Heating & ventilation contractors in London

1958 heating & ventilation contractors across London.

• L LMG London · Electrical · 50-249 employees

  LMG provides a comprehensive, full-service proposition as a building technology (PropTech) partner, ensuring global project delivery, management, and

• L Loft Air Conditioning Twickenham · Air conditioning

  Loft Air Conditioning offers expert installation of quiet, slimline air conditioning systems for homes, providing comfort year-round with minimal disr

• L London Ac Ltd London · Air conditioning · 10-49 employees

  London AC Ltd specialises in the installation and maintenance of Air Conditioning and Ductwork Services, providing Blue Chip installations and repairs

• L London Boiler Services Enfield · Plumbing · 1-9 employees

  London Boiler Services offers expert boiler repair, installation, and servicing across London, Watford, and St Albans. Gas Safe registered engineers p

• L London Concept Developments Ltd London · Main contractor · 1-9 employees

  A leading London construction company delivering projects of every scale, from small refurbishments to multi-million-pound new builds, across London a

• L London Concept Services Ltd London · Electrical

  London Concept Services Ltd is a electrical company based in London, registered at Companies House in 2024.

• L LONDON DOMESTIC MAINTENANCE LTD London · Plumbing

  Trusted domestic maintenance services in London. Plumbing, gas, electrical, and property repairs. Fully insured, professional, and responsive.

• L London Efficiency Ltd London · Plumbing · 10-49 employees

  London Efficiency offers expert plumbing, heating, and gas services with 30 years of experience. We provide reliable, high-quality solutions for homeo

• L London Emergency Plumbing & Drainage Ltd London · Plumbing

  London Emergency Plumbing & Drainage Ltd is a plumbing company based in London, registered at Companies House in 2025.

• L London Flows Ltd London · Drainage · 1-9 employees

  London Flows provides trusted drainage, plumbing, heating and gas services for homeowners, landlords, businesses & local authorities across London.

• L London Gas Services Ltd London · Plumbing

  London Gas Services Ltd is a plumbing company based in London, registered at Companies House in 2024.

• L London Heating Solutions London · Heating & ventilation · 1-9 employees

  London Heating Solutions offers expert boiler installation, repair, and servicing by Gas Safe registered engineers. We are Worcester Accredited Instal

• L London Home Certificates Ltd Ilford · Electrical · 1-9 employees

  London Home Certificates provides comprehensive property certification services for domestic and commercial clients, ensuring compliance with safety r

• L London Line Homes Ltd. Pinner · Refurbishment · 10-49 employees

  London Line Homes Ltd offers a wide spectrum of renovation and building services including property refurbishment, house extensions, loft conversions,

• L London Mep Group Ltd Loughton · M&E contracting · 10-49 employees

  London MEP Group Ltd is a Mechanical, Electrical and Public Health works contractor based in Loughton, undertaking projects in London and the Home Cou

• L London Nm Construction Ltd Northolt · Main contractor

  London NM Construction Ltd offers reliable construction, renovation, and interior design services across Greater London, focusing on quality workmansh

• L London Plumbers Group Ltd London · Plumbing

  London Plumbers Group Ltd is a company based in London, W5 5HT. The company was incorporated on January 30, 2026.

• L London Water Filter London · Plumbing

  Expert water filtration systems for London homes, RO, whole house & softeners. Waterdrop authorized dealer. Water test & quote, same-week install.

• L London'S Electrical Services Ltd London · Electrical · 1-9 employees

  Experienced electrical contracting company covering Greater London. Services include EICR, EPC, heating, boiler installation/repair, landlord gas safe

• L LondonRefurbs Feltham · Refurbishment

  LondonRefurbs is a local trade directory for finding refurbishment and trade companies in London. Search by service, job, or area, and browse company

• L LORD BASE LIMITED London · Refurbishment

  London home renovation specialists for loft conversions, extensions, kitchens, bathrooms and full refurbishments. Call 07771 177678 for a free quote.

• L Lori Construction Services Ltd Romford · Main contractor · 1-9 employees

  Lori Construction Services Limited is a premier construction company dedicated to delivering exceptional results. With years of experience, our team p

• L Love Automation Ltd London · Electrical · 1-9 employees

  Love Automation offers bespoke home automation and smart living solutions, including intelligent lighting, home cinemas, and integrated climate and bu

• L LOW CARBON LONDON LTD London · Solar PV

  Low Carbon London Ltd installs air source heat pumps from £10,000, handling the £7,500 Boiler Upgrade Scheme grant. Samsung specialists with a 7-year

• L Lowes Heating Company Ltd London · Heating & ventilation

  Lowes Heating Co Ltd. is a family-run business, we take pride in keeping homes warm and comfortable.

• L LPM Group Gravesend · Refurbishment · 1-9 employees

  LPM Group Ltd specialises in property maintenance and building works across South East London and Kent, offering 24/7 services for residential and com

• L Lrt Heating Ltd Broxbourne · Heating & ventilation · 1-9 employees

  LRT Heating offers expert gas boiler replacement, new boiler installation, professional air conditioning services, and fast 24/7 emergency plumbing se

• L Ls Ductwork Group Ltd Grays · Heating & ventilation

  LS Ductwork are HVAC and VAV system installers, providing quality Heating, Ventilation, and Air Conditioning services across the UK.

• L LSR Services Group London · Refurbishment

  LSR Services Group offers fully managed property maintenance for letting agents and property managers, coordinating repairs and tenant communication w

• L LURA CONSTRUCTIONS LTD London · Refurbishment · 10-49 employees

  Lura Construction offers a comprehensive range of services from repairs and refurbishment to large-scale retrofit works, focusing on building better c

• L Lushi's Plumbers Hornchurch · Plumbing · 1-9 employees

  Lushi's Plumbers is a family-run, London-based professional plumbing and heating company with over 10 years of experience. We offer honest, high-quali

• L LUX TEQ London · Security systems

  LUX TEQ LTD: Smart Home specialists in Audio Visual, Control 4, Lutron, CCTV, Networks, Intercom, Intelligent lighting, and WiFi. Elevating living env

• L Luxsmart Automation Ltd Feltham · Electrical · 1-9 employees

  Luxsmart Automation provides comprehensive electrical installation and home automation services. Operating for several years, we focus on quality, det

• L Luxurybuildersdirect Ltd London · Refurbishment · 1-9 employees

  Luxury Builders Direct offers a comprehensive range of property maintenance and building services, from handyman tasks to large renovations and extens

• L LW Pipe Solutions LTD London · Heating & ventilation · 1-9 employees

  LW Pipe Solutions LTD offers sustainable energy-efficient solutions, integrating green technologies into plumbing. Specialising in heat pumps, boilers

• L Lyons Heating and Plumbing Solutions London · Plumbing

  Gas Safe registered plumbers and heating engineers based in North London. Honest work, real people, and a service built on trust. Call Lyons Heating t

• M M Maintenance Ltd London · Refurbishment · 1-9 employees

  Z&M Maintenance LTD is a leading construction company dedicated to delivering exceptional construction services. We specialize in a wide range of cons

• M M.M.Team Ltd Watford · Design & build · 1-9 employees

  MM Team Construction specialises in quality design and build projects, with over 20 years of experience. They handle everything from new home builds t

• M M.W.Heating Solutions Ltd London · Heating & ventilation

  Reliable boiler installation, servicing and repairs with certified gas safety certificates in South London. Trusted heating contractor since establish

• M M&E Heating and Property Services London · Heating & ventilation · 1-9 employees

  M&E Heating and Property Services offers a wide range of property maintenance services including pre-purchase surveys, refurbishments, ongoing repairs

• M M&E Services London · Heating & ventilation · 1-9 employees

  M&E Services (Lincs) Ltd offers expert plumbing, heating, gas, and electrical services across Lincolnshire and Cambridgeshire, including heat pump sol

• M M&E Services Ltd London · M&E contracting

  Re-Gen M&E Services provides Mechanical and Electrical solutions across London and the South East with over 20 years of industry expertise.

• M M&JOT Ilford · Plumbing

  M&JOT LTD offers expert plumbing, heating, bathroom fitting, and tiling services. Committed to integrity, quality, and customer satisfaction for homes

• M M&S Mechanical Engineering Ltd Pinner · Plumbing · 1-9 employees

  M&S Mechanical Engineering offers expert chlorination, solar panel installation, and comprehensive plumbing & heating services for commercial and dome

• M M25 Gas Safety Engineers Ltd London · Heating & ventilation · 1-9 employees

  M25 Gas Safety Engineers Ltd offers commercial and domestic gas safety certificates, boiler servicing, installation, and repair. Covering all London a

• M Ma4 Plumbers Ltd London · Plumbing · 1-9 employees

  MA4 Plumbers is a London-based company specializing in plumbing and heating repairs and installations. They offer a 24-hour emergency service and focu

• M Maclen Property Services Ltd South Croydon · Main contractor · 1-9 employees

  Building contractors based in Croydon, serving London and the South East with a full building and renovation service for commercial and domestic clien

• M Mada Facility Management Ltd London · Electrical

  Certified electricians and F-Gas air conditioning engineers in London & the UK. 24/7 emergency repairs, installations, and maintenance.

• M Mag Mechanical Services Ltd Upminster · Plumbing · 1-9 employees

  MAG Mechanical are a London/Essex based company who specialise in the installation of Plumbing, Heating, Gas and Mechanical works. With over 15 years

• M Magico Plumbing And Heating London · Plumbing · 1-9 employees

  Gas Safe registered plumber serving London, Essex & Hertfordshire for 15+ years. Emergency plumbing, boiler repairs & gas engineer services.