24/7 EMERGENCY
Burst pipe? Boiler down? No hot water? Engineers on call right now —
Mon–Fri 8am–6pm · Sat 9am–5pm ·
Emergency line open 24/7
Gas Safe Reg: 123456
Trustpilot 4.9★
24/7 EMERGENCY
Burst pipe? Boiler down? No hot water? Engineers on call right now —
Emergency line open 24/7
Gas Safe Reg: 123456
Trustpilot 4.9★
We install, replace and repair radiators across Southwark — from cold-spot diagnosis in Camberwell and Peckham to full system powerflushes in older Dulwich properties. New radiators, TRVs, bleeding and balancing, all at a fixed price with no call-out charge.
SE1
SE5
SE15
SE16
SE17
SE21
SE22
🔒 No obligation. Fixed price confirmed before any work starts.
Trustpilot rating 1,800+ verified reviews
From single cold radiators to whole-house heating issues, these are the problems we’re called out for most often across Southwark.
Trapped air is the most common cause, stopping hot water circulating through the top of the radiator. Usually resolved by bleeding, but persistent air can point to a bigger system issue.
Sludge and debris settling at the base of the radiator restrict flow and reduce heat output — common in Southwark properties on older, un-flushed heating systems.
Could be a stuck valve, a balancing issue, or a blocked pipe run — particularly common in Camberwell and Peckham properties with original period pipework.
Leaks typically come from a worn valve or a corroded radiator body, while banging or gurgling noises usually point to trapped air or sludge moving through the system.
Correct diagnosis first, so you’re not paying for a powerflush when a bleed and a new valve would fix it — or vice versa.
Your engineer checks each affected radiator, valve and the wider system to identify whether the issue is trapped air, sludge, a faulty valve, or a balancing problem.
Depending on diagnosis, this may mean bleeding, replacing a valve, fitting a new radiator, or a full system powerflush to remove built-up sludge.
Once repairs are complete, radiators are balanced against each other so heat is distributed evenly across the whole property, not just the nearest radiator to the boiler.
The heating system is run through a full cycle to confirm even heat output before we finish, with any follow-up maintenance explained.
Radiator problems rarely stay isolated — they tend to affect boiler efficiency and heating bills across the whole property.
Sludge-clogged radiators force the boiler to work harder for the same output, increasing energy use across Southwark properties on older systems.
A dirty heating system puts unnecessary strain on the boiler's pump and heat exchanger — a powerflush protects the most expensive part of your heating system.
Balancing stops one radiator hogging the heat while others in Southwark bedrooms and living rooms stay cold, evening out comfort across the house.
Thermostatic radiator valves let you set different temperatures per room, avoiding heating unused rooms and reducing overall energy use.
Cost depends on the number of radiators affected and the work required. All prices confirmed before we attend — no call-out charge.
Diagnostic visit and air release
Like-for-like swap, existing pipework
New position, pipework extended
Thermostatic radiator valve fitted
Whole-house sludge removal
Whole-house heat distribution check
Fast arrival across all Southwark postcodes without the delays of London-wide dispatch, from Camberwell to Peckham and Dulwich.
Many Southwark streets have three and four-storey terraces — we carry the right ladders and access equipment to work safely at height.
Camberwell and Peckham's Victorian terraces often retain original cast iron guttering, which we can repair or replace like-for-like where preferred.
The same fixed pricing applies whether you're in SE21 Dulwich or SE1 Bermondsey — no zone uplift, no call-out charge, no extras added after the fact.
We offer scheduled seasonal clearance for properties near Dulwich Park and Peckham Rye, where heavy leaf fall causes recurring blockages.
All radiator work in Southwark carries our 12-month guarantee, issued in writing on the day of completion.
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“Living room radiator had been cold at the bottom for months, assumed we’d need a new one. Turned out to be sludge and a full powerflush sorted every radiator in the house, not just the one.”
“Old cast iron style radiator in the hallway of our Dulwich house had started leaking from the valve. Replaced with a modern equivalent that matched the room’s heat output, quick and tidy job.”
“Wanted TRVs on every radiator so we could stop heating rooms we weren’t using. Fitted across the whole house in one visit and explained how to set each one properly.”
Yes. We cover the entire Southwark borough — SE1, SE5, SE15, SE16, SE17, SE21 and SE22 — including Borough, Bermondsey, Camberwell, Peckham, Walworth and Dulwich, with no zone surcharge.
A bleed and inspection visit starts from £85, single radiator replacement from £190, and a new installation from £280. TRVs are £65 per valve, and a full system powerflush starts from £380. All prices confirmed before work begins.
If a radiator is cold at the top, it's usually trapped air and just needs bleeding. If it's cold at the bottom or across the whole radiator, sludge build-up is more likely, and a powerflush is the appropriate fix.
A full system powerflush typically takes 4–6 hours depending on the number of radiators and the level of sludge build-up, and is usually completed in a single visit.
Yes, in most cases. Thermostatic radiator valves let you heat only the rooms in use to the temperature you want, rather than every radiator running at the same setting.
In most cases, yes — a like-for-like replacement uses the existing pipe connections. If you're changing size, type or position, we'll advise on any pipework changes needed during the visit.
Fixed price confirmed before we start. Full clearance, repair or replacement. 12-month guarantee. All Southwark postcodes.
We also cover these neighbouring boroughs — same fixed prices, same-day availability.