renewal. Most 5-6 bedroom HMO rewires take 8-12 days.

My EICR failed on a Mill Hill NW7 property — does that mean I need a full rewire?

Almost never. Of the EICR fails we see across Barnet, fewer than 1 in 8 actually need a full rewire — most are 2-4 specific remedials.

Common Mill Hill / Whetstone fails:

  • Missing RCD on a shower circuit: £180-280
  • Borrowed-neutral fix between two circuits: £250-400
  • Perished VIR cable in one specific zone (loft or extension): £400-900 partial recable
  • Missing main bonding to gas/water: £180-260

The C1/C2 codes on your report tell you exactly what's legally required to fix. C3 observations are recommended, not legally required. We'll give a fixed-price quote for the remedial work and re-issue the certificate as satisfactory once done — no need to rewire the whole property.

How long does a rewire take, and can I live in the house with kids or pets while it's happening?

Typical timings:

  • Partial rewire (1-2 zones): 1-3 days
  • 2-3 bed full house: 5-7 days
  • 4+ bed full house: 6-10 days
  • Period property with feature retention: 7-12 days
  • HMO (5-6 bed): 8-12 days

You can stay in the house during the work but it's disruptive — no power for 4-6 hours per day in the room being worked on, dust, occasional drilling, walls and floors temporarily exposed. Most families with kids choose to stay elsewhere for the noisy first-fix days (2-3 days) and return for second-fix and snagging. Pets are fine but best kept away from the work zone.

Can I do a partial rewire — just the kitchen, ground floor, or consumer unit?

Yes — partial rewires are common and often the right call when only specific circuits or zones are failing. Typical partial scopes we quote:

  • Kitchen rewire only: new ring main, dedicated circuits for oven/hob/dishwasher, additional sockets for the new layout. From £950.
  • Ground floor only: lounge, kitchen, hallway, downstairs cloakroom. Typical cost £1,500-£2,500.
  • Consumer unit upgrade only: new RCBO board with SPD, no other circuits replaced. From £800.
  • EICR remedial work: targeted replacement of failed circuits. Quote depends on the specific remedials.

The honest answer: if your EICR has multiple C2 codes spread across most circuits, a full rewire often works out cheaper than fixing each remedial individually. We'll quote both options after a free site survey so you can choose.

Need a House Rewire in Barnet?

Honest, fixed-price quotes after a free survey. NICEIC-Registered, fully certified, and finished tidy — ready for decoration. Covering Barnet N12, N20, EN5 and surrounding areas.

From £2,500 Free site survey Full certification 12-month guarantee
Call 07932 772050 Request free survey
5-Star Rated · Fully Insured · NICEIC D609991