A company built around doing the job right
Fuller & Dempsey Developments operates across air conditioning, boilers, gas, plumbing, kitchens, bathrooms and general building — to one standard, whether the job is a small repair or a full fit-out.
What that means for you
Vetted, accountable engineers
Every engineer working under the Fuller & Dempsey name is fully qualified and accountable to us for the standard of their work.
Fixed quotes, no surprises
For anything beyond a straightforward repair, you get a written price before work starts — and we hold to it.
One company, every trade
Boiler, bathroom, and air con on the same job? One point of contact handles all of it.
Guaranteed workmanship
Every job comes with a written guarantee and a number to call if anything needs a follow-up visit.
Certifications & cover
Public liability insurance and MCS accreditation are in progress — we'll update this page once confirmed.
From call to completion
Get in touch
Call, message, or use the form below. Tell us the postcode and what's going on.
Fixed quote
For anything beyond a simple repair, we'll survey the job and give a fixed price in writing.
Work carried out
Your engineer turns up on time, protects the property, and does the job properly.
Sign-off & guarantee
You get certification where it applies, plus a written guarantee and a number to call.
South East & South West London, out to Kent — and beyond for larger projects
The postcode areas below are where we work regularly. For larger installs, refurbishments and building projects, we travel well beyond this list — get in touch wherever you're based and we'll let you know.
Domestic properties only — we don't currently take on commercial gas work.
Check we cover your area