A company built around doing the job right
Fuller Dempsey Developments operates across six core disciplines — boilers, gas, plumbing, bathrooms, heat pumps and air conditioning — to one standard, whether the job is a residential repair or a larger commercial install.
What that means for you
Vetted, accountable engineers
Every engineer working under the Fuller Dempsey name is qualified, DBS-checked, 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
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 London, and out to Kent
We cover residential and light commercial work across South East London, with regular jobs out toward Bromley, Bexley and the Kent borders. Outside this patch? Get in touch — for larger installs we'll often still travel.
Check we cover your area