Based in Kings Langley, Hertfordshire. Call today on 07531 141 614

Contact UsOur Services
New bathroom instalation
Man plumbing under sink
New boiler instalation
New bathroom sink


Based in Kings Langley, Hertfordshire, ACO Heating & Plumbing are a local plumbing company specialising in boiler upgrades, boiler servicing, central heating installations, unvented cylinder installations, underfloor heating and general plumbing services.

Emergency Plumbing

Emergency Plumbing

Emergency callouts, Faulty central heating, Insurance work, Leaks & Burst pipes
Emergency Plumbing

Boilers & heating systems

We can help you with all your boiler and all other gas appliance needs including: Boiler installs, Boiler repairs, Servicing, Heating Controls, Pumps Valves and Thermistats


Helping you with your general plumbing needs including: Hot Water Tank Replacements, Storage Tank Replacements, Dripping Taps, Tap Replacement, Water Softeners, Kitchen Appliances, Outside Taps, Shower Pumps, Decorative Rods.
Emergency Plumbing

Bathroom Installations

We can professionally install your new bathroom for you including all varieties and styles of bathrooms: Wet Rooms, En Suites, Shower Rooms, Cloak Rooms.
Emergency Plumbing


ACO can help you with your drainage requirements: New Soil Stacks, Drainage Repairs, Repairs in All Waste Pipework, Durgo Valves, Non Return Valves, Foul Waste Pipe.

Call Us Now

Call any time to discuss your requirements on 07531 141 614
New bathroom instalation
New bathroom instalation
New bathroom instalation
New bathroom instalation
Gas Safe Register Logo

Gas Safe Engineer

You’re in safe hands, our plumbers are highly qualified and gas safe registered. ACO are authorised members of Gas Safe and can provide a number of gas/heating services for both domestic and commercial clients. Gas Safe Register is the official gas registration body for the United Kingdom. By law all gas engineers must be on the Gas Safe Register, which replaced CORGI as the gas registration body in Great Britainin April 2009.

ACO Can Help

ACO Heating & Plumbing was founded by Alfie Ottaway over 10 years ago and has built a reputation for excellent work and friendly service. ACO cover all areas of plumbing and heating including:

  • Full bathroom installations
  • Underfloor heating installations and servicing
  • Boiler servicing
  • Landlord certificates
  • Leaking taps and general repairs
  • Kitchen appliance installation
  • Drainage water softeners
  • Power flushing
  • Smart app central heating controls
  • Unvented hot water cylinders
  • Commercial plumbing services.

Covering all areas of work including, insurance claims, work for private individuals and letting or estate agents. We have experience in fitting and maintaining all types of conventional, combinations and system boilers and are available to survey for large organisations on a sub contracting basis.

If you require a full bathrooms installation we can employ and manage tilers and electricians to take the stress out of any job for our clients. Although no two bathrooms are the same we pride ourselves on our workmanship and professionalism and have always enjoyed positive and glowing feedback.

We cover all aspects of installation and maintenance of plumbing and heating with a reliable friendly and fair priced service so contact us today for a chat.

Kitchen sink instalation
Man plumbing
Poiler instalation
“The engineer that came out to us was such a professional. He took the time to ensure every detail was checked and completed. Our emergency was dealt with so quickly and when ACO had left you would have thought that nothing had ever happened. I would recomend Alfie and his people to anyone.”


“ACO undertook a full bathroom installation for us. They managed and organised all elements of the job including the electrician and tiler, the quality of the finish is outstanding. The job was done on time and in budget, we are so happy with the result and will be using ACO again in the future.”

St Albans

“ACO were recommended to us from a neighbour and fitted a new boiler for us after we moved into our new house. Friendly, knowledgeable and super helpful! We were not sure exactly what we required and what options were available for our budget, Alfie came and speced out the job and after a quick chat we realised we were in more than capable hands.”


Contact Us

9 + 6 =


10a Gallows Hill
Kings Langley

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