Costs & pricing
How much does a new boiler cost in Wigan?
What a new combi, system or regular boiler realistically costs in the Wigan area, what changes the price, and how to read a boiler quote properly.
Read guideBoiler service cost — and what a proper service includes
What you should get for an annual boiler service, how long it takes, what a cheap 'visual check' misses, and why servicing protects your warranty.
Read guidePower flushing: cost, symptoms and when it's genuinely needed
How to tell whether your heating system really needs a power flush, what it costs, how long it takes and what a chemical flush does instead.
Read guideAir source heat pump costs and the Boiler Upgrade Scheme
What an air source heat pump installation involves, what affects the cost, how the Boiler Upgrade Scheme grant works and which homes are suited.
Read guideRepair or replace? How to decide on an ageing boiler
A practical way to decide whether to repair an older boiler or replace it — parts availability, repair frequency, efficiency and the break-even point.
Read guideFaults & troubleshooting
Boiler losing pressure: causes and what to check
Why a boiler keeps losing pressure, how to tell a leak from a failed expansion vessel or PRV, and what you can safely check before calling an engineer.
Read guideNo hot water but the heating works — what's wrong
When radiators are hot but the taps are cold, the fault is usually in the hot water side. Here's how the diagnosis works on combi and cylinder systems.
Read guideRadiators cold at the bottom (or the top): what it means
Cold at the top means air, cold at the bottom means sludge, cold all over means flow. How to read your radiators and what fixes each pattern.
Read guideBoiler fault codes and lockouts: what they're telling you
Why boilers lock out, what the common fault code families mean, when a reset is safe and when repeatedly resetting is doing damage.
Read guideFrozen condensate pipe: the cold-snap fault
Why condensing boilers shut down in freezing weather, how to safely thaw the pipe, and the permanent fixes that stop it happening every winter.
Read guideNoisy boiler: banging, kettling and humming decoded
What each boiler noise actually means — kettling, banging pipes, humming, whistling — and which ones need attention before they cause damage.
Read guideLeaking boiler: what to do first
Immediate steps for a leaking boiler, what the leak location tells you about the cause, and which leaks mean stop using the appliance now.
Read guideHeating won't come on: thermostats, controls and wiring
When the boiler is fine but the heating won't fire, the fault is usually in the controls. How to check thermostats, programmers and motorised valves.
Read guideSystems & equipment
Combi vs system boiler: which suits your home?
The honest comparison between combi and system boilers: hot water demand, bathrooms, mains pressure, space, and which homes should not switch to a combi.
Read guideCombi boiler sizing: why bigger isn't better
How combi boilers are sized in kW, why oversizing wastes money and cycles the boiler, and how bathrooms and mains flow decide the right output.
Read guideSystem boilers and hot water cylinders explained
How system boilers and unvented cylinders work together, cylinder sizing, recovery times, and what to check on an older vented system.
Read guideMagnetic filters and inhibitor: the cheapest protection you can buy
What a magnetic system filter does, why inhibitor levels matter, how often both should be checked, and how they protect your boiler warranty.
Read guideSmart thermostats: what actually makes a difference
Which smart thermostat features genuinely save energy, what weather compensation and load compensation do, and how controls should be set up.
Read guideRadiator upgrades for heat pumps and low-temperature heating
Why heat pumps need bigger emitters, how to tell which radiators must change, and what low-temperature heating feels like day to day.
Read guideThe boiler brands we install, and why
How we choose between Worcester, Vaillant and Ideal boilers, what parts availability means for repairs, and why the installer matters more than the badge.
Read guideHow it works
What happens on boiler installation day
A step-by-step walkthrough of a boiler installation day — arrival, isolation, removal, fitting, flushing, commissioning, registration and handover.
Read guideMoving a boiler to another room: what's involved
Thinking of relocating your boiler to the loft, garage or a kitchen cupboard? What changes, what the regulations require and what makes it costly.
Read guideHow to prepare for an air source heat pump survey
What a heat pump survey covers, what information helps, and the checks that decide whether your home is ready for low-temperature heating.
Read guideBoiler warranty rules explained (and how people void them)
How manufacturer boiler warranties actually work, the conditions that matter, and the common mistakes that invalidate cover when you need it most.
Read guideLandlord gas safety certificates (CP12) explained
What a CP12 covers, how often it's required, what happens at the inspection, and how landlords keep compliant across multiple properties.
Read guideLandlords, buyers & business
Landlord heating compliance checklist
A practical annual checklist for landlords: CP12 timing, records, servicing, carbon monoxide alarms, access issues and portfolio scheduling.
Read guideBuying a house with an old boiler: what to check
What a homebuyer should check about the heating system before completing, which survey comments matter, and how to plan a replacement sensibly.
Read guideCommercial and light-commercial boiler servicing
What commercial and light-commercial premises need from gas servicing: duty of care, records, planned maintenance and minimising downtime.
Read guideHeat pump vs gas boiler: how running costs really compare
The honest comparison of heat pump and gas boiler running costs — efficiency, unit prices, system design and the factors that decide the outcome.
Read guideHeating for new builds, extensions and renovations
How to plan heating for an extension or renovation — whether the existing boiler can cope, first-fix timing, and coordinating with other trades.
Read guideGetting your heating ready for winter
A pre-winter heating checklist: the September test run, bleeding, pressure, condensate protection, controls and booking a service before the rush.
Read guideLooking for your town instead?
Every area we cover has its own page with local service listings.
Areas we cover