Heating & ventilation contractors in London

977 heating & ventilation contractors based in and around London.

• M MY CLEANERS LONDON LTD London · Fit-out & interiors · 1-9 employees

  Professional cleaning services in London. We offer domestic, end of tenancy, after building, and office cleaning at affordable prices. Contact us toda

• M My Lady Builder Ltd London · Main contractor · 1-9 employees

  A female-led construction company with 50+ years collective experience, offering residential and commercial building, refurbishments, conversions, and

• M My London Handyman London · Refurbishment

  Reliable Handyman Services in London, UK by MyLondonHandyman. Expert repairs, installations & maintenance for homes and businesses. Book today.

• M My Plumber Ltd London · Plumbing

  Certified plumbers and Gas Safe engineers in London. Book a service online in just a few clicks. Save big by joining our membership club!

• M My Retreat Garden Rooms London · Design & build · 1-9 employees

  Bespoke, insulated garden rooms in Surrey, Berkshire & Buckinghamshire. UK factory manufactured with steel frames, 10-year guarantee. Home offices, gy

• M Mycond Ltd London · Heating & ventilation

  HVAC systems from Mycond are not just fan coils, heat pumps, dehumidifiers and humidifiers. They are complete, end-to-end air conditioning solutions

• M MyConstructor London · Electrical

  MyConstructor offers a nationwide network of qualified professionals for domestic EPCs, EICRs, PAT testing, and other property services. Get instant q

• N N M Renovations Ltd London · Refurbishment · 1-9 employees

  NM Renovations Ltd is a CIS-registered contractor based in Luton, delivering substantial residential renovations, extensions and structural alteration

• N N4 Gas London · Heating & ventilation

  Gas Safe registered heating engineers in North London. Boiler installation, repairs, servicing and CP12 certificates.

• N National Heat Source Ltd London · Heating & ventilation

  National Heat Source Ltd offers expert boiler installation, central heating systems, boiler servicing and repairs, and all plumbing and gas works acro

• N National Plumbers Ltd London · Plumbing

  Expert Plumbing, Cooling & Renovation Services in Western London. National Plumbers LTD provides top-quality plumbing, cooling, and renovation service

• N Nationwide Properties Contractors Ltd London · Main contractor · 1-9 employees

  Delivering residential and commercial projects with unrivalled expertise and one hundred percent client satisfaction. Specialising in new developments

• N Nbb Rail Ltd London · Rail infrastructure

  NBB Rail Limited offers comprehensive services to the rail and construction industry as an MEPh+F specialist, covering design, checking, site manageme

• N Ncp Mechanical Ltd London · Plumbing

  NCP Mechanical Ltd provides expert plumbing, heating, and ventilation system services for residential construction projects across London and the Sout

• N NCS Plumbing and Heating Ltd London · Plumbing

  NCS Plumbing and Heating Ltd offers expert plumbing and heating services across London. Contact us for reliable solutions.

• N Nest Maintenance London · Refurbishment

  Nest Maintenance offers professional residential and commercial property maintenance services across London. Fast, reliable, and tailored to your need

• N Nesttech Ltd London · Security systems

  NestTech Ltd is a London-based specialist in smart home, commercial automation and intelligent networking. Expert design, consultation and installatio

• N New Key Developments London · Main contractor · 1-9 employees

  New Key Developments is a construction firm established in 2012, specialising in high-end new build developments. They offer end-to-end expertise from

• N New Key Group London · Main contractor · 1-9 employees

  New Key Group offers high-end property construction, refurbishment, and mechanical services including HVAC, specialising in luxury residential and com

• N Newman and Green London · Fit-out & interiors

  Newman + Green are a commercial principle contractor, specialising in workplace environments. They are solution and process driven, utilising technolo

• N NEXGEN HVAC London · Heating & ventilation

  Nexgen HVAC are experts in Air Source Heat Pump and Air Conditioning installations in London. They offer eco-friendly heating and cooling solutions fo

• N Next Renewable Generation Ltd London · Property developer

  Next Renewable Generation Ltd is a property developer company based in London, registered at Companies House in 2025.

• N Next Step Heating London · Heating & ventilation

  Next Step Heating is a London-based installer of heating and renewable energy systems, offering design, supply, installation, and MCS commissioning se

• N Nextherm Ltd London · Heating & ventilation

  Specialist heating, plumbing and building services across North London, focused on installation, servicing, diagnostics and repair within modern resid

• N Ng2 Heating Ltd London · Heating & ventilation

  NG2 Heating Ltd is a London-based company specializing in heating and plumbing services. We offer a range of solutions for domestic and commercial cli

• N Nicuabru Services London · Refurbishment · 1-9 employees

  Building company in London specialising in domestic renovations, extensions and loft conversions. Offering high-quality construction and renovation se

• N Ninja Plumbers London · Plumbing

  Gas Safe certified plumbers in Fulham, London. Offering 24/7 emergency plumbing, boiler, heating & drainage services. Book online or call us.

• 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 NOA SERVICES LONDON LTD London · Plumbing

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

• N Noble Design & Build Ltd London · Design & build · 1-9 employees

  Noble Design & Build LTD turns visions into reality with precision and dedication. Combining innovative techniques with expert craftsmanship, we deliv

• N NOLA RENEWABLES LIMITED London · Solar PV

  Nola Renewables specialises in helping businesses and homes transition to greener, more sustainable futures with tailored renewable energy solutions.

• 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 Nsn Corporation Ltd London · Security systems

  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 NUVO MEP LTD London · M&E contracting

  Nuvo MEP is a client-oriented company providing a rich variety of Mechanical and Electrical services to all-sized enterprises, working on Britain's co

• 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

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

• O O & K Property Works Ltd London · Design & build · 1-9 employees

  London design & build specialists since 2007. Extensions, lofts, renovations, new builds, plus MCS-certified heat pumps and solar PV. Fixed quotes.

• O Oak Leaf Building Projects Ltd London · Refurbishment · 1-9 employees

  Oak Leaf Building Projects delivers high-end residential refurbishment, structural works and extensions across London, scoped in writing and priced li

• O Oasis Heating & Plumbing Ltd London · Plumbing

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

• O Ogival Ltd London · Refurbishment

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

• O OMEGA FIX London · Air conditioning

  Omega Fix provides expert air conditioning repair, installation, and maintenance services along with commercial refrigeration solutions across all 34

• O ON POINT PLUMBING London · Plumbing

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

• O ONE CALL HVAC LTD London · Heating & ventilation

  Trusted local HVAC installation, repair, and maintenance services across all 32 London boroughs. Licensed, insured engineers with upfront pricing 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 ONE31 ENERGY LTD London · Solar PV

  ONE31 ENERGY LTD is a renewable energy company focused on reducing costs, cutting carbon, and building a sustainable future through innovative energy

• 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