Plumbing contractors in London

2345 plumbing contractors across London.

• N Niwaway Construction Ltd London · Extensions · 50-249 employees

  NiwaWay Construction is a trusted building company in Streatham, London, offering expert home extensions, renovations, and bespoke construction servic

• N Nneon Ltd London · Electrical · 1-9 employees

  NNEON LTD offers comprehensive property services for domestic and commercial projects, specializing in electrical, heating, plumbing, and fire safety

• N NNODI Group London · Main contractor

  NNODI Group provides chartered quantity surveying, cost management, commercial management and project advisory services across the UK and internationa

• N No Nonsense Plumbing Ltd Woodford Green · Plumbing · 1-9 employees

  Reliable 24/7 gas, heating & plumbing services in East London. Fast emergency call-outs for boiler repairs, leaks, and more. Affordable & trusted expe

• N NOA SERVICES LONDON LTD London · Plumbing · 1-9 employees

  Noa Services London Ltd is your trusted repair partner, offering a range of services to meet your needs. Contact us for more information.

• N Noel's Property Services Ltd Staines Upon Thames · Heating & ventilation · 1-9 employees

  For Gas, Heating, Electrical & Plumbing Services contact Noel's Property Services. Experts in property maintenance, boiler repairs, emergency plumbing

• N NOLAN HOME SOLUTIONS LTD Hounslow · Roofing

  Nolan Home Solutions offers expert exterior home services including guttering, fascias, soffits, exterior painting, driveways, patios, and garden desi

• N Nolan Hvac & Engineering Services Ltd London · Plumbing

  Nolan Hvac & Engineering Services Ltd is a plumbing company based in London, registered at Companies House in 2025.

• N North Builders Ltd Edgware · Carpentry & joinery · 1-9 employees

  North Builders Ltd offers a comprehensive range of building services, specializing in carpentry, electrical work, plumbing, extensions, loft conversio

• N North Star Building Solutions Ltd Enfield · Refurbishment · 1-9 employees

  North Star Building Solutions offers premium design & build services for renovations, extensions, and loft conversions across London. They combine exc

• N Nottingham Heating Services Ltd London · Heating & ventilation

  Nottingham Heating Services provides professional plumbing and heating solutions, specialising in boiler installations, servicing, and repairs across

• N Nova Facilities Group Ltd London · Main contractor

  Nova Facilities Group Ltd offers property management, refurbishment, and construction services. With over a decade of experience, they specialize in s

• N Novo Plumbing Ltd Sunbury-On-Thames · Bathroom fitting · 1-9 employees

  Novo Plumbing offers luxury bathroom refits, boiler engineering, and underfloor heating in Surrey and Berkshire. Directors George and Joel manage proj

• N NOVON GROUP Caterham · Plumbing · 1-9 employees

  Home & Commercial services for plumbing, heating, electrical & drainage. Gas Safe registered engineers, free quotes, no call-out fees.

• N Nrt Building Services Group Ltd Banstead · Electrical · 50-249 employees

  Nrt Building Services Group Ltd is a electrical company based in Banstead, registered at Companies House in 1996.

• N Nsn Corporation Ltd London · Security systems · 10-49 employees

  NSN Corporation offers managed staffing solutions including Concierge, Security, Dual Management, Recruitment, Handyman, and Cleaning services. Establ

• N Nuova Plumbing Ltd London · Plumbing

  Nuova Plumbing Ltd offers high-standard, professional, and quick response plumbing and heating services across East & South East London and Kent. Esta

• N Nurvgroup London · Design & build

  Nurvgroup specialises in commercial new builds and bespoke business interiors in Central and Greater London, transforming residential spaces with inno

• N NV Builders and Decorators Greenford · Painting & decorating

  NV Builders and Decorators Ltd is a family-run construction and refurbishment specialist in London, offering a decade of experience in high-standard b

• N Nvs Design And Build Ltd Hayes · Design & build · 1-9 employees

  Builders in London providing extensions, loft conversions, renovations and building services. NVS Design and Build delivers quality workmanship.

• N NW Cleaning and Maintenance Ltd London · Refurbishment

  NW Cleaning & Maintenance Ltd provides expert cleaning and maintenance services in London. Specializing in residential and commercial properties, we e

• N Nw Heating Ltd London · Heating & ventilation · 1-9 employees

  NW Heating offers expert boiler installation, heating, and emergency plumbing services in London. Gas Safe registered team available 24/7 for installa

• O O'Mahony Contractors Ltd Buckinghamshire · Rail infrastructure · 1-9 employees

  O'Mahony Contractors Ltd is a construction and maintenance company established in 2000, offering comprehensive services to the rail construction, main

• O Oaklex Ltd London · Refurbishment · 1-9 employees

  Oaklex is a family-run business specialising in high-end residential construction in prime London locations. We deliver tailored solutions and stunnin

• O Oakley Home Improvements Ltd Ashford · Kitchen fitting · 1-9 employees

  Kitchen and bathroom designers, loft extensions, and home improvement specialists in Staines, Kingston, Middlesex, and Surrey. Award-winning family co

• O Oakmoor Heating Ltd Twickenham · Heating & ventilation · 1-9 employees

  Oakmoor Heating Ltd offers comprehensive gas boiler servicing, installations, upgrades, and repairs. Gas Safe registered engineers providing central h

• O Oakray Heating And Mechanical Services Ltd Enfield · Plumbing · 50-249 employees

  Oakray Heating And Mechanical Services Ltd is a plumbing company based in Enfield, registered at Companies House in 2023.

• O Oakray Property Regeneration Ltd Enfield · Plumbing · 10-49 employees

  Oakray Property Regeneration Ltd is a plumbing company based in Enfield, registered at Companies House in 2023.

• O Oasis Heating & Plumbing Ltd London · Plumbing · 1-9 employees

  Oasis Heating & Plumbing offers professional heating and plumbing services for residential and commercial clients. Established in 2005, we provide rel

• O ODM Services Gravesend · Heating & ventilation · 10-49 employees

  Award winning company delivering commercial heating, plumbing and mechanical projects across London and the South East.

• O Ogb Projects Ltd London · Refurbishment · 1-9 employees

  OGB Projects offers expert refurbishment services for residential and commercial properties in London, specializing in high-end bathroom fitting and m

• O Ogival Ltd London · Refurbishment · 10-49 employees

  Ogival offers professional property modifications and alterations, including refurbishments, basements, extensions, and loft conversions. With a desig

• O Olive Plumbing & Heating Services Borehamwood · Plumbing · 1-9 employees

  Trusted plumbers in Borehamwood with 30+ years of experience. Olive Plumbing & Heating Services offers expert solutions for homes and businesses.

• O On Demand Plumbing & Heating Ltd Watford · Plumbing · 1-9 employees

  24/7 plumbing, heating & boiler specialists across Hertfordshire and all London boroughs. Transparent pricing, certified engineers.

• O ON POINT PLUMBING London · Plumbing · 1-9 employees

  Trusted local plumbing and heating experts in Ealing and West London. Qualified, experienced, and insured for all your plumbing and heating needs, inc

• O On Time Builders Ltd London · Refurbishment · 1-9 employees

  Ontime Builders Ltd specialises in high-end full refurbishment, renovation, bathrooms, kitchens, painting, decorating, plumbing, electrical repairs, e

• O One Bloomsbury Ltd London · Extensions

  One Bloomsbury is a London-based construction and building company offering bespoke design, construction, and maintenance services for residential and

• O One Click Centre Limited London · Bathroom fitting · 1-9 employees

  Expert bathroom fitters offering seamless renovation services including showers, plumbing, electricity, underfloor heating, wallpapering, painting, an

• O ONE SHOT UTILITIES LTD Wallington · Utilities

  One Shot Utilities is a Wallington based multi-utility company providing utilities upgrade and installation services, in nearby locations such as Bans

• O One Stop Property London · Refurbishment · 1-9 employees

  London's All-in-One Property Services: Management, Renovations, and Much More. We offer turnkey delivery, eco-friendly solutions, and high-end finishe

• O OneProtect London · Heating & ventilation

  OneProtect offers boiler, central heating, and plumbing cover plans for homeowners and landlords, providing 24/7 support and specialist engineers for

• O Onit Building Services Ltd Northwood · Plumbing

  ONit Building Services offers emergency plumbers and electrical installation services in Northwood, Buckinghamshire. Reliable, efficient, and certifie

• O Onsite Construction Ltd London · Painting & decorating · 1-9 employees

  London Onside Construction provides a comprehensive range of building services, specializing in home extensions, loft conversions, and steel construct

• O Onsite Developments Design & Construction Ltd Wallington · Design & build · 1-9 employees

  Onsite Developments Design & Construction Ltd is a fast-growing construction, design and development business with 25 years of experience. We undertak

• O OnTime Plumbers Hainault · Plumbing

  OnTime Plumbers is a trusted London-based plumbing company offering 24/7 emergency services. Established in 2012, we provide fast, reliable, and affor

• O OPAL PROPERTY MAINTENANCE LTD Rainham · Electrical

  Opal Property Maintenance offers multi-trade property maintenance services in London for agents, landlords, and property owners, covering electrical,

• O Optimal Finishes Ltd Chigwell · Refurbishment · 1-9 employees

  Top Rated Construction Company in London. We offer Full Management on Projects our services include Full Home Renovations, Offices, Full Bathroom Fitt

• O Optimal Heating & Cooling London · Heating & ventilation · 1-9 employees

  Gas, heating & air conditioning engineers for homes and businesses across the West Midlands & nationwide. Installations, servicing, repairs.

• O Optimal Mechanics Solutions Ltd Esher · Plumbing

  Professional plumbing and air conditioning services with over 15 years of commercial construction experience. Quality installations and health standar

• O Optimal Property Maintenance London · Refurbishment · 1-9 employees

  Optimal Property Maintenance offers a comprehensive range of property maintenance services, including refurbishment, painting, roofing, electrical, an