07956 994429 020 8244 0912 INFO@DHPLUMBING.CO.UK GAS SAFE REGISTERED#180521 AboutServices Service Areas Our WorkReviewsContact 07956 994429020 8244 0912 Request EstimateQuote - Home - Service Areas - Eltham Gas Safe #1805214.9★ · 159 Google reviewsSE9 # Plumbing, Gas & Heating Engineersin Eltham 1930s semis are our bread and butter Eltham is dominated by 1930s and 1950s semi-detached homes with the same handful of heating problems repeating decade after decade: oversized boilers, undersized radiators, tired systems full of sludge. We have been fixing exactly that pattern in SE9 for over 30 years, and we know what actually needs replacing versus what just needs commissioning properly. Request a free estimate Call 07956 994429 Call 020 8244 0912 Free written estimate anywhere in Eltham. £80 minimum labour if you go ahead. Honest 'repair vs replace' advice. 30+ yrs Working SE9 continuously 180521 Gas Safe registration £80 Minimum labour, quoted up front 7 days Office open every day 8am–9pm Local relevance ## Why Eltham customers keep calling us back. Eltham's housing stock is a plumber's textbook. Progress Estate cottages, Well Hall Road semis, Eltham Palace-side detached homes, the Coldharbour Estate, plus post-war infill, all sharing the same era of steel radiators, cast-iron pipework and boilers that have been replaced once or twice on autopilot. Our job in SE9 is usually to break the autopilot: measure the property properly, size the new system to the actual heat loss, and stop the family paying to heat sludge. About 3 miles from our Plumstead base · approx 10–15 minutes on a normal traffic day. Neighbourhoods we cover Eltham High StreetWell HallNew ElthamMottinghamProgress EstateColdharbourEltham Palace We serve ElthamWe cover the whole of Eltham SE9, from Eltham High Street and the Palace end through Well Hall, New Eltham, Mottingham and out to the Coldharbour and Progress Estates. Response timesEltham is about a 10–15 minute run from our Plumstead yard. Booked jobs are usually as soon as we can schedule you in; emergencies during 8am–9pm office hours get prompt dispatch where possible. Property types we knowAround three quarters of the work we do in Eltham is on 1930s and 1950s semis and terraces, plus the Progress Estate cottages and a smaller number of larger detached houses near the Palace. Common Eltham jobsThe Eltham phone tends to ring for cold-upstairs central heating, dying combis on 10–12 year cycles, kitchen-into-bathroom re-plumbs during extensions, and CP12 landlord certificates on the busy rental sub-market. Services in Eltham ## What we get called out for in Eltham. The jobs below make up the bulk of our week inside SE9. Every one is priced in writing, Gas Safe compliant. ### Boiler Repairs 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. VIEW SERVICE ### Boiler Installation 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. VIEW SERVICE ### Central Heating Installation A complete central heating system designed around your home, from heat loss calculation and boiler sizing through radiators, zoning, controls and commissioning. One team, one accountable install, warrantied in writing. VIEW SERVICE ### Power Flushing A proper high-flow reverse flush that strips a decade of magnetite sludge out of your radiators and pipework, restoring flow, quieting the boiler, cutting gas bills, and unlocking manufacturer warranty on any new install. VIEW SERVICE ### Landlord Gas Safety (CP12) 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. VIEW SERVICE ### Bathroom Installation 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. VIEW SERVICE Why choose DHP in Eltham ## Concrete reasons, not marketing lines. 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. 30+ yrs Working SE9 continuously 180521 Gas Safe registration £80 Minimum labour, quoted up front 7 days Office open every day 8am–9pm - Gas Safe registered #180521 - 4.9★ average from 159 Google reviews - Office open 8am–9pm, 7 days a week Eltham property patterns ## The problems we see again and again in Eltham. 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 SE9 actually looks like. ### 1930s semi heating layouts Eltham semis were plumbed for a very different era. Small-bore pipework, undersized upstairs radiators and boilers picked on price rather than heat loss are the norm. We resize honestly rather than fitting like-for-like. ### Sludge in old steel radiators Steel radiators fitted 20+ years ago in SE9 are usually full of magnetite. A power flush plus a proper magnetic filter often gets a system running like new without touching the boiler. ### Progress Estate cottages These are protected properties with real character. We work around the original features, keep external pipework tidy and route flues in a way the estate rules accept. ### Extensions and rear kitchens A common Eltham job is a rear kitchen extension where the boiler ends up moved, the radiator circuit is broken, and the hot water pressure changes. We plan the pipe route with the builder before the slab goes down, not after. ### Landlord compliance in SE9 Eltham has a large rental market. We batch landlord CP12 inspections, flag any borderline appliances in writing, and can hold annual servicing on a diary for portfolios. Our process ## The same five steps for every Eltham job. - 1 ### Call the office Speak to Danny or the office team direct on 07956 994429 or 020 8244 0912. Describe the problem or the project in Eltham, we'll tell you what we need to see. - 2 ### Free written estimate 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. - 3 ### Booked visit, real time window Because we're based in Plumstead, Eltham visits get a real time window rather than a vague 'sometime today'. Approx 10–15 minutes from the yard. - 4 ### Work carried out to Gas Safe standard All gas work is carried out by Danny or a supervised engineer under Gas Safe registration #180521, and notified where legally required. - 5 ### Documented sign-off Manufacturer boiler warranty (typically 7–10 years) registered in your name, plus full documentation for landlord or property records. Eltham FAQs ## Questions we hear from Eltham customers. Do you cover the whole of Eltham?+Yes. SE9 including Eltham High Street, Well Hall, New Eltham, Mottingham, Progress Estate and the Coldharbour Estate is all inside our core service area. How quickly can you get to Eltham?+Eltham is roughly 3 miles and 10–15 minutes from our Plumstead base. Booked jobs are usually as soon as we can schedule you in. Why is my upstairs cold in an Eltham semi?+Almost always a balance and sludge problem, not a boiler problem. We check flow and return temperatures, balance the system properly, and recommend a power flush only when it genuinely needs one. How much is a boiler replacement in Eltham?+It depends on the boiler size, brand, controls and any pipework changes. We give a fixed written quote after a proper survey, no phone-guess prices. £80 minimum labour on anything that goes ahead. Do you do landlord gas safety certificates in Eltham?+Yes. Danny is Gas Safe registered (#180521) and issues CP12 certificates for private landlords and agents across SE9, usually within a day or two of the request. Can you work on the Progress Estate?+Yes, and we respect its heritage status, external pipework kept tidy, flue routes agreed in advance, no unnecessary visible changes. Do you install radiators as part of a heating upgrade?+Yes. When we quote a new boiler in Eltham we normally include a radiator review, undersized upstairs radiators are the single most common reason SE9 semis feel cold. Are you available at weekends?+Our office runs 8am–9pm, seven days a week. Weekend bookings are common, especially for boiler installs when the household doesn't want a weekday without heating. Do I get a guarantee?+Yes. The manufacturer's warranty on any new boiler (typically 7–10 years) is registered in your name before we leave site. Nearby areas ## We also cover the streets next door to Eltham. Not in Eltham 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. South East London Blackheath SE3 · SE13 North West Kent Sidcup DA14 · DA15 North West Kent Bexley DA5 · DA6 · DA7 South East London Woolwich SE18 Book a visit in Eltham ## Ready to get it sorted in Eltham properly? Speak to Danny directly. Free written estimate, honest advice, and a fair fixed price. over 30 years on the tools in Eltham and next door, we know what we’re looking at. Call 07956 994429 Call 020 8244 0912Request estimate - Gas Safe registered #180521 - 4.9★ from 159 Google reviews - Office 8am–9pm, 7 days a week - About 3 miles from our Plumstead base - Covers SE9 Gas Safe registered plumbing, gas & heating engineers with 40 years of local experience across South East London. Gas Safe #180521 Company No. 06064438 Services - Boiler Installation - Boiler Repairs - Power Flushing - Gas Safety Engineer - Landlord Gas Safety (CP12) - Gas Fires & Cookers - Heating Engineer - Central Heating Installation Service Areas - Greenwich · Woolwich - Blackheath · Eltham - Thamesmead · Plumstead - Abbey Wood · Erith - Dartford · Bexley · Sidcup Contact - 07956 99442924/7 Emergency - 020 8244 0912Office landline - info@dhplumbing.co.uk - London - Office: 8am – 9pm, 7 days a week © 2026 DHP London Ltd. All rights reserved. AboutOur WorkReviewsContactPrivacyTerms Call nowGet a quote