Heating & ventilation contractors in London

1960 heating & ventilation contractors across London.

• N Nitor Ventilation Ltd Gravesend · Heating & ventilation · 10-49 employees

  Nitor Ventilation provides expert design, installation, testing, and remediation of ventilation systems, including fire and smoke dampers, across the

• 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

  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

  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 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 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 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 Heating And Mechanical Services Ltd Enfield · Plumbing

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

• 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 Property Regeneration Ltd Enfield · Plumbing

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

• 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 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

• 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 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

• 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