Gas Safe boiler swaps, conversions, and relocations with quotes across leading brands








Moving into a home in Wigan, Greater Manchester often brings one immediate question: keep the existing boiler, or replace it now. Our Gas Safe-registered installers handle both like-for-like swaps and full heating setup changes, and we quote across Worcester Bosch, Vaillant, Ideal, Baxi, and Viessmann. You get clear options with output sizes that match your property, not a one-size recommendation. We also book install dates around your move window, so heating and hot water are not left to chance in the first weeks after completion.
Local market evidence from home.co.uk shows an average asking price of £218,606 in May 2026, with 1-bedroom homes at £112,507, 2-bedroom homes at £143,325, and 3-bedroom homes at £202,762. Those figures matter for boiler planning because a lot of movers in this price range are buying established stock where the existing boiler may already be 10 years old or more. In WN2 locations such as Ince and around Seaman Way, plus WN3 around Worsley Mesnes Drive, we often see buyers choosing to replace early so they start with a fresh warranty.
£218,606
Average Asking Price (May 2026)
£112,507
1-Bed Average Asking Price (May 2026)
£143,325
2-Bed Average Asking Price (May 2026)
£202,762
3-Bed Average Asking Price (May 2026)
Willowbrook Fields
Local New Build Example
Up to 2,000 homes
Local Plan Growth Point
Using listing data from home.co.uk and property data from homedata.co.uk
Age is the first filter. Once a gas boiler passes 12-15 years, component wear rises and seasonal efficiency usually drops. That can show up as higher gas use, lockouts in cold weather, or longer heat-up times on radiators. In Wigan, we see this often in established housing near Worsley Mesnes Drive in WN3 and older streets in WN2 where owners have inherited older heating setups at purchase.
Efficiency has moved on. Modern condensing boilers are typically 90%+ efficient when correctly sized and commissioned, which is a step up from many older non-condensing units still found in long-held homes. If the current appliance has repeated fault history, repair spend can stack up quickly over one winter. A planned replacement before November to February can be easier to schedule, as engineer capacity in those months gets tighter.
Warranty length is a practical quality signal. Entry ranges are commonly 5 years, while mid-tier products often sit at 7-10 years, and selected premium ranges can reach 10-12 years. We explain exactly what is included, because some long warranties require specific controls or system filters to keep cover active. In places like Bakers Court, WN2 1HB, buyers moving from shared ownership into full ownership often pick longer warranty terms to control future cost.
Indicative supplied and fitted pricing from Homemove, May 2026
Combi boilers heat water directly from the mains, so there is no separate hot water cylinder. They suit many 1 or 2-bedroom homes where simultaneous shower demand is limited, which lines up with lower-priced stock shown by home.co.uk at £112,507 for 1-bedroom homes and £143,325 for 2-bedroom homes in May 2026. Output still matters though. A high kW combi does not fix poor incoming mains flow.
System boilers store hot water in a cylinder and are often stronger for 2-bathroom use patterns. In Wigan this can fit larger family houses around WN6 and WN5 where morning demand is heavier across more than one bathroom. Conventional boilers remain common in older properties with a header tank in the loft. We assess flue route, pipework condition, and cylinder space before recommending conversion, as each affects labour time and final cost.

We check current boiler position, flue terminal location, gas pipe sizing, and radiator setup. In Wigan we commonly inspect homes in WN2 and WN3 where layouts vary between terrace rows and later estates, so this step avoids surprises on install day.
You receive a written quote with appliance model, controls, filter options, and labour scope. We show like-for-like and upgrade routes side by side, including 24kW, 30kW, and 35kW combi options where relevant.
Our team offers dates around your completion and move-in plan. During November to February, availability can be tighter, so earlier booking helps if you need heat immediately after handover.
A straightforward same-location swap is usually 1 day. Relocation or conversion work, such as moving from conventional to combi, is usually 1.5-2 days because it includes pipe alterations and extra commissioning checks.
We test operation, set controls, and complete Benchmark documentation. Every gas boiler installation is registered through Gas Safe and notified to the local council within 30 days.
Try to complete your boiler replacement in the first 30 days after moving into your Wigan property. Warranty registration starts from installation date, and early replacement reduces the risk of a cold-weather breakdown in your first winter. It also means your controls can be set around your routine from day one, not months later after an emergency repair.
Street layout and property age can change flue planning. Around established parts of Wigan, plus areas near Ince and Worsley Mesnes, you may have tighter side returns or rear access constraints that affect where a horizontal flue can terminate. For homes close to boundary lines or extensions, we check clearances carefully at survey stage. That keeps the install compliant and prevents late changes on the day.
Water pressure is another key local check. A bigger combi output, such as 35kW, only helps if incoming cold mains flow supports that delivery rate. If flow is low at the stop tap, hot water performance will still be capped no matter which brand is fitted. In those cases, we may discuss system boiler options with a cylinder, especially for 2-bathroom houses.
Wigan has both established stock and newer supply points. Verified examples include Willowbrook Fields at Seaman Way, WN2 2FP, The Seasons at 1A Worsley Mesnes Drive, WN3 5YD, and Bakers Court in WN2 1HB. Proposed growth in the Wigan Council Draft Local Plan from May 2025 includes Westwood Park around 420 homes, South Hindley up to 2,000 homes, and North Leigh Park around 1,400 homes off Nel Pan Lane. As these areas expand, demand for reliable post-move boiler work tends to rise, especially where buyers want a clean start on warranty.
Hard-water impact varies home by home, but sludge and magnetite are common enough in older systems that a magnetic filter is usually money well spent. We price that add-on from £125 and fit it during installation so the new heat exchanger starts with cleaner circuit water. If the system has heavy debris, a pre-install flush can be sensible. It is a small step that can protect efficiency and reduce fault risk later.
A magnetic filter is the first add-on most movers choose, starting from £125. It captures circulating debris before it reaches the new boiler internals, which helps long-term reliability. For homes with older radiators in WN2 terrace streets, this can be particularly useful after years of system corrosion.
Smart thermostat upgrades start from £195 and can improve day-to-day control straight away. Boiler Plus 2018 rules already require a programmer, thermostat, and an additional efficiency measure on new combi installs, with 7-day timing capability. Smart controls often satisfy that extra measure depending on model specification. We confirm compliance in writing on your quote.
System flushing is not mandatory on every job, but it is often recommended where water quality is poor or radiator cold spots are present. Extended warranties can also be available on selected models where package criteria are met. We map each option to your actual property setup in Wigan, not a generic bundle.

Yes. Gas boiler installation must be carried out by a Gas Safe-registered engineer, and that is a legal requirement. After installation, the work is registered through Gas Safe and notified to the local council within 30 days. We only use Gas Safe-registered installers for boiler work in Wigan.
A like-for-like boiler swap is typically completed in 1 day. If you are relocating the boiler, or converting from conventional to combi or system, allow 1.5-2 days in most cases. Winter demand from November to February can affect booking lead times, so plan early where possible.
Usually yes, but relocation changes labour scope and may require additional flue and pipework runs. We review route length, wall exits, and condensate discharge points during the survey. In some Wigan homes with tight rear access or extensions, keeping the existing compliant flue location can save both time and cost.
In many replacements, yes, because the new appliance and flue system are matched as one certified setup. If your current flue arrangement is compliant and compatible with the selected boiler, we will advise accordingly. We do not recommend changing a compliant flue just for the sake of it, as that adds cost without practical benefit.
It depends on the target setup. If you move to a combi, the old cylinder is normally removed and pipework is altered. If you install a new system boiler, we can replace the cylinder at the same time, with indicative pricing from £2,995 for a system boiler and new cylinder package.
ECO4 support can be available for eligible households, including some on Universal Credit, Pension Credit, ESA, or JSA, where the property EPC is E, F, or G. Eligibility is rule-based and evidence is required. We can explain what documents are typically needed before application.
Output choice depends on heat loss and hot-water demand, not just floor area. As a rough guide, 24kW often suits a 1-bathroom flat or small house, 30kW fits many 3-bed homes, and 35kW is common in larger homes with 2 bathrooms. Incoming mains flow in your street still sets the ceiling for hot-water delivery.
Typical entry warranties are around 5 years, common on standard Ideal and Baxi packages. Vaillant ranges are often 7-10 years depending on model and installer package, while selected Worcester Bosch and Viessmann ranges can reach 10-12 years. We set out the exact term and conditions on your quote.
Boiler Plus 2018 standards apply to new combi installations. Your system needs a programmer, a room thermostat, 7-day timing, and an additional efficiency measure such as weather compensation, load compensation, flue gas heat recovery, or qualifying smart control. We include compliant control options in each proposal.
Indicative supplied-and-fitted tiers start from £1,895 for a 24kW combi, £2,195 for a 30kW combi, and £2,495 for a 35kW combi. A conventional swap starts from £2,695, while a system boiler with a new cylinder starts from £2,995. Add-ons include magnetic filters from £125 and smart thermostats from £195.
From £79
Gas safety checks for landlords and buyers before move-in
From £899
Legal support for buying in Wigan with fixed-fee quotes
From £69
Check current EPC rating before upgrade or grant route
From £445
Home condition survey for common defects before completion
From £420
Compare vetted removals firms for your moving date
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Gas Safe boiler swaps, conversions, and relocations with quotes across leading brands
Find your local heating expertBoiler quotes vary by thousands of pounds.
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Boiler quotes vary by thousands of pounds.
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Homemove is a trading name of HM Haus Group Ltd (Company No. 13873779, registered in England & Wales). Homemove Mortgages Ltd (Company No. 15947693) is an Appointed Representative of TMG Direct Limited, trading as TMG Mortgage Network, which is authorised and regulated by the Financial Conduct Authority (FRN 786245). Homemove Mortgages Ltd is entered on the FCA Register as an Appointed Representative (FRN 1022429). You can check registrations at NewRegister or by calling 0800 111 6768.