Based in Darwen, covering 20 miles around




Boilers, bathrooms & plumbing in Darwen
Graham Johnson fits Vaillant boilers, builds complete bathrooms and sorts out leaks and drips across Lancashire and Greater Manchester. You'll get a clear, free quote before he picks up a tool.
One engineer for the whole job.
Boilers, plumbing, bathrooms and repairs: those are the badges painted on Graham's van, and they're what he does day in, day out. Whatever the job, the person who quotes for it is the person who does it.
Boilers and heating
Vaillant boiler installs and swaps, yearly services, breakdowns, radiators and whole heating systems.
Bathrooms and en-suites
Full refits from bare walls to the last bead of sealant, including tiling, wall panels and shower rooms.
General plumbing
New toilets, taps and showers, plus the pipes that supply them, fitted neatly and tested.
Leaks and repairs
Drips, leaks and faults traced to the source and put right, with the fix explained before anything starts.
A Vaillant ecoTEC Pro,installed by Graham
Every boiler Graham fits is a Vaillant.
Sticking to a single manufacturer means Graham knows each model he installs inside out, from the controls to the spare parts. Being approved by Vaillant means his installations meet the manufacturer's own standards.
- Vaillant approvedAssessed and approved by the manufacturer for the boilers he puts in.
- Faster fixesWorking on the same make week after week means faults get spotted quickly, and the right parts are usually already on the van.
- Extended guaranteesNew Vaillant boilers fitted by approved installers can come with longer manufacturer guarantees. Graham will tell you what applies to your model.
See the difference, start to finish.
Slide across to compare each room before and after Graham's refit. Choose a project on the right to swap it in.
In customers' own words.
At no point was I asked for additional money to cover x, y or z as the original quote had been so thorough.
His work ethic, professionalism and attention to detail is 1st class.
I cannot fault any aspect of Graham's work.
Distances are measured in a straight line from Darwen. Shaded areas show towns and copper lines show main roads. Map data from Natural Earth.
Covering 20 miles around Darwen.
From Preston and Wigan in the west to Rochdale and Oldham in the east, and up to Clitheroe in the north. Just beyond the ring? It's still worth asking.
- Darwen
- Blackburn
- Bolton
- Bury
- Rochdale
- Oldham
- Accrington
- Burnley
- Chorley
- Preston
- Leyland
- Wigan
- Horwich
- Ramsbottom
- Rossendale
- Heywood
- Clitheroe
- Littleborough
- Edgworth
Plus the villages close to home, such as Hoddlesden, Belthorn, Lower Darwen, Feniscowles, Pleasington, Tockholes, Egerton and Turton.
Got a job in mind?
Call, message on WhatsApp or send the quick form. Graham will book in a visit and price the job for free.

