22 Best Plumbers in Harrow for 2026

Bathroom installations, shower fitting, and boiler work form the core of PMD Plumbers' offer in Harrow, alongside leak detection, drain jetting, and power flushing for central heating systems. The business carries a 4.9 rating across 453 Google reviews, pointing to consistent results across a broad range of domestic plumbing jobs. Emergency callouts are available, making them a practical option when problems arise outside regular hours.

Families across Harrow call on Handy Pros service for leaks, blocked drains and general plumbing repairs that can't wait. The HA5 3HR firm has built a steady local following, reflected in a 4.9 rating from 168 reviews. Jobs are booked directly through their website, making it straightforward for households to arrange a visit.

Bathroom and kitchen installation, boiler work, and central heating are the core services offered by J&L Plumbing & Heating LTD, which also covers emergency callouts across Harrow. The company holds a 4.8 rating from 93 Google reviews, pointing to consistent reliability across both planned installations and urgent repairs.

Plumbing and heating work across Harrow and the surrounding area is the focus of Peter Brown Plumbing & Heating Contractors. The firm handles both residential and commercial jobs, covering installation, repairs, and general maintenance. Based in HA1, it serves clients across the borough and neighbouring areas of north-west London.

Boiler installations, heating maintenance, and emergency repairs are the core work at Plumb It, a Gas Safe registered plumbing service based in Harrow. The company holds a five-star rating across 47 Google reviews. It covers domestic plumbing and gas work in the HA7 area and surrounding neighbourhoods.

Families across Harrow rely on Amber Plumbing & Heating for boiler repairs, leaks and general plumbing work around the home. The firm has built a five-star record from 34 reviews, reflecting consistent care taken over jobs both routine and urgent. Its HA2 base keeps response times manageable for local households.

Calls to PW London Saniflo Engineer often start with a downstairs loo or basement bathroom that a conventional gravity system can't reach, and a Saniflo unit is fitted or repaired to solve it. Based in Harrow, the firm handles installation faults and blockages that put macerator pumps out of action. Its 4.9 rating from 35 reviews reflects consistent results on this specialist end of plumbing work.

Households across Harrow rely on G.C. Mechanical Engineering Ltd for plumbing work ranging from repairs to installations. The firm has built a strong local reputation, reflected in a five star rating from fifteen reviews. Its base in HA7 keeps response times manageable for families needing prompt attention to leaks, boilers or general plumbing faults.

A clean run of five-star reviews, fourteen so far, sets Valkyrie Plumbing apart among plumbers serving Harrow. The company handles the usual mix of repairs, installations and maintenance calls that keep households running, with feedback consistently pointing to reliable timekeeping and tidy workmanship. Based in HA7, it covers the surrounding area for both routine and urgent jobs.

Plumbing services covering Harrow and the surrounding area, Theplumbers.org (UK) Ltd handles domestic and commercial work across the region. The postcode TW8 9JJ places them at the western edge of Greater London, giving reasonable reach into neighbouring boroughs. Further details on the work they cover can be found at theplumbers.org.

Older properties around Harrow often bring dated boiler systems and awkward pipework, and DJS Plumbing and Heating deals with these alongside general repairs and installations. Work covers both domestic homes and smaller flats, with a rating of 5 from 10 reviews reflecting consistent standards. Jobs range from leaks and replacements to full heating setups.

A perfect five-star rating from nine reviews sets ALL 3 LTD apart among plumbers serving Harrow. The firm handles domestic plumbing work across the area, with client feedback pointing to consistent reliability rather than one-off praise. Further details on the range of jobs undertaken can be found on the company's website.

Boiler breakdowns and leak repairs make up much of the daily workload for Plumb London, covering Harrow and the surrounding Pinner area. The firm holds a 4.7 rating from 15 reviews, reflecting steady, workmanlike callouts rather than large-scale installations. Emergency plumbing sits alongside routine servicing for households needing fixes done without delay.

A leaking valve or a boiler that's stopped firing usually prompts the first call to Plumbsafe London, based in Harrow. The job often starts with a diagnostic visit before repairs or replacement parts are arranged. Feedback from past customers, rated 4.7 from 14 reviews, points to reliable follow-through once work begins.

Harrow and the surrounding HA5 postcode area are served by Arc & Pete Plumbers, covering general plumbing repairs and installations for local households. Six reviews on Google currently give the firm a full five-star average, reflecting consistent standards on completed jobs. Details of specific services can be found via their website.

Families across Harrow call on A Level Property for plumbing repairs and installations that need sorting without fuss. The firm has built a small but spotless record, five reviews and a perfect rating, reflecting consistent workmanship on jobs ranging from leaks to fittings. Its HA1 base keeps response times manageable for local households.

Older properties around Harrow often bring ageing boilers and outdated pipework, and this is where Pinner Boiler Repair & Plumbing Services focuses much of its work. Jobs typically involve diagnosing intermittent heating faults or replacing corroded fittings in period homes rather than straightforward new-build installs. Five reviews on Google, all five stars, reflect consistent handling of this kind of repair work in HA5.

Boiler installations, leak detection and bathroom fitting are among the core services offered by PIN Plumbers Services, based in Harrow. The company covers residential plumbing work across the local area, handling both planned projects and urgent call-outs. HA5 3EF places them well for surrounding neighbourhoods in north-west London.

A 4.8 rating from clients points to consistent workmanship at Thames Pro Heating Ltd, a plumbing firm serving Harrow. The company covers general plumbing repairs and heating work, with jobs typically arranged directly through its website rather than a call centre. Feedback so far reflects a small but satisfied client base.

LH Plumbing & Heating works mainly on older Harrow properties, where ageing pipework and outdated boilers tend to need closer attention than a standard new-build fit. Jobs typically cover heating repairs and general plumbing maintenance rather than large-scale installations. The firm holds a 4.3 rating from eight reviews on Google, reflecting steady, repeat local custom.

Covering Harrow and the surrounding area, CJServices handles domestic plumbing work across a range of common household needs. The company operates locally in the HA2 area, keeping its focus on residential customers rather than large commercial contracts. Straightforward in scope and geographically grounded, it offers a practical option for householders looking for a local plumber.

Rated 5.0 by local customers, Mirauta Ltd operates as a heating engineer firm serving Harrow and the surrounding area. The company covers installation, servicing, and repair work across residential properties, with a postcode base in HA3 that places it well for calls across the borough. Straightforward in scope, it offers a focused alternative to larger multi-trade contractors.