Heating & ventilation contractors in London working in residential

1726 heating & ventilation contractors across London working in the residential sector.

• N No Nonsense Plumbing Ltd Woodford Green · Plumbing

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

• 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 Noel's Property Services Ltd Staines Upon Thames · Heating & ventilation

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

• 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 Nordic Room Ltd West Byfleet · Timber frame · 1-9 employees

  Specialists in made to measure timber garden rooms, home offices, home gyms, garden studios & granny annexes across the Surrey area.

• N North Pole Air Conditioning Chigwell · Air conditioning

  North Pole Air Conditioning offers expert heating and cooling solutions across London and surrounding areas, with over 15 years of experience. Special

• 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

  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

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

• 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 NURENEWABLES HEATING Rainham · Heating & ventilation

  Specialist heating and heat pump engineering team providing modern, energy-efficient solutions for homeowners and developers. Focused on reliability,

• 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 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 Oakmoor Heating Ltd Twickenham · Heating & ventilation

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

• O Oakray Ltd Enfield · Heating & ventilation

  Oakray are property performance specialists providing building support since 1979. This family-owned business is a contractor of choice for compliancy

• O Oakray Renewables Enfield · Solar PV

  Oakray Renewables offer comprehensive renewable solar energy solutions for residential and commercial properties. Explore our services to embrace a gr

• 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 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 Ogival Ltd London · Refurbishment

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

• O Olive Plumbing & Heating Services Borehamwood · Plumbing

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

• 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 Demand Plumbing & Heating Ltd Watford · Plumbing

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

• 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 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 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 Optimal Energy Solutions Ltd Grays · Solar PV

  Optimal Energy Solutions specialises in designing and installing solar PV systems, solar battery storage, air source heat pumps, and EV charging solut

• 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 Property Maintenance London · Refurbishment · 1-9 employees

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

• O Ordon Ltd Dartford · Main contractor · 1-9 employees

  Ordon Ltd is a building contractor based in London, focused on providing high-quality service and customer satisfaction. They offer a range of service

• O Origin Heating Ltd Addlestone · Heating & ventilation

  Local Gas Safe heating engineer covering Addlestone & Surrey. Boiler repairs, servicing, installations and landlord certificates. 21+ years' experienc

• O Oriole Constructors Ltd. London · Refurbishment · 1-9 employees

  Oriole Constructors Ltd offers quality, time, and cost control in building and construction projects across Bracknell and West London.

• O Otm UK Services Ltd London · Refurbishment · 1-9 employees

  OTM UK Services Limited offers reliable and professional cleaning solutions for homes and businesses across the UK. We focus on client safety, rigorou

• O Otpd Ltd Woodford Green · Plumbing

  24/7 Emergency plumbing and drainage services in Mayfair & Central London. Expert solutions for heating, boilers, and unblocking.

• O Ozone Buildworld Ltd London · Plumbing · 1-9 employees

  Ozonebuildworld Ltd offers premium property maintenance services across the UK, including plumbing, electrical, carpentry, and painting. Contact us fo

• P P A Henery Ltd South Croydon · Plumbing · 1-9 employees

  Reputable plumbing, heating and electrical company serving South Croydon and the surrounding areas. Our reactive, servicing and planned preventative m

• P P Dymott Plumbing & Heating Ltd London · Plumbing

  P Dymott Plumbing & Heating Ltd offers boiler repairs, central heating installations, and bathroom design services in Ealing and surrounding areas. Co

• P P M Bennison Heating Ltd Beckenham · Heating & ventilation

  P.M Bennison Heating Ltd offers boiler and heating installation, cooker and fire services by Gas Safe Registered engineers in South East London.

• P P.F.L. Electrical Ltd London · Electrical

  PFL Electrical offers a comprehensive range of electrical services for domestic, commercial, industrial, and public sectors, including design and buil

• P P.I.V Building Solution Ltd London · Refurbishment

  Expert construction, renovation & refurbishment services in London. 8+ years experience, 500+ projects completed. From home extensions to electrical w

• P P&A Gas Services Ltd London · Plumbing

  Trusted experts for gas, heating, and plumbing in Essex & London. Reliable plumbers and exceptional boiler repair services from P&A Gas Services.

• P P&T Heating Services Ltd Borehamwood · Heating & ventilation

  P & T Heating Services offers domestic gas and heating services, including boiler installation, servicing, and diagnostics. They are a Gas Safe regist

• P Pace Evolutions London · Heating & ventilation

  Trusted provider of heat pump installations, electrical services, and utility solutions. Save up to 30% on energy bills. Eligible for £7,500 governmen

• P Packers Property Maintenance Company Ltd London · Carpentry & joinery

  Packers Property Maintenance Company Ltd offers joinery, heating & plumbing, building, painting, plastering and damp proofing services across the Nort