Covent Garden, London•Mon–Fri 8am–5pm•24/7 On-Line•chelsea_hpco@hotmail.com Covent Garden • 24/7 On-Line Gas Safe Reg. 952303 HomeAboutServicesBoiler InstallationBoiler RepairsBoiler ServicingGas EngineerLandlord CP12Smart ControlsRadiatorsPlumbingDrainagePowerflushingCentral HeatingHot Water CylindersBathroomsView all Services → AreasElthamMottinghamNew ElthamKidbrookeBlackheathSidcupWellingBexleyheathChislehurstBromleyWoolwichLeeGreenwichLewishamLondonKentView all Areas → Our WorkContact07460 067161 Request Estimate HomeService AreasBlackheath Gas Safe Reg. 952303 · Greenwich / Lewisham · SE3 # Period PropertyHeating Engineer, Blackheath Blackheath's Georgian and Victorian houses need heating engineering, not boiler swapping. Ian Fisher — Gas Safe 952303, G3 Unvented certified — designs and installs systems that suit tall, solid-walled period homes and the conservation constraints that come with them. Request Free Estimate 07460 067161 Careful in period property · Written estimates · 12-month guarantee Gas Safe Reg. 952303 Owner-operated Ian Fisher Workmanship guarantee 12 Months Fixed-price options No VAT Owner-engineer Ian Fisher Local relevance ## Working in Blackheath,not just passing through. Blackheath is one of the most architecturally sensitive areas we work in. Tall Georgian townhouses, Cator Estate villas and the mid-century Span developments all present specific problems: solid walls with high heat loss, three or four storeys of vertical distribution, and finishes you cannot afford to damage while running pipework. Multi-storey period houses rarely work well on a single combi. Hot water demand at the top of the house, several bathrooms and long distribution runs generally point to a system boiler with a correctly sized unvented cylinder and, often, zoned controls so upper and lower floors are heated independently. Conservation-area and listed constraints affect flue positioning, external condensate routing and visible pipework. We plan these before quoting so nothing is improvised on the day, and we keep external interventions as discreet as the property demands. Original cast-iron radiators are worth keeping in most Blackheath houses. They can be flushed, refurbished and re-valved rather than skipped — but they carry huge water volumes and need proper system cleaning and inhibitor dosing to stay serviceable. Coverage Blackheath Village, the Cator Estate, Blackheath Park, Tranquil Vale, Montpelier Vale, Shooters Hill Road and the streets bordering Greenwich and Lee. Response times Same-day or next-day attendance is common for urgent SE3 faults; design-led installation work is scheduled after an on-site survey. Out-of-hours £150/hr, subject to availability. Property types Georgian and early-Victorian townhouses, Cator Estate villas, mid-century Span housing, converted flats and mansion-style conversions. Common needs Multi-bathroom system design, unvented cylinder installation, cast-iron radiator work, discreet pipe routing in listed and conservation-area properties, and powerflushing of ancient circuits. Services available in Blackheath ## Every service we offeris available in Blackheath. ### Boiler Installation New combi, system and regular boilers, sized to your property and fitted with a 7–10 year manufacturer warranty. View service ### Boiler Repairs Diagnostic-first repairs on all major brands. Fixed-price where possible, out-of-hours cover available. View service ### Boiler Servicing Annual services that keep your manufacturer warranty valid and catch faults before they become breakdowns. View service ### Gas Engineer Independent Gas Safe engineer for cookers, hobs, gas fires, meter runs, tightness tests and leak investigation. View service ### Landlord CP12 Gas Safety Certificates for private landlords and letting agents — same-day PDF issue where access allows. View service ### Smart Controls Nest, Hive, tado, Vaillant and Honeywell smart heating controls — wired, zoned and app-commissioned properly. View service ### Radiators New radiator installation, replacement, TRV upgrades and relocation — sized to your room, balanced properly. View service ### Plumbing Leak repair, taps and mixers, cold water tanks, isolation valves and refurb first-fix and second-fix plumbing. View service ### Drainage Blocked sinks, baths, showers and toilets cleared. External chamber jetting and boiler condensate re-routes. View service ### Powerflushing Chemical system flushing to remove sludge, restore radiator output and protect new boiler warranties. View service ### Central Heating Full system design, installation and upgrades — boilers, radiators, controls, cylinders and pipework. View service ### Hot Water Cylinders G3-qualified unvented and vented cylinder installation, servicing and repair. Megaflo, OSO, Gledhill and Telford. View service ### Bathrooms Full bathroom installations and refurbishments — plumbing, heating and hot-water scoped as one job. View service Why choose us in Blackheath ## Concrete reasons,not sales patter. Every point below is verifiable. Gas Safe number, qualifications and guarantee terms are all published on your certificate and estimate. Genuine period-property experience: solid walls, cast iron, multi-storey distribution, conservation constraints. G3 Unvented certified for high-demand hot water in multi-bathroom houses. Heat-loss design rather than like-for-like replacement in high-ceilinged rooms. Tidy, protected working practices in decorated period interiors. Gas Safe 952303, written fixed-price estimates, 12-month workmanship guarantee. Local property issues ## What we seemost often in Blackheath. Blackheath's period and mid-century housing throws up problems rarely seen in standard suburban stock. ### Cast-iron radiators full of magnetite Original radiators hold enormous water volumes and decades of corrosion. Without a proper powerflush and inhibitor regime they will destroy a new boiler's heat exchanger inside a couple of heating seasons. ### Weak hot water on upper floors Third-floor showers in townhouses suffer badly on combis and gravity systems. An unvented cylinder sized to actual simultaneous demand, or a properly specified pump arrangement, resolves it. ### High heat loss in tall solid-walled rooms Original sash windows, high ceilings and uninsulated solid walls mean radiator sizing from a standard chart falls short. We calculate room by room, then specify emitters that actually meet the load. ### Flue and condensate routing in conservation areas Where an external flue terminal or condensate run is visually or legally constrained, the appliance position and route must be planned in advance — sometimes with a vertical flue or internal condensate termination. ### Span and mid-century housing with dated systems The Cator Estate's mid-century houses often retain original layouts with underfloor voids and awkward plant positions. Modernising them needs planning, not a straight swap. Our process ## The same methodical process,wherever we work. - 01 Call or enquire Ian answers the phone directly and takes the fault, property type and address. - 02 On-site assessment A booked visit to your Blackheath property to measure, test and specify properly. - 03 Written estimate Fixed-price options in writing before any work begins. No pressure, no upsell. - 04 Scheduled works Booked at your convenience. Same engineer arrives, tidies as he goes and commissions on completion. - 05 12-month follow-up Workmanship guaranteed for 12 months, with a diarised follow-up service. Blackheath FAQ ## Answers beforeyou commit. Not covered here? Call Ian directly on 07460 067161. Can you work in a listed or conservation-area property in Blackheath?Yes. We plan flue positions, condensate routes and pipework runs to minimise visual impact and comply with local constraints, and we discuss anything externally visible with you before the installation is booked. Should I keep my cast-iron radiators?Usually yes — they are excellent emitters and part of the property's character. They need a thorough powerflush, new valves and correct inhibitor dosing, plus a magnetic filter to protect the boiler afterwards. Do I need a combi or a system boiler in a Blackheath townhouse?In a three or four-storey house with more than one bathroom, a system boiler with an unvented cylinder almost always outperforms a combi. We confirm it with a mains flow and pressure test and a heat-loss calculation before recommending anything. What does a boiler installation typically cost in Blackheath?Boiler installations in Blackheath are quoted in writing after an on-site assessment — we don't give phone-quote figures because the flue route, gas-supply size, controls, filter and cylinder work all affect price. Labour is charged at £90/hr Mon–Fri 8am–5pm on hourly work and £150/hr out-of-hours; installations are usually a fixed price against the written estimate. No VAT is currently charged. Do you offer emergency call-outs in Blackheath?Yes — out-of-hours cover is available in Blackheath, charged at £150/hr. For genuine emergencies (gas leaks, no heat with vulnerable occupants) call 07460 067161 directly and Ian will advise on response time. Do you provide a written estimate before starting work in Blackheath?Always. For installations and larger jobs we assess on site, then send a written fixed-price estimate. Nothing starts until you've accepted it in writing. Is the work guaranteed in Blackheath?Yes. Every job carries a 12-month workmanship guarantee. On new boiler installations, manufacturer warranties are typically 7–10 years, subject to annual servicing. Are you Gas Safe registered?Yes — Gas Safe Register number 952303. Every gas job in Blackheath is carried out and certified by a registered engineer, and our number appears on every certificate. Do you subcontract work in Blackheath?No. Ian Fisher, the owner, personally carries out or supervises every job in Blackheath. One point of contact from first call to twelve-month follow-up. Which payment methods do you accept?Bank transfer and card payments are both accepted for jobs in Blackheath. No VAT is currently charged. Nearby areas we coverGreenwichLeeKidbrookeLewishamAll areasHomepageContact Book with confidence ## Fixed price. Gas Safe.12-month guarantee. Free estimates from Ian directly across Blackheath — no call centre, no subcontractors, no surprise bills. Same engineer from first call to twelve-month follow-up. Request Free Estimate 07460 067161 Gas Safe registered plumbing and heating specialists based in Covent Garden — boiler installation, servicing, repair and full central heating across South East London and the Kent border. Gas Safe Reg. 952303 · ACS · G3 Unvented · NVQ Level 3 ### Services - Boiler Installation - Boiler Repairs - Boiler Servicing - Gas Engineer - Landlord CP12 - Smart Controls - Radiators - Plumbing - Drainage - Powerflushing - Central Heating - Hot Water Cylinders - Bathrooms ### Areas - Eltham - Mottingham - New Eltham - Kidbrooke - Blackheath - Sidcup - Welling - Bexleyheath - Chislehurst - Bromley - Woolwich - Lee - Greenwich - Lewisham ### Contact - 71–75 Shelton Street,Covent Garden,London WC2H 9JQ - 07460 067161 - chelsea_hpco@hotmail.com - Mon–Fri 8am–5pmOut-of-hours cover available24/7 On-Line — line available 24/7 © 2026 Chelsea Plumbing & Heating Co. All rights reserved. AboutOur WorkContactPrivacyCookiesTerms Call NowGet Estimate We use only strictly necessary cookies to run this site. Cookie Policy OK