Trowbridge Oil Boiler Servicing
Some properties make oil boiler servicing straightforward; others need a bit more thought about parking, access to the boiler cupboard, or how equipment gets in and out. We factor that into the visit rather than discovering it on the day. Working from 24 Bristol Road, Radstock BA3 3EE across the Radstock, Bath and Mendip area, we're Gas Safe registered and OFTEC registered, so both mains gas and oil-fired work is covered under one roof. Access is narrow terrace, so parking, spoil removal and delivery timing get planned in advance.

Local conditions we plan around in BA14
Georgian townhouses bring their own set of practical issues: tall, narrow flue runs, thick solid walls that make routing new pipework more involved, and in many cases conservation constraints on anything visible from the street. High ceilings and large room volumes also change how a heating system needs to be sized compared with a modern equivalent-sized property. We survey these properties with that in mind rather than applying a standard modern-house specification to a building that doesn't behave like one. Mains gas is available across most streets, which changes the appliance shortlist. Trowbridge is roughly 10 miles from our Radstock base via the A361. Typical property stock here: Georgian terraces and modern estates. Mains gas covers most of Trowbridge, so the usual choice is between a modern combi or a system boiler with a cylinder — we'll size it correctly for the home, not just swap like-for-like. Repair calls in Trowbridge usually get a same-week visit, with most common faults fixed on the first attempt.
Scope of work, itemised
- OFTEC registered oil specialist
- Nozzle, electrode and fuel filter renewed
- Smoke test and pump pressure set correctly
- Oil tank and supply line inspected
- Free written quote, no obligation
- Local aftercare from a 10-mile base
Also covering the lanes around Trowbridge
Beyond Trowbridge we're frequently on jobs in Hilperton (BA14), Southwick (BA14), North Bradley (BA14) and Westbury (Wiltshire) (BA13) — so spares, follow-ups and annual services are straightforward.
Qualifications behind the work
Qualifies your install for the full 10-year manufacturer guarantee* on supported models.
Oil boilers, oil tanks and pipework — fully certified for off-grid installs and replacements.
Based at 24 Bristol Rd, Radstock — every job is run by the team that quoted it.
362+ verified reviews from real customers across BA and BS postcodes.
Trowbridge questions we get asked
- What's the difference between a boiler service and general maintenance?
- A service is the annual manufacturer-required safety and efficiency check that keeps the warranty valid. Maintenance covers everything else — bleeding radiators, checking system pressure, sorting minor faults, and periodic flushing or filter checks — that keeps the system running well between those annual services rather than replacing them.
- How often should a boiler actually be serviced?
- Once a year is the standard recommendation from every manufacturer, and most warranty terms make it a condition rather than a suggestion — miss a year and a claim can be refused even if the fault is unrelated. Landlords have a separate legal duty to have gas appliances checked annually regardless of warranty terms.
- We're on mains gas — is a boiler swap a fairly simple job?
- Where the new boiler goes in the same place with the same flue route, a mains gas swap is usually the most straightforward job we do — often completed within a working day. It gets more involved if you're relocating the boiler, changing from a heat-only or system boiler to a combi, or the existing pipework needs upgrading to suit.
- How do you decide whether to repair or replace a boiler?
- We weigh the age of the boiler, whether parts are still made for it, how many faults it's had recently, and its running efficiency against a like-for-like or upgraded replacement. If a straightforward part fixes it and the boiler's otherwise sound, we'll say so rather than push a new install you don't need.
- What support do I get after the install is finished?
- Once commissioning's complete we talk you through the controls, leave the paperwork, and register the manufacturer warranty on your behalf. If anything doesn't feel right in the first few weeks — a fault code, an odd noise, a control setting you're unsure of — call us during office hours and we'll talk it through or come back out.
- Can you handle period properties in Trowbridge?
- Yes — georgian terraces and modern estates are most of what we work on here. Flue routes, condensate runs and external pipework are planned to keep the building's appearance intact.
Booking work in Trowbridge
Correct sizing matters more than most people realise for oil boiler servicing: an undersized system struggles to keep up, and an oversized one costs more to run and buy than it needs to. We size against the property's actual heat loss and hot water demand, not a rule of thumb. Call 07516 118198 and we will confirm a visit slot for BA14. Most of what we open up here is georgian terraces and modern estates, which dictates flue routes and pipe sizing.
Area data we work from
- County
- Wiltshire
- Postcode district
- BA14
- Settlement type
- town
- Nearest classified road
- A361
- Distance from our base
- 10 miles (Radstock, BA3)
- Typical building stock
- Georgian terraces and modern estates
- Water hardness
- moderately hard water
- Fuel availability
- mains gas across most of the area
- Customer mix
- a mix of owner-occupied and rented homes
- Nearby areas covered
- Hilperton, Southwick, North Bradley, Westbury (Wiltshire)
The parts of the job people rarely mention
Nozzle replacement and baffle cleaning on oil burners
An oil burner's nozzle atomises fuel into a fine spray for combustion, and it wears from constant fuel flow at pressure, gradually changing the spray pattern away from the burner manufacturer's specification even before it visibly fails. A worn nozzle burns less cleanly, producing more soot that coats the heat exchanger's baffles, and a sooted heat exchanger loses efficiency in the same way scale does on a gas boiler's plates. Standard practice on an annual oil service is to replace the nozzle as a matter of course, rather than wait for a fault, and to remove and clean the baffles so the heat exchanger surfaces are exposed to combustion heat properly again. Skipping nozzle replacement to save a service visit's minor parts cost is a false economy against the fuel wasted by a poorly atomising burner.
Access and parking constraints before we start work
Trowbridge's narrow terraced frontages affect how a job is planned before any pipework is touched. A boiler, cylinder or radiators have to be carried in, and on some streets that means checking parking permit zones or loading restrictions in advance rather than on the day; on farm tracks it means confirming a van can actually reach the building in wet weather, since a track that's fine in summer can be impassable after heavy rain. Old equipment being removed — an oil tank, an old cylinder, a cast iron boiler — needs the same access route in reverse, and weight matters as much as width. We ask about access and parking at the quoting stage specifically so it doesn't become a delay on the installation day.
Mixed owner-occupied and rented housing in Trowbridge
Trowbridge's mix of owner-occupied and rented housing means we regularly work to two different sets of expectations on the same street — a landlord wanting the minimum reliable, compliant system at reasonable cost for a tenanted property, and an owner-occupier next door wanting a longer-term investment in efficiency and comfort. Both are legitimate priorities, but they lead to different specifications: a landlord's replacement boiler decision is often driven by the annual gas safety record and reliable compliance, while an owner-occupier's decision more often factors in flow temperature optimisation and controls for their own daily comfort. We ask which category a job falls into early, since it changes the questions worth asking about the property and the recommendation that follows.
Plume management kits for restricted flue positions
Where the ideal, shortest flue route would discharge too close to a boundary, a window, or onto a neighbouring property — a common constraint on tight plots in Trowbridge — a plume management kit extends the flue's discharge point away from the boiler's own wall penetration, directing the visible water vapour plume and flue gases to a compliant location instead. It adds ductwork and sometimes a small additional fan to overcome the extra resistance, and it has to be specified against the specific boiler's approved kit range rather than improvised, since flue certification only covers tested combinations. It's a legitimate way to fit a boiler on a plot where the compliant flue route and the sensible boiler location aren't the same wall, without compromising on clearances to solve it.
Chimney liners for boilers using an existing flue
Where an older boiler used the property's original brick or stone chimney as its flue route, a replacement condensing boiler usually can't use the same masonry flue unlined, because the flue gases are cooler and wetter and will attack unprotected brickwork and mortar over time. A correctly specified stainless steel liner, sized to the boiler manufacturer's flue length and diameter tables, carries the flue gases safely and lets the existing chimney be reused rather than needing a new wall or roof penetration — often the only realistic option on a listed or solid-wall property in Trowbridge where an external flue run isn't permitted. The liner has to be inspected and swept as part of ongoing servicing exactly as an open-fire flue would be, which is easy to overlook once it's hidden inside the chimney.
Working across Wiltshire: what being local changes
Being based at 24 Bristol Road, Radstock, 10 miles from Trowbridge via the A361, means a callout doesn't involve a long cross-county drive, and it also means familiarity with the recurring patterns in the local building stock — georgian terraces and modern estates — rather than encountering that construction type for the first time on-site. Local knowledge doesn't replace a proper site survey, but it does mean fewer surprises: knowing in advance that a particular postcode area typically has hard water, older single-pipe circuits, or restricted parking means the quote reflects the likely reality of the job before the first visit. We're Gas Safe and OFTEC registered and work across Wiltshire on that basis, not by claiming coverage we don't actually deliver on.
Other boiler services in Trowbridge
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- Gas Boiler Installation in TrowbridgeGas Safe registered installations and upgrades for mains gas homes across Bath, Radstock and Wells.
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- Boiler Servicing in TrowbridgeAnnual boiler services to keep your warranty valid and your home safe, efficient and warm.
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- Landlord Gas Safety Certificates in TrowbridgeAnnual CP12 landlord gas safety records issued on the day, for single lets, HMOs, holiday lets and whole portfolios.
- Oil Boiler Repairs in TrowbridgeOil boiler breakdown repairs across rural Somerset, from lockouts and sooting to pump, photocell and control faults.
- Oil Tank Replacement in TrowbridgeBunded oil tank replacement and relocation with base preparation, new supply line and OFTEC paperwork on completion.
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