Boiler installation
New and replacement boilers, sized properly for your home, with honest advice on the right model.
Installation | Servicing | Repairs
Your local plumbing & heating engineer in Swansea
Boilers, central heating, gas appliances, bathrooms and everyday plumbing across Swansea, Llanelli and Neath Port Talbot. Honest prices, tidy work, and a call back when we say we will.
Gas Safe registered · We fit and service Worcester Bosch, Baxi and other leading brands
- 143five-star reviews
- Gas Saferegistered engineer
- Fixed quotesno surprises on the bill
- Clean & tidywe leave it as we found it
What we do
Plumbing and heating, start to finish
From a dripping tap to a full boiler replacement – one local engineer, one phone number.
Boiler servicing
Annual services to keep your boiler safe, efficient and within warranty – pressure, flue and safety checks included.
Breakdowns & repairs
Fault codes, no hot water, pressure dropping? We diagnose and fix it – often the next day, with emergency call-outs available.
Full central heating systems
Complete new systems and upgrades, replacement radiators and valves, cold spots and balancing.
Gas cookers, hobs & fires
Gas pipework, plus connecting, disconnecting and capping off cookers, hobs and gas fires.
Bathrooms & showers
Bath and shower fitting, electric and mixer showers, toilets, basins and taps.
Leaks & general plumbing
Leaks under sinks and baths, toilets and cisterns, stop taps, outside taps and soil stacks.
Kitchen appliances
Washing machines, dishwashers and dryers plumbed in, waste pipes and kitchen sinks.
Landlord gas safety certificates
Annual gas safety checks and CP12 certificates for landlords and letting agents.
Customer reviews
143 reviews, rated 5 out of 5
Verified reviews from homeowners across South Wales, collected on MyBuilder.
★★★★★“Anthony is wonderfully professional and efficient. He also identified and fixed a gas leak that an Octopus engineer ignored only a few days before!”
★★★★★“Anthony fitted us in quickly, coming the very next day. He was thorough in his testing and checking of our central heating system and explained clearly everything.”
★★★★★“Highly recommend Anthony. Friendly and professional. Left everything neat and tidy, will definitely use for future jobs.”
★★★★★“Fantastic, and really priced well. Would highly recommend.”
★★★★★“Supplied and fitted a new electric shower and resealed the shower base. Quick response and job done within days. This is the second time I have hired AWJ and won't hesitate to do so again.”
★★★★★“Will gave me a price and after all the work was done the price he estimated was the price he charged. I am very pleased with his work.”
About us
Local, independent, and easy to deal with
AWJ Plumbing & Heating is run by Anthony (Will to most customers), a local engineer who has been looking after homes across Swansea and the surrounding area since 2020.
You deal with the same person from the first call to the finished job – no call centres, no surprise extras.
- Clear quote before any work starts
- Turns up when agreed and keeps you updated
- Clean, tidy work – mess cleared away
- Emergency call-outs available
Areas covered
Swansea and South West Wales
Based in Swansea, covering homes and landlords across:
- Swansea
- Sketty
- Gower
- Mumbles
- Morriston
- Llanelli
- Neath
- Port Talbot
- Ammanford
Not sure if we cover you? Just call or send a message.
Get a quote
Tell us what you need
Call, WhatsApp or email with a short description and a photo if you can – we'll come back with a price.