Heating & ventilation subcontractors in the UK

7637 UK subcontractors offering heating & ventilation work.

• 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 Fires Accrington · Heating & ventilation

  Fireplace specialists serving the North West. Expert supply & installation of gas, electric & wood-burning fires, media walls and bespoke fireplace so

• 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

• N NWER Heating Liverpool · Heating & ventilation

  Premium electric radiators, boilers and Sunamp heat batteries, installed from our Liverpool base across the North West. Free surveys, 30-year guarante

• N Nwr Gas, Plumbing & Heating Ltd Burnley · Plumbing

  NWR Gas, Plumbing & Heating offers high-quality heating and plumbing services to residential and commercial customers in Burnley and surrounding areas

• N NWTI Bolton · Tiling

  NWTI (North West Tiling and Installations Limited) provides bathroom renovations, wet room installations and professional tiling across Bolton, Bury,

• N NXTGEN Heat Wigan · Heating & ventilation

  Gas Safe Registered engineers providing top-quality boiler services, heating, and energy solutions across Liverpool & Merseyside for over 20 years. Ge

• N Nykku Air Conditioning Lichfield · Air conditioning

  Nykku air conditioning specialises in heating and cooling for rental and hospitality events globally. Offering service, maintenance, and consultancy.

• 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 O.K. Services Sutton-In-Ashfield · Heating & ventilation

  O.K. Services specialises in industrial pipework and industrial/commercial gas installations, offering nationwide coverage from their base in Sutton-I

• O O'Donnell Plumbing & Heating Ltd Glasgow · Plumbing

  O'Donnell Plumbing & Heating, trusted plumber in Glasgow for boiler installation and repairs, heating services, and emergency callouts.

• O O'Toole Plumbing And Heating Ltd Chinnor · Plumbing

  O'Toole Plumbing & Heating are experienced, fully qualified plumbing, heating, boiler installers experts based in Oxfordshire. Offering bathroom and k

• 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 Oak Refrigeration And Mechanical Services Ltd Castleford · Air conditioning · 10-49 employees

  Oak Refrigeration, Air Conditioning & Electrical Services offers comprehensive HVAC and electrical solutions for retail, commercial, and industrial cl

• O Oakes Energy Houghton Le Spring · Heating & ventilation

  Oakes Energy Services provides HVAC, renewable technology, and electrical solutions for commercial customers, helping businesses decarbonise and reduc

• O Oakford Integration Ltd Devizes · Electrical

  Oakford Integration provides smart, sustainable infrastructure including solar energy, EV charging, automation, security, and data solutions for resid

• 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 Oakpark Energy Ltd Buckingham · Solar PV

  Oakpark Energy provides expert renewable energy solutions for homes and businesses, including solar panels, battery storage and EV charging.

• 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 Oakwood Construction Services Ltd Maidstone · Refurbishment · 10-49 employees

  Reliable reactive and planned maintenance across Kent, London and the South East. 24/7 support, fast response, and expert building maintenance solutio

• O OASIS BATHROOM SOLUTIONS LTD Gosport · Bathroom fitting

  Need bathroom fitters in Gosport? Oasis Bathroom installs bathrooms, wet rooms, tiling and underfloor heating across Hampshire. Request a quote today.

• 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 OBAN PLUMBING & HEATING Oban · Plumbing

  Local plumbing, heating, and drainage specialists with over 25 years of experience. Offering comprehensive services for all your home needs.

• O Ocboiler Ltd Falmouth · Heating & ventilation

  Oil Boiler Servicing & Sales Across the UK. Based in Cornwall, we offer quality second-hand refurbished oil boilers, certified by OFTEC specifications

• O Ocean Builders Ltd Birmingham · Extensions · 1-9 employees

  Ocean Builders offers a comprehensive range of building services, specializing in extensions, new builds, roofing, and refurbishments. We also provide

• O Ocean Solar Salisbury · Plumbing · 1-9 employees

  Ocean Solar provides renewable heating and plumbing solutions for domestic and commercial clients, including housing developers and contractors across

• O OCM Plumbing Ltd Carlisle · Plumbing

  24/7 emergency plumbing and drainage services in Carlisle. Fast response, no call-out fees, fully trained professionals. Residential & commercial plum

• O Octoplumb Ltd Cossington · Plumbing

  Octoplumb provides trusted heating and plumbing services across Wolverhampton, Staffordshire, Shropshire, Shrewsbury and Telford.

• 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 Oetzmann & Co. Folkestone · Plumbing

  Oetzmann & Co. is a family business established in 2003, specialising in plumbing and heating engineering. They offer excellent workmanship and servic

• O Off Grid Heating Ltd Monmouth · Heating & ventilation

  OFTEC approved installers of air source, ground source, water source and other off-grid heating solutions in Monmouthshire, Wales, Herefordshire, Glou

• O OG Plumbing & Heating Services Dundee · Plumbing

  OG Plumbing & Heating Services offers reliable plumbing, boiler, and bathroom installation services in Dundee and surrounding areas. Highly recommende

• O Ogival Ltd London · Refurbishment

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

• O OGR Properties Ltd Portsmouth · Plumbing

  OGR Properties Ltd provides plumbing, gas & boiler services in Portsmouth & the surrounding areas. Get in touch today for all manners of plumbing.

• O OHM SMART LTD Accrington · Electrical

  Ohm Smart offers bespoke smart home and automation solutions, including lighting, AV, security, and network systems, designed to enhance convenience,

• O Oil Heating Oil Cookers Ashford · Heating & ventilation

  Oil Heating Oil Cookers Ltd: OFTEC registered oil-fired appliance service, repair and installation in Kent. Family business established by Robert Oakl

• O Oil Tank Change Newmarket · Utilities

  Need an oil tank? Our certified experts provide fast, safe, and affordable oil tank replacement services. Get your free quote today!

• O Oiltec Fordingbridge · Heating & ventilation

  Independent service engineers specialising in oil boiler servicing, repairs, and installations. Also cover Aga Cooker and Rayburn service, repair, bre

• O Ojs Plumb & Heat Ltd Eastleigh · Plumbing

  OJS Plumb & Heat Ltd provides reliable and quality plumbing, heating, and air conditioning services. We cater to all needs, from boiler installations

• O OLAD HEATING AND GAS LTD Bolton · Heating & ventilation · 1-9 employees

  OLAD Heating and Gas offers expert heating, gas, and plumbing services, including boiler installation, repairs, servicing, and landlord safety checks.

• O Old Briar Property Services Thatcham · Plumbing

  Old Briar Property Services Ltd offers professional plumbing, heating, and gas services to domestic and commercial clients in Berkshire, including boi

• O Old School Plumbing Limited Barnard Castle · Plumbing

  Friendly, family plumbing and gas heating experts in Barnard Castle and Teesdale, offering transparent pricing for services from tap washers to boiler

• O Oldham Bros Ltd. Liverpool · Demolition · 1-9 employees

  Oldham Bros Ltd are trusted demolition contractors in Merseyside with over 75 years' experience. Specialists in demolition, site clearance, recycling,

• 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 Oliver Blackmore Specialist Gas Engineer Ltd Bridgwater · Heating & ventilation

  Specialist gas safe registered engineer for commercial, catering, and leisure specific gas installations, servicing, and maintenance. Oliver Blackmore

• O Oliver’S Services Ltd Pontypridd · Plumbing

  Oliver's Services offers tailored commercial plumbing, heating, renewables & sprinkler systems. Contact us for reliable solutions today!

• 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 Omni Heating Ltd Portsmouth · Plumbing

  Highly-rated plumbing, heating and boiler solutions serving Portsmouth, Fareham & Hedge End for over 20 years. Call Omni Heating for expert advice.

• O OMR PLUMBING Leeds · Plumbing

  OMR Plumbing offers expert plumbing and heating services across Yorkshire and nationwide. With over 10 years of experience, we provide high-quality in