--- title: "Boiler Service Oldham | Annual Gas Safe Boiler Servicing | C Nixon" description: "Annual boiler servicing in Oldham & Greater Manchester. Gas Safe engineer, full manufacturer checks, keeps your warranty valid. 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Multi-property landlord packages are quoted on portfolio size." } }, { "@type": "Question", "name": "How long does a boiler service take?", "acceptedAnswer": { "@type": "Answer", "text": "A standard service takes 45–60 minutes. Older or heavily sooted boilers may take longer if extra cleaning is required, we'll tell you on the day." } }, { "@type": "Question", "name": "Will a service really keep my warranty valid?", "acceptedAnswer": { "@type": "Answer", "text": "Yes. Worcester, Vaillant, Ideal and Baxi all require evidence of annual servicing by a Gas Safe engineer to enforce their warranty. Without it, claims are routinely refused." } }, { "@type": "Question", "name": "Do you service boilers you didn't install?", "acceptedAnswer": { "@type": "Answer", "text": "Yes. We service every major UK gas boiler brand whether we originally installed it or not." } }, { "@type": "Question", "name": "Can I book a service quickly?", "acceptedAnswer": { "@type": "Answer", "text": "Often, yes. We aim to respond as soon as possible across Oldham and the surrounding boroughs." } }, { "@type": "Question", "name": "What if you find a fault?", "acceptedAnswer": { "@type": "Answer", "text": "We pause, explain the issue, give you a written price, and let you decide. Service fee is never bundled with repair charges." } }, { "@type": "Question", "name": "Is a service the same as a Gas Safety Certificate?", "acceptedAnswer": { "@type": "Answer", "text": "No, they're separate jobs, but we can carry out both on the same visit for landlords. The CP12 is the legal landlord document; the service keeps the warranty valid." } }, { "@type": "Question", "name": "What time of year should I book?", "acceptedAnswer": { "@type": "Answer", "text": "Late summer or early autumn, before the heating demand returns. Booking in October–November means waiting times and emergency callout risk go up sharply." } } ] } ] --- [07723 565794 ](tel:+447723565794)Chadderton, Oldham OL9 0QA Mon – Sat · 8:00 AM – 10:00 PM · Sun · Closed [![C Nixon Plumbing & Heating](/__l5e/assets-v1/adc3a292-cbcd-4db2-a281-bce9bf63fa6e/cnixon-logo.png)](/) [Home ](/) [Services ](/services) [Boiler Installation](/services/boiler-installation)[Boiler Servicing](/services/boiler-servicing)[Boiler Repairs](/services/boiler-repairs)[Heating Upgrades](/services/heating-upgrades)[Plumbing](/services/plumbing)[Central Heating Installation](/services/central-heating-installation)[Radiator Installation & Replacement](/services/radiator-installation)[Gas Safety Certificates](/services/gas-safety-certificates)[Landlord Safety Inspections](/services/landlord-safety-inspections)[View all →](/services) [Service Areas ](/service-areas) [Oldham](/service-areas/oldham)[Manchester](/service-areas/manchester)[Rochdale](/service-areas/rochdale)[Ashton-under-Lyne](/service-areas/ashton-under-lyne)[Royton](/service-areas/royton)[Chadderton](/service-areas/chadderton)[Shaw](/service-areas/shaw)[Middleton](/service-areas/middleton)[Failsworth](/service-areas/failsworth)[View all →](/service-areas) [About ](/about) [About Us](/about)[Reviews](/reviews)[View all →](/about) [Our Work ](/our-work)[Contact ](/contact) [07723 565794 ](tel:+447723565794)[Request a Quote](/contact) [Home](/)/ [Services](/services)/ Boiler Servicing ![Annual boiler service in progress with case removed and combustion analyser checks by Gas Safe engineer](/__l5e/assets-v1/ca125aa2-bc00-4efc-b59f-f314b1e6f718/work-15.jpeg) Boiler Servicing · Oldham & Greater Manchester # Annual Boiler Service in Oldham & Greater Manchester. Keep your boiler safe, efficient and warranty-valid year on year. Full manufacturer service schedule, written report, and a prompt appointment whenever we have a slot. [Get My Free Quote](/contact) [Talk to Chris 07723 565794 ](tel:+447723565794) Gas Safe #558388 · Warranty-compliant · Same-day where possible ### Free Boiler Servicing Quote We aim to respond as soon as possible. No obligation. - 7+ Years experience - 1,000+ Annual services completed - Quoted on call Annual service - #558388 Gas Safe registered - Every visit Written report Service Overview ## Boiler Servicing, explained simply. Honest, plain-English answers, what the service is, who it's for, when you need it, and why a Gas Safe specialist matters. What it is A full manufacturer-spec annual service: combustion analysis, gas-pressure check, flue inspection, seals and controls, casing strip-down and clean, completed by a Gas Safe engineer and signed off in writing. Who it's for Any homeowner with a gas boiler, plus every landlord who needs to keep their tenants safe and their warranty valid. When you need it Once every 12 months, required by almost every boiler manufacturer to keep the warranty live, and recommended by Gas Safe Register and the HSE. Why a pro matters A serviced boiler is up to 15% more efficient than a neglected one, far less likely to break down mid-winter, and protected against the carbon-monoxide risks that come with worn seals and blocked flues. The Cost of Ignoring It ## What it costs to wait, and the mistakes that make it worse. Skipping annual servicing is the single most common reason boilers fail early and warranty claims get rejected. If you leave it - Warranty invalidated, manufacturer refuses to pay for a future repair - Higher gas bills as combustion drifts out of spec - Carbon-monoxide risk from worn seals and corroded heat exchangers - Mid-winter breakdowns that cost 3× a routine service - Failed landlord inspections and tenant complaints Common mistakes - Assuming a new boiler doesn't need a service for the first few years, most warranties require year-one service - Booking a 'quick check' instead of a full Benchmark-standard service - Letting the same engineer skip the gas-pressure check or combustion analysis - Forgetting to keep the Benchmark book and service receipts for warranty claims Our Process ## A clear, predictable system, from first call to sign-off. 01 ### Visual inspection Casework, flue terminal, gas tightness, room ventilation and external condensate drain checked first. 02 ### Strip & clean Casing removed, burner, heat exchanger and condensate trap inspected and cleaned per manufacturer manual. 03 ### Combustion analysis Flue-gas analyser readings logged against manufacturer tolerances, the test that proves the boiler is burning safely. 04 ### Controls & safety Thermostat, expansion vessel pressure, PRV, overheat thermostat and flame-failure devices all verified. 05 ### Report & sign-off Benchmark book stamped, written service report emailed, and any advisories priced separately, never bundled into the service fee. The Benefits ## Why customers choose C Nixon for boiler servicing. ### Warranty stays valid Every manufacturer logbook stamped on the day, keeping your 5–20 year warranty enforceable. ### Lower bills Clean combustion can recover up to 15% of efficiency lost to soot, blocked condensate and worn jets. ### Fewer breakdowns Most winter boiler failures are predictable from a service report, we catch them before they fail. ### Safer home Flue, seals and combustion checked to current Gas Safe protocols, your CO risk is verified, not assumed. ### Documented history Stamped Benchmark book and emailed report, valuable evidence for warranty claims and resale. ### Quiet, smooth running Cleaned condensate trap and degassed system means no banging, kettling or stop-start operation. Recent work ## Real boiler servicing jobs across Greater Manchester. [See full gallery](/our-work) ![Annual boiler service with case removed for combustion analyser checks](/__l5e/assets-v1/ca125aa2-bc00-4efc-b59f-f314b1e6f718/work-15.jpeg) ![Combi boiler with front casing off for full service inspection](/__l5e/assets-v1/d33932db-21d9-4f19-b577-97a0dff092ea/work-16.jpeg) ![Combi boiler serviced in a basement utility, full system check](/__l5e/assets-v1/ea026cee-a9fd-4ca9-bb44-f928ffe8d006/work-08.jpeg) ![Heat exchanger and gas valve inspection during a boiler service](/__l5e/assets-v1/72a8aea4-cf54-4b58-9393-e43c88186de1/work-38.jpeg) ![Heat exchanger and burner inspected during a full annual service](/__l5e/assets-v1/50833ca5-6673-4ce5-8da4-aa07ef34d263/work-01.jpeg) ![Boiler isolation valves and copper tails exposed during a service visit](/__l5e/assets-v1/341a9c0d-1bb6-451f-9545-4c956435bea5/work-26.jpeg) In Detail ## Everything you need to know about boiler servicing. We service every major UK domestic boiler brand, combi, system and regular, to the manufacturer's published schedule, not a generic checklist. [Speak to Chris](tel:+447723565794)[Request a quote](/contact) ### Brands we service Worcester Bosch, Vaillant, Ideal, Baxi, Glow-worm, Alpha, Potterton, Main, Vokera, Ariston, Ferroli and Viessmann. If it's gas and it's in Greater Manchester, we can service it. ### What a Gas Safe service includes Visual flue check, casing removal, heat-exchanger inspection, burner clean, gas-pressure test, flue-gas analysis (CO and CO₂ ratio), seal check, expansion vessel pressure top-up, condensate trap inspection, electrical safety check, and operational test through all programmes. ### Combi vs system vs regular Combi services include domestic hot-water flow and temperature checks. System boilers add cylinder, unvented controls and expansion vessel checks. Regular (heat-only) boilers include feed-and-expansion tank and ball-valve checks. ### Landlord servicing & CP12 Combine your annual service with your CP12 gas safety certificate on the same visit and save on call-out fees. Multi-property portfolios scheduled, reminded and invoiced centrally. ### Service plans Repeat customers get annual reminders by text, priority booking, and locked-in pricing, no plan fees, just a phone call when your service is due. FAQs ## Straight answers on boiler servicing. Can't see your question? Call Chris on [07723 565794](tel:+447723565794) , honest answer, no sales script. How much does a boiler service cost? + Standalone services and combined service + CP12 jobs are quoted on the call. Multi-property landlord packages are quoted on portfolio size. How long does a boiler service take? + A standard service takes 45–60 minutes. Older or heavily sooted boilers may take longer if extra cleaning is required, we'll tell you on the day. Will a service really keep my warranty valid? + Yes. Worcester, Vaillant, Ideal and Baxi all require evidence of annual servicing by a Gas Safe engineer to enforce their warranty. Without it, claims are routinely refused. Do you service boilers you didn't install? + Yes. We service every major UK gas boiler brand whether we originally installed it or not. Can I book a service quickly? + Often, yes. We aim to respond as soon as possible across Oldham and the surrounding boroughs. What if you find a fault? + We pause, explain the issue, give you a written price, and let you decide. Service fee is never bundled with repair charges. Is a service the same as a Gas Safety Certificate? + No, they're separate jobs, but we can carry out both on the same visit for landlords. The CP12 is the legal landlord document; the service keeps the warranty valid. What time of year should I book? + Late summer or early autumn, before the heating demand returns. Booking in October–November means waiting times and emergency callout risk go up sharply. Related Services ## Also commonly booked with boiler servicing. [ ### Boiler Repairs Fast diagnosis and repair on most major boiler brands across Oldham and Greater Manchester. Read more ](/services/boiler-repairs)[ ### Boiler Installation New A-rated boiler installations from leading UK manufacturers, with manufacturer-backed warranty. Read more ](/services/boiler-installation)[ ### Gas Safety Certificates CP12 gas safety certification, completed within 3 working days. Read more ](/services/gas-safety-certificates) Areas We Cover ## Boiler Servicing across Greater Manchester. - [OldhamHQ ](/service-areas/oldham) - [Manchester](/service-areas/manchester) - [Rochdale](/service-areas/rochdale) - [Ashton-under-Lyne](/service-areas/ashton-under-lyne) - [Royton](/service-areas/royton) - [Chadderton](/service-areas/chadderton) - [Shaw](/service-areas/shaw) - [Middleton](/service-areas/middleton) - [Failsworth](/service-areas/failsworth) [All service areas](/service-areas) Ready When You Are ## Get your boiler servicing sorted, properly, the first time. Gas Safe registered, fixed-price, same-day where possible. Speak to Chris directly, no call-centre, no sales script, no pressure. [Call 07723 565794](tel:+447723565794)[Request a free quote](/contact) - Gas Safe #558388 - Fully insured - Fast response - Fixed written quotes Opening Hours Mon – Sat · 8:00 AM – 10:00 PM · Sun · Closed Fast Response Fast, honest service. We aim to respond as soon as possible. ![C Nixon Plumbing & Heating](/__l5e/assets-v1/adc3a292-cbcd-4db2-a281-bce9bf63fa6e/cnixon-logo.png) Gas Safe registered boiler, heating and plumbing specialists for domestic and commercial customers across Oldham, Chadderton and Greater Manchester. Family-run since 2018. [07723 565794 ](tel:+447723565794) [0161 399 2018](tel:+441613992018) [info@cnixonplumbingheating.com](mailto:info@cnixonplumbingheating.com) 18 Skipton Ave Chadderton, Oldham OL9 0QA Mon – Sat · 8:00 AM – 10:00 PM · Sun · Closed [Find us on Facebook](https://www.facebook.com/p/C-Nixon-Plumbing-Heating-Limited-100088841934803/) ### Services - [Boiler Installation](/services/boiler-installation) - [Boiler Servicing](/services/boiler-servicing) - [Boiler Repairs](/services/boiler-repairs) - [Heating Upgrades](/services/heating-upgrades) - [Plumbing](/services/plumbing) - [Central Heating Installation](/services/central-heating-installation) - [Radiator Installation & Replacement](/services/radiator-installation) - [Gas Safety Certificates](/services/gas-safety-certificates) - [Landlord Safety Inspections](/services/landlord-safety-inspections) ### Service Areas - [Oldham](/service-areas/oldham) - [Manchester](/service-areas/manchester) - [Rochdale](/service-areas/rochdale) - [Ashton-under-Lyne](/service-areas/ashton-under-lyne) - [Royton](/service-areas/royton) - [Chadderton](/service-areas/chadderton) - [Shaw](/service-areas/shaw) - [Middleton](/service-areas/middleton) - [Failsworth](/service-areas/failsworth) ### Company - [About](/about) - [Reviews](/reviews) - [Contact](/contact) © 2026 C Nixon Plumbing & Heating Limited. All rights reserved. Company No. 11292200 · Gas Safe Reg. 558388 [Privacy Policy](/privacy-policy)[Terms & Conditions](/terms-conditions) Gas Safe registered · Fully insured [Call Now](tel:+447723565794)[Request a Quote](/contact)