--- title: "Heatrite Plumbing & Heating, Gas Safe Engineers in St Albans & Hertfordshire" description: "Gas Safe boiler installs, repairs and 24/7 emergency plumbing across Hertfordshire, Buckinghamshire, Berkshire, Surrey and London. Fixed callout fee. 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C o v e r i n g  a l l  h o m e  c o u n t i e s  —  H e r t f o r d s h i r e ,  B u c k i n g h a m s h i r e ,  B e r k s h i r e ,  S u r r e y  a n d  L o n d o n . Family-run, Gas Safe-registered engineers fixing boilers, fitting bathrooms and running plant rooms, with a fixed emergency callout fee, day or night. [Request Estimate](/contact) [07455 748635](tel:+447455748635)[07702 523464](tel:+447702523464) Gas Safe Domestic & commercial 24/7 Emergency response ~1 hr From £1,850 Boilers supplied & fitted £5m Public liability insured Get your free fixed quote Free quotes and on-site surveys. No call centres. Accredited & experienced with - Vaillant - Worcester - Baxi - Ideal - Remeha - Powrmatic - Hamworthy What we do ## One trusted team for every heating & plumbing job. From a leaking valve at midnight to a full commercial plant room install, we cover the lot, properly, first time, and without the upsell. Domestic ### For homes & landlords [ ![Gas Safe engineer installing a wall-mounted combi boiler](/assets/boilers-Dz3GzZ9b.jpg) #### Boiler Installation & Servicing Installs, repairs and servicing from Gas Safe engineers. Learn more ](/services/boilers)[ ![Plumber fitting a chrome kitchen tap with copper pipework](/assets/plumbing-DmY4tKrz.jpg) #### Plumbing Leaks, taps, toilets and re-pipes, neat, tested, guaranteed. Learn more ](/services/plumbing)[ ![Heatrite emergency engineer responding at night](/assets/emergency-CcuaNrZa.jpg) #### Emergency Call Outs Fixed callout fee. Genuine round-the-clock response. Learn more ](/services/emergency)[ ![Modern bathroom installation with walk-in shower and brushed brass fittings](/assets/bathroom-installations-WIyfjKRg.jpg) #### Bathrooms Full design-and-fit bathrooms, project-managed end to end. Learn more ](/services/bathroom-installations)[ ![Unvented hot water cylinder with neat copper pipework](/assets/cylinders-CvW5JaRb.jpg) #### Vented & Unvented Hot Water Systems G3-certified mains-pressure hot water, sized for your home. Learn more ](/services/cylinders)[ ![Smart heating thermostat mounted on a wall](/assets/heating-controls-SAXy1qda.jpg) #### Heating & Hot Water Controls Hive, Nest, tado° and Honeywell, wired and commissioned properly. Learn more ](/services/heating-controls)[ ![External LPG bulk storage tank in a UK garden feeding a domestic boiler](/assets/lpg-CtwONpW6.jpg) #### LPG Heating & Boilers Off-grid LPG boiler installs, conversions and servicing. Learn more ](/services/lpg) Commercial ### For estates, facilities & commercial sites [ ![Commercial plant room with cascade boilers, low-loss header and pumps](/__l5e/assets-v1/22d33404-7c84-47d9-addc-12e0414b4ced/work-16.png) #### Plant Room Installation & Purging Cascade boilers, low-loss headers, BS 6644 commissioning. Learn more ](/services/plant-room)[ ![Engineer running a gas tightness test with a calibrated manometer](/__l5e/assets-v1/a10b18c8-f27f-4f0a-9a8a-b248c5575dbd/work-10.png) #### Tightness Testing & Purging IGEM/UP/1 tightness testing, let-by and purge certification. Learn more ](/services/tightness-testing)[ ![Engineer power flushing a central heating system](/assets/power-flushing-DGUFOFm0.jpg) #### Power Flushing Restore heating performance and protect your boiler warranty. Learn more ](/services/power-flushing)[ ![Commercial plumbing pipework with WRAS-approved fittings](/__l5e/assets-v1/95c4e5ee-245f-47ab-b9b6-0280e97b475f/work-18.png) #### Commercial Plumbing Mains boosting, TMVs, backflow and Legionella-aware pipework. Learn more ](/services/commercial-plumbing)[ ![Commercial plant room with cascade boilers and pipework](/assets/commercial-CW-K7SmV.jpg) #### Commercial Heating & Gas Plant rooms, warm air heaters, testing and purging. Learn more ](/services/commercial)[ ![Heatrite emergency engineer responding at night](/assets/emergency-CcuaNrZa.jpg) #### 24/7 Call Out Round-the-clock cover for commercial sites. Learn more ](/services/emergency)[ ![Unvented hot water cylinder with neat copper pipework](/assets/cylinders-CvW5JaRb.jpg) #### Unvented Hot Water Systems G3-certified mains-pressure hot water for commercial sites. Learn more ](/services/cylinders)[ ![Wall-mounted warm air heater with ducted distribution](/__l5e/assets-v1/5966169f-df43-4e6a-8fa4-00d5ada11b89/work-13.png) #### Warm Air Heaters Johnson & Starley / Powrmatic service, repair and install. Learn more ](/services/warm-air-heaters)[ ![Gas Safe engineer servicing a domestic boiler with combustion analyser](/assets/maintenance-BuOD5ubI.jpg) #### Maintenance Contracts Annual servicing and priority response, all in one plan. Learn more ](/services/maintenance) Why Heatrite ## A heating company built around honest work. We started Heatrite because we'd seen too many homeowners pay over the odds for jobs done badly. Every install we run is sized properly, fitted neatly, and backed by a real warranty, not a sales pitch. [Meet the team](/about)[See our services →](/services) ### Engineer-owned, not call-centre led Jamie and Lee are on the tools and on the phone. No middleman, no markup. ### Straight-talking, fixed-fee quotes We quote the job, not the panic. Written estimates, no surprises on invoice. ### Properly diagnosed, properly fixed We don't just swap parts. We find the cause so the same fault doesn't return. ### One team for home and commercial From a tenant flat to a school plant room, same standards, same crew. 24/7 Emergency Cover ## No heating? Burst pipe? We answer the phone, day or night. One fixed callout fee. A Gas Safe engineer on your doorstep, not a call-handler reading a script. [07455 748635](tel:+447455748635) [07702 523464](tel:+447702523464)[Or request an emergency callout →](/contact) Where we work ## Serving Hertfordshire, Berkshire & North London. Based in London Colney, St Albans. We cover the surrounding towns and run further afield for commercial contracts. [St Albans](/service-areas/st-albans "Gas Safe heating engineer in St Albans") [Tring](/service-areas/tring "Gas Safe heating engineer in Tring") [Brookmans Park](/service-areas/brookmans-park "Gas Safe heating engineer in Brookmans Park") [Barnet](/service-areas/barnet "Gas Safe heating engineer in Barnet") [Hadley Wood](/service-areas/hadley-wood "Gas Safe heating engineer in Hadley Wood") [Watford](/service-areas/watford "Gas Safe heating engineer in Watford") [Wokingham](/service-areas/wokingham "Gas Safe heating engineer in Wokingham") [Bracknell](/service-areas/bracknell "Gas Safe heating engineer in Bracknell") [Reading](/service-areas/reading "Gas Safe heating engineer in Reading") [High Wycombe](/service-areas/high-wycombe "Gas Safe heating engineer in High Wycombe") [North London](/service-areas/north-london "Gas Safe heating engineer in North London") [Guildford](/service-areas/guildford "Gas Safe heating engineer in Guildford") Recent work ## A look at the installs, cylinders, testing and bathroom work we’ve been carrying out recently. Real photos from recent Heatrite jobs, from boiler and cylinder installs to plant room work and finished bathroom details. ![Commercial boiler internals during installation with exposed heat exchanger and neatly routed pipework](/__l5e/assets-v1/e9a65e47-b343-4aa3-933f-015200070c72/work-4.png) Commercial heating Installed and commissioned by Heatrite. ![Twin commercial boiler setup with both front panels removed for servicing and commissioning](/__l5e/assets-v1/38666ee2-c4d1-4fbb-a25e-ce786403957a/work-5.png) Commercial heating Installed and commissioned by Heatrite. ![Wall-mounted Vaillant boiler installation with insulated pipework and copper connections](/__l5e/assets-v1/456ba7b5-5c1c-4b00-b43e-404591d5ed03/work-6.png) Boiler installation Installed and commissioned by Heatrite. ![External oil tank installation positioned neatly between brick walls](/__l5e/assets-v1/4de611ea-cafe-4c20-86d6-42cd9aa3c1d4/work-7.png) Oil heating Installed and commissioned by Heatrite. ![Baxi unvented hot water cylinder fitted in a compact airing cupboard with copper pipework](/__l5e/assets-v1/a0cb8061-dd27-4f69-b39e-1aad4c311c0a/work-8.png) Unvented cylinders Installed and commissioned by Heatrite. ![Multiple Stelrad hot water cylinders installed with expansion vessels and tidy copper distribution pipework](/__l5e/assets-v1/dbe03410-435b-401c-8d93-526e266960c5/work-9.png) Hot water systems Installed and commissioned by Heatrite. ![Outdoor Vaillant boiler cabinet installation with exposed copper pipework and balanced flue](/__l5e/assets-v1/a10b18c8-f27f-4f0a-9a8a-b248c5575dbd/work-10.png) Boiler installation Installed and commissioned by Heatrite. ![Commercial gas purge and flame testing setup outside a brick building](/__l5e/assets-v1/ed3a08a3-1f93-4247-950b-4507cae5d7ba/work-11.png) Gas testing Installed and commissioned by Heatrite. ![Finished cloakroom installation with herringbone wall tiles and wall-hung toilet](/__l5e/assets-v1/f5382f0a-f6f6-42a0-8ba6-3eb4e0e9eba4/work-12.png) Bathroom installation Installed and commissioned by Heatrite. ![Unvented hot water cylinder installation with neat copper pipework routed in a compact cupboard](/__l5e/assets-v1/5966169f-df43-4e6a-8fa4-00d5ada11b89/work-13.png) Unvented cylinders Installed and commissioned by Heatrite. ![Freestanding bath installation with illuminated wall niches in a finished bathroom](/__l5e/assets-v1/7557adb8-2be1-4859-8ce8-0547c095a975/work-14.png) Bathroom installation Installed and commissioned by Heatrite. ![New Vaillant boiler installation with exposed copper pipework and clean wall finish](/__l5e/assets-v1/17bc8561-367c-453d-9309-b51b22eceeba/work-15.png) Boiler installation Installed and commissioned by Heatrite. ![Commercial plant room with multiple large heating units and insulated pipework](/__l5e/assets-v1/22d33404-7c84-47d9-addc-12e0414b4ced/work-16.png) Commercial heating Installed and commissioned by Heatrite. ![Vaillant boiler installation in a service cupboard with diagnostic equipment attached](/__l5e/assets-v1/8ac0bcb5-ca6c-4391-a20e-46ac8c7b7e77/work-17.png) Boiler installation Installed and commissioned by Heatrite. ![Commercial heating installation with multiple wall-mounted units and copper distribution pipework](/__l5e/assets-v1/95c4e5ee-245f-47ab-b9b6-0280e97b475f/work-18.png) Commercial heating Installed and commissioned by Heatrite. ![Vaillant boiler fitted in a utility room with tidy vertical pipework connections](/__l5e/assets-v1/e2b0e0f3-7593-4c3b-87ef-e6be613fc4a9/work-19.png) Boiler installation Installed and commissioned by Heatrite. ![Hot water cylinder and underfloor heating manifold installation with twin circulating pumps](/__l5e/assets-v1/9a157181-7e9a-48de-a918-dbb3064b22e7/work-20.png) Hot water systems Installed and commissioned by Heatrite. ![Pressurised hot water cylinder installation with expansion vessels and control components](/__l5e/assets-v1/ba83dadf-8018-41e5-9bce-095350912213/work-21.png) Hot water systems Installed and commissioned by Heatrite. ![External heating unit installed neatly beside a brick wall with isolated service connections](/__l5e/assets-v1/56b5860d-136e-437a-bef1-70bbcf99ea4d/work-22.png) Oil heating Installed and commissioned by Heatrite. ![Tall unvented hot water cylinder installation fitted neatly into bespoke white cabinetry with copper pipework](/__l5e/assets-v1/9118dd23-8319-41e4-a6b7-f6a03823c75c/work-23.png) Unvented cylinders Installed and commissioned by Heatrite. ![Vaillant boiler fitted inside a tall cupboard with concealed services and tidy copper pipework](/__l5e/assets-v1/60230cd2-2c07-4803-a0a2-562033083e2c/work-24.png) Boiler installation Installed and commissioned by Heatrite. ![Stainless hot water cylinder installation in a storage room with neatly routed copper connections](/__l5e/assets-v1/ffa01736-335e-4410-a061-4e8e648d54a9/work-25.png) Unvented cylinders Installed and commissioned by Heatrite. ![Commercial cascade boiler installation with twin wall-mounted units and extensive plant room pipework](/__l5e/assets-v1/1f759664-50e1-4b96-a2ae-ea8b1e996c37/work-26.png) Commercial heating Installed and commissioned by Heatrite. ![Large commercial calorifier installation in a plant room with insulated pipework and control panel](/__l5e/assets-v1/1bfb9470-99ee-49ba-9b20-0afd0485b069/work-27.png) Commercial heating Installed and commissioned by Heatrite. ![Blue pressurised vessel positioned in a basement plant room during hot water system upgrade works](/__l5e/assets-v1/2c721001-b5ca-492e-ba58-f325618b5709/work-28.png) Hot water systems Installed and commissioned by Heatrite. ![Plant room expansion vessel and Vaillant boiler installation with insulated services and pressure gauge](/__l5e/assets-v1/cb4d1710-6f69-4b17-b976-4188487760c2/work-29.png) Commercial heating Installed and commissioned by Heatrite. Previous slide Next slide What customers say ## Hundreds of jobs. One reputation. [Leave us a Google review →](https://search.google.com/local/writereview?placeid=ChIJIRwNDsw_dkgRllCL1W7A5ZI) Payment & finance ## Card, Klarna or Clearpay, pay the way that suits you. Boilers, bathrooms and larger installs can be spread over time with Klarna or Clearpay finance, just ask when you book. ### Card payments on site We carry a card machine in the van, tap, chip & PIN or contactless on completion. ### Klarna Spread the cost of your boiler or bathroom install with flexible Klarna finance options. ### Clearpay Pay over time with Clearpay, ideal for boilers, cylinders and full bathroom fits. Common questions ## Straight answers, no fluff. Can't see what you need? Call us on [07455 748635](tel:+447455748635) or [07702 523464](tel:+447702523464). How much does a new boiler cost in St Albans? Boilers are supplied and fitted from £1,850. The final figure depends on brand, flue route and any system flush, so we provide a free survey and a fixed written quote, with no commission-driven upsell. Are you Gas Safe registered? How fast can you get to an emergency? What are your opening hours? Do you cover commercial properties? Do you work on oil-fired heating? Do you install and service LPG boilers? Do you fit unvented hot water cylinders? Do new boiler installs come with a warranty? Ready when you are ## Get a written estimate from a Gas Safe engineer today. No call centres. No pressure. Just a fair price and a job done properly. [Request Your Estimate](/contact) [07455 748635](tel:+447455748635) [07702 523464](tel:+447702523464) ![Heatrite Plumbing & Heating](/__l5e/assets-v1/6766d4f9-4594-4088-8ae7-80c8fa1d440c/heatrite-logo.png) Gas Safe heating & plumbing specialists based in London Colney, St Albans, serving homes and commercial properties across Hertfordshire & the Home Counties. Mon–Sat 8:00–17:30, with 24/7 emergency response. [](https://www.facebook.com/profile.php?id=61551391771285)[](https://www.instagram.com/heatriteplumbingandheating/) ### Domestic - [Boiler Installation & Servicing](/services/boilers) - [Plumbing](/services/plumbing) - [Emergency Call Outs](/services/emergency) - [Bathrooms](/services/bathroom-installations) - [Vented & Unvented Hot Water Systems](/services/cylinders) - [Heating & Hot Water Controls](/services/heating-controls) - [LPG Heating & Boilers](/services/lpg) ### Commercial - [Plant Room Installation & Purging](/services/plant-room) - [Tightness Testing & Purging](/services/tightness-testing) - [Power Flushing](/services/power-flushing) - [Commercial Plumbing](/services/commercial-plumbing) - [Commercial Heating & Gas](/services/commercial) - [24/7 Call Out](/services/emergency) - [Unvented Hot Water Systems](/services/cylinders) - [Warm Air Heaters](/services/warm-air-heaters) - [Maintenance Contracts](/services/maintenance) ### Company - [About](/about) - [Service Areas](/service-areas) - [Our Work](/our-work) - [Reviews](/reviews) - [Contact](/contact) ### Contact - [07455 748635 ](tel:+447455748635) - [07702 523464 ](tel:+447702523464) - [07584 076105 ](tel:+447584076105) - [info@heatrite.uk](mailto:info@heatrite.uk) - 17 Manor Rd, London Colney St Albans AL2 1PN © 2026 Heatrite Plumbing & Heating Ltd. All rights reserved. [Privacy Policy](/privacy-policy)[Terms & Conditions](/terms-conditions)· Company No. 15149175 · Gas Safe [Call now](tel:+447455748635)[Request Estimate](/contact)