At JW McDonald Building Services we are based in South London and we are fully insured and only used qualified Gas Safe Registered Engineers and skilled tradesmen for all our work. You can always expect a fast response and excellent attention to detail from start to finish.

JW McDonald Heating & Plumbing

Here at JW McDonald Building Services we have expanded our team on the heating & plumbing and boiler repair side of the business to give our customers the best service possible so we have a newly formed separate company. To find us now, click on this link  This new approach will offer our customers a no call out charge system that works with an hourly rate system that is more transparent. This was bought together because we have found that most boiler repairs and heating & plumbing problems can be fixed within one hour and with this knowledge we found that a no call out charge approach was better for our customer so please follow the link above for your more cost effective service at

Heating Service & Gas Boiler Installations for South, South East London & Kent

When it comes to finding a local Gas Safe Engineer in London you’ll want peace of mind that you’re dealing with the best. At JW McDonald that’s exactly what you’ll get, from installing central heating to servicing your gas boiler we can do it all and much more.

Our services include:

  • Boilers installations, diagnostics, servicing & repairs
  • Central heating package
  • Radiator repairs – radiator leaks, radiator installations & radiator bleeding
  • Radiator power flushing
  • Boiler replacement
  • Gas safety certificates


Kitchen Installation

We can look after every aspect of kitchen fitting and complete all the building works, including tiling and plastering right through to installing appliances and electrics.

Bathroom Remodelling South, South East London & Kent

Our expert team will have your new bathroom installed in no time at all. From tiling, painting and electrics to fitting under floor heating and suites. View more about our bathroom installations.

Miscellaneous services

We also offer services in electrics (NICEIC + Part P registered), plastering, screeding, rendering, painting and decoration and can tackle all types of refurbishments on request. This expertise makes us your one-stop-shop; looking after every aspect so you avoid the hassle of having to co-ordinate other trades for the works. JW McDonald Building Services in South, South East London & Kent today 

We offer FREE quotes and friendly advice.