Thamesmead's mix of 1970s system-built housing, low-rise estates and newer riverside developments needs an engineer who understands both eras. From tired original boilers in older maisonettes to the compact combis in Abbey Wood-side new builds, DHP London has covered SE28 for three decades.
Free written estimates in Thamesmead. £80 minimum labour if you go ahead. Straight-talking advice.
Thamesmead has always been one of our closer patches, our South East London base is only a short drive from the SE28 boundary. A lot of the original system-built stock is still on ageing boilers and undersized cylinders, while the newer developments along the river have their own quirks around communal systems and compact utility cupboards. We work happily across both, and know which side of the estate the water pressure drops on.
About 2 miles from our Plumstead base · approx 10 minutes on a normal traffic day.
Neighbourhoods we cover
The jobs below make up the bulk of our week inside SE28. Every one is priced in writing, Gas Safe compliant.

Cold radiators, no hot water, an F1, F22 or E133 lockout code, we've seen every fault on every major boiler over the last 30+ years. Fixed-price diagnostic, honest recommendation on repair versus replace, no upsell.

A quiet, efficient, A-rated boiler installed by a Gas Safe engineer with over 30 years on South East London homes, lower bills, hotter showers, and the manufacturer warranty registered in your name before we leave.

Statutory annual gas safety inspection carried out by a Gas Safe registered engineer, certificate emailed to tenant and agent within hours, records retained for 10 years, everything you need to stay legally compliant as a landlord in South East London.

A new bathroom without the six-trades chaos. Danny sits with you, sketches the layout, sources fittings, then plumbs, tiles and finishes with a small trusted team, clean site, agreed timeline, one point of accountability from first sketch to final silicone bead.

Suspect a gas leak, need a safety inspection, or moving in and want the appliances checked before you use them? A Gas Safe registered engineer on-site as quickly as we can, with the tools, tightness testing kit and combustion analyser to prove the job's been done right.

New electric showers supplied and installed by a plumber-and-electrician team, sized to your mains pressure and consumer unit capacity, RCD-protected, cable-upgraded where needed, and certified end-to-end.
Every fact below comes from how we actually run the business, over 30 years continuously trading from the same Plumstead yard, one Gas Safe registration.
From our yard to SE28
Working across Thamesmead
Minimum labour, transparent
159 Google reviews
Local heating and plumbing issues are rarely random. They follow the era of the property, the pipework, the water conditions and the way the house has been extended. Here is what our diary in SE28 actually looks like.
A lot of Thamesmead's older stock still uses undersized cylinders and airing-cupboard boilers on layouts that have been patched rather than upgraded. We do the survey properly before quoting so the result actually fits how the family lives now.
Some newer SE28 developments run on communal heat interface units rather than individual boilers. If your system is a HIU, we will tell you honestly whether the problem is inside your flat or on the shared side.
Original ventilated hot-water setups often leave airing cupboards permanently damp and pumps whining. Sealing the system and specifying a proper modern pump usually solves both in a single visit.
A common Thamesmead call is a new owner realising the boiler is on its last legs. We give a clear repair-versus-replace answer with numbers, so a stretched buyer isn't pushed into an unnecessary £3k boiler.
SE28 has a big shared-ownership and rental market. We issue CP12s quickly, put annual services on the diary, and always keep the paperwork the freeholder or managing agent will want to see.
Speak to Danny or the office team direct on 07956 994429. Describe the problem or the project in Thamesmead, we'll tell you what we need to see.
For anything bigger than a diagnostic, we survey the property and send a fixed, written quote. No sales pressure and no vague phone-guess pricing.
Because we're based in Plumstead, Thamesmead visits get a real time window rather than a vague 'sometime today'. Approx 10 minutes from the yard.
All gas work is carried out by Danny or a supervised engineer under Gas Safe registration #180521, and notified where legally required.
Manufacturer boiler warranty (typically 7–10 years) registered in your name, plus full documentation for landlord or property records.
Yes. West, Central and East Thamesmead are all inside our core service area, and we are physically closer than most SE London plumbers.
Around 10 minutes from our Plumstead yard on a normal traffic day. Booked jobs are usually as soon as we can schedule you in; genuine emergencies during 9am–9pm office hours get prompt dispatch where possible.
Yes, on the in-flat side. If a problem turns out to sit on the shared HIU or the building-owned network, we will tell you honestly so you can chase the managing agent instead of paying us to keep looking.
It depends entirely on size, brand, controls and any pipework changes. Every quote is written and fixed after a proper survey; £80 minimum labour applies once work is agreed.
Yes. Danny is Gas Safe registered (#180521) and issues CP12 landlord certificates across Thamesmead, usually within a day or two of the request.
Yes. Electric showers are a common upgrade in Thamesmead flats where hot water pressure or capacity is limited. We supply and install with proper isolation and Building Regulations compliant electrical safety.
Yes, our office runs 9am–9pm, seven days a week. Weekend and evening bookings are normal for us, not an exception.
Yes. We work on both the older council-era stock and the newer private developments along the river. Where a block has specific rules on flue routes or contractor sign-off, we respect them.
The manufacturer's warranty on any new boiler (typically 7–10 years) is registered in your name before we leave site.
Not in Thamesmead itself? These are the neighbouring postcodes we cover on the same round. Or head back to our home page for the full service and area list, or straight to our contact form.
Speak to Danny directly. Free written estimate, honest advice, and a fair fixed price. over 30 years on the tools in Thamesmead and next door, we know what we’re looking at.