No heating / no hot water
Quick triage checks (pressure basics, thermostat/programmer, frozen condensate signs). If it doesn’t recover, we’ll fault-find properly. If it’s running but won’t ignite, see boiler not firing.
Quick checks before calling
Boiler Repairs in London
Gas Safe fault-finding for no heating, leaks, pressure & lockouts
Boiler not working properly? We carry out professional boiler repairs across East & North East London.
We fault-find properly, explain your options clearly, and provide honest advice on repair vs replace. Same-day when possible.
Availability: Open 24/7 (Mon–Sun)
Coverage: Newham, Tower Hamlets, Hackney, Waltham Forest, Redbridge, Barking & Dagenham
Best call info: Boiler make/model + any fault code
We repair boilers suffering from low pressure, kettling noises, cold radiators,
boilers that keep turning off, and brand-specific faults on Worcester Bosch, Vaillant and
Viessmann systems across East London homes.
If you have emergency boiler repair if you have no heat,
that’s the fastest route. If diagnosis shows replacement is smarter, use
boiler installation cost if replacement is needed.
If you searched boiler repairs near me, you usually want one thing: a straight answer and a fix that actually lasts.
We’re ARA Services Ltd — Gas Safe engineers carrying out local boiler repairs across East & North East London.
If you need
boiler repair in Newham
or
boiler repair in Forest Gate,
we can usually advise quickly on the phone and book the next sensible step.
We test, diagnose, and repair properly — and if a repair doesn’t make sense (age/parts/repeat failures), we’ll tell you that too.
Gas Safe engineers
Open 24/7 (Mon–Sun)
Same-day when possible
Clear options before work
Boiler fault-finding
Reviewed by Abdul — Gas Safe Engineer, ARA Services Ltd.
Gas Safe Reg No:
626557
· Last updated: 2 February 2026
For common faults, start here: Quick checks for no heating / no hot water. If there’s water around the boiler, read: leak safety guidance.
What we fix (common boiler faults)
A proper boiler repair starts with proving what’s wrong — not guessing. These are the issues we see daily across London flats, terraces and rentals.
Boiler losing pressure
The “keeps dropping” problem — PRV behaviour, expansion vessel issues, hidden leaks, filling loop mistakes.
Why boiler pressure keeps fallingLeaks & water around the boiler
What to do immediately and what it usually means (PRV pipe vs internal leak vs condensate). Read: is a leaking boiler dangerous.
Boiler leak safety guidanceBanging, kettling, whistling
Noises that are just annoying vs noises that are warning you something’s about to fail. Learn the difference here: boiler making banging or kettling noises.
Understand boiler noisesLockouts & error codes
“It runs then stops.” Reset advice (once only), common causes, and what we need on the phone. If it keeps failing, see: boiler keeps turning off or locking out.
Help with lockouts & codesRepair costs in London
Typical ranges, what drives price, parts vs labour, and timing expectations. Start here: boiler repair cost in London.
See London repair cost rangesHeating problems we diagnose: If radiators heat at the top but stay cold lower down, here’s the straight explanation — why radiators go cold at the bottom.
Not sure what’s wrong yet? These quick diagnostic guides help you match the symptom to the likely cause — then we can repair the right thing first time.
Boiler pressure keeps dropping (causes + safe checks)
Radiator cold at the bottom (sludge vs air, and what actually fixes it)
Kettling boiler noise causes (when it’s limescale, flow, or a bigger issue)
Radiators not heating upstairs (circulation, balancing and blockages)
If you’re in a Newham terrace or an older flat with odd pipe runs and half-working radiators, these guides are written for that reality — not “perfect lab conditions”.
Common boiler fault signs
When people call for “a boiler repair”, it’s usually one of these three patterns. If yours matches, these quick symptom guides will help you understand what it could be, what’s safe to do right now, and when it’s time to stop guessing and get a Gas Safe engineer involved.
- loud banging noises overnight
- boiler keeps shutting down when it’s cold
- burning smell near the boiler cupboard
If anything feels unsafe (strong smell, scorch marks, or you feel unwell), don’t wait — use our emergency boiler repair if you have no heat hub and we’ll talk you through the next step.
How we handle boiler repairs (proper diagnosis first)
The most common reason boiler repairs fail is simple: the fault was never properly proven in the first place. We focus on fault-finding first — then a repair that makes sense.
If you’re stuck deciding between repairing or replacing a boiler, this guide breaks it down in plain English (age, parts availability, repeat faults, and when a “cheap fix” turns into a money pit).
We’ll ask for the boiler make/model, any fault code, and what happened before it failed. Then we’ll explain what’s likely going on, what can be checked quickly, and what needs proper testing.
Common boiler breakdown scenarios we see daily
If hot water has stopped but the heating still works: why combi boilers lose hot water
If your boiler display is showing a fault code or keeps locking out: boiler error codes explained in plain English
If a repair doesn’t make sense (age, repeated failures, parts viability), we’ll say it and point you toward boiler installation options without the hard sell. If you’re researching replacement costs, this guide helps: boiler installation cost if replacement is needed.
- ✓We fault-find with measurements, not guesses
- ✓We explain your options before replacing parts
- ✓We’re local (Forest Gate base) — not a call centre
- ✓Same-day when possible, with honest ETAs
Need a boiler repair today?
Call with the boiler make/model and any fault code. If it’s safe to do so, we’ll talk you through quick checks first — and book a proper visit when it clearly needs testing and repair.
Call ARA Services (24/7)Boiler repairs across East & North East London
We’re based around Forest Gate and cover nearby areas for boiler fault-finding, repairs, and heating diagnosis. If you’re unsure whether you’re in range, message your postcode and we’ll advise quickly.
- Forest Gate
- Stratford
- Maryland
- Manor Park
- Upton Park
- Plaistow
- East Ham
- Ilford
- Leyton
- Leytonstone
- Hackney
- Tower Hamlets
- Walthamstow
- Bow
- Barking
Business address: Durning Hall, Suite 14, Hyat Hub 14, Earlham Grove, London E7 9AB · Phone: 07727 154746 · Open 24 hours
Most failed repairs come down to poor diagnosis. We test properly, then repair what’s actually causing the fault — not a “maybe this part” cycle.
Boiler repairs FAQ
These are the questions we hear most when customers book boiler repairs in East London.
Why does my boiler keep losing pressure?
Boilers commonly lose pressure due to a leak on the heating system, a faulty pressure relief valve (PRV), expansion vessel issues, or a problem with the filling loop. If you are topping up repeatedly, the underlying fault still needs proper testing and repair.
Why are my radiators cold at the bottom?
Hot at the top but cold at the bottom often points to sludge or restricted circulation. Bleeding can help if there’s trapped air, but persistent cold spots may require balancing, targeted cleaning or a system flush after diagnosis.
What is kettling?
Kettling is a rumbling or whistling noise caused when water flow is restricted and overheats locally inside the boiler heat exchanger, often due to limescale or sludge. The correct fix depends on diagnosis, so parts should not be replaced on guesswork.
Why does my boiler keep turning off?
Boilers can keep turning off due to low pressure, overheating, ignition faults, sensor issues, blocked condensate pipework, or unstable system circulation. If resets keep happening, a proper fault-find is needed so the real cause is fixed.
Reviews from local customers
We keep it simple: turn up, diagnose properly, explain options, and leave the place tidy.
“Explained everything clearly and fixed the issue properly.”
— East London homeowner
“Fast response, honest advice, no upsell.”
— Landlord (E postcode)
“Boiler kept losing pressure — sorted it properly.”
— Local customer
Google rating: 5.0 (34 reviews) · Read reviews on Google