M & K
Call +44 20 8420 7167Listed byLocufy
Building contractor · London

M & K — builders in London

M & K is a family run groundworks and reinforced concrete contractor in London. Established in 1994, it has more than 30 years of experience and works on groundworks, basement structures, underpinning and reinforced concrete frames, with projects also delivered across the UK.

Londonarea
Locufy price guidetypical London prices shown
London & 15 kmHarrow, Watford, Hayes, Wembley…
Price guide

Typical building prices in London · Locufy price guide

The ranges are what London homes typically pay, from Locufy's price guides. They are not M & K's own prices. You can call M & K for its price.

Building & extensions

BuilderGeneral building work
£180–400per dayprice guide →
House extensionSingle or two-storey
£1,800–4,000per m²price guide →
Loft conversionAttic into a usable room
£30,000–95,000per projectprice guide →
Garage conversionGarage into living space
£10,000–30,000per projectprice guide →
Conservatory installerSupplied and built
£8,500–32,000per projectprice guide →
BricklayerWalls, piers and repairs
£200–380per dayprice guide →
GroundworksFoundations, drainage and levels
£2,500–15,000per projectprice guide →

Kitchens, bathrooms & interiors

Kitchen fitterUnits, worktops and appliances
£6,000–25,000per kitchenprice guide →
Bathroom fitterStrip out and full refit
£4,000–15,000per bathroomprice guide →
Wet room installerTanked and fully tiled
£5,000–15,000per roomprice guide →
TilerFloors and walls
£30–100per m²price guide →
PlastererSkimming and patch repairs
£200–700per roomprice guide →
Carpenter & joinerDoors, frames and fitted joinery
£180–400per dayprice guide →
Flooring installerWood, laminate and vinyl
£18–70per m²price guide →

Roofs, walls & windows

RooferPitched roofs and repairs
£150–2,000per jobprice guide →
Flat roofingFelt, rubber and fibreglass
£1,200–6,500per roofprice guide →
Roof repairSlipped slates and leaks
£150–1,000per repairprice guide →
Guttering installationNew gutters and downpipes
£400–1,600per jobprice guide →
Fascias & soffitsReplace rotten timber boards
£1,400–4,500per jobprice guide →
Window & double glazing installerSupplied and fitted
£350–1,500per windowprice guide →
Damp proofingSurvey and treatment
£500–4,000per jobprice guide →

Typical prices from Locufy's UK 2026 price guides — each guide explains what the job involves and what moves the price. Rendering and insulation installer are priced on survey.

About

About M & K

M & K is a family run groundworks and reinforced concrete contractor in London. Established in 1994, it has more than 30 years of experience and works on groundworks, basement structures, underpinning and reinforced concrete frames, with projects also delivered across the UK.

At a glance

Trade
Building and construction
Based
Harrow
Covers
London and 15 km around
Hours
Mon–Fri 8:00–18:00
Quotes
Written, free, no obligation
Reputation

How M & K is rated

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Locufy reviews come only from customers who completed a booking through Locufy. M & K cannot be booked on Locufy until it claims this page, so it cannot be reviewed here yet.

Reviewers earn Locufy reward points for any review, positive or negative.

Areas

London and the towns around it

Based in London, M & K works across the city and about 15 km around it.

  • London
  • Harrow
  • Watford
  • Hayes
  • Wembley
  • Southall
  • Uxbridge
  • Finchley
  • Cricklewood
  • Acton

Outside this area? Builders near you →

Questions

Before you book

What does M & K do?

M & K is a groundworks and reinforced concrete contractor. Its work covers groundworks, basement structures, underpinning and reinforced concrete frames, and its listed services also include frame construction, demolition and enabling and temporary works.

Where is M & K based?

M & K is based in London, and it has also carried out projects across the UK.

How long has M & K been operating?

M & K was established in 1994 and has more than 30 years of experience.

Get a written price from M & K

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M & K – Groundworks, Harrow | Reviews & Contact