Rated 5 star on Business Approval Register
Boiler Installation,
Repairs & Servicing
in Seaham
From newer developments to former miners’ terraces, Housewarmers has kept Seaham’s boilers running safely for over 50 years.
Boiler Installation
Boiler Servicing
Boiler Repairs
Other Services
50 YEARS SERVING SEAHAM
Boiler Installation,
In Seaham
As a boiler replacement specialist and local installer covering Seaham, we install gas, electric and LPG boilers across the town. That includes straightforward combi replacements in newer homes, as well as older properties where existing pipework, flue routing or coastal exposure may need more consideration.
Our process is simple: a free home visit and quote, an installation date to suit you, and most jobs completed within a single day. Every boiler comes with a full manufacturer’s warranty and Gas Safe registration on completion.
BOILER UPGRADES
Boilers We Install And Upgrades Availables
We primarily install Worcester Bosch boilers and are long-standing Worcester Accredited Installers, offering warranties of up to 12 years. We’re also accredited installers for Baxi and Viessmann. Alongside combi boilers, we install system, traditional (regular), electric and LPG boilers, as well as unvented cylinder systems where they’re better suited to the property.
Add A System Filter
Or Magnaclean
Add Or Upgrade Your
Heating Controls
Increase The System
Load With Radiators
Replace Existing
Radiators
BOILER TYPES
Which Boiler Is Right for Your Home?
The right boiler depends on your property, not just your budget. As a rough guide:
Newer Development
Already on mains gas — usually a straightforward combi installation
Former Miners' Terrace
Usually a straightforward combi-to-combi replacement, though flue routing sometimes needs extra thought
Older Coastal Home
We’ll check flue and casing positioning carefully at the survey stage, given the exposure to sea air
Unsure?
Larger home, higher hot water demand, or not sure what you’ve got — free home survey and an honest recommendation
DO YOU NEED A NEW BOILER?
Benefits Of A New Boiler
Replacing an older boiler isn’t just about fixing something that’s broken. A modern A-rated condensing boiler can reduce energy use, running costs and emissions compared with an older, inefficient system.
We’ll give you a straight comparison of running costs for your specific property during a free quote, rather than a generic estimate.
- Lower running costs, especially compared with an older, inefficient boiler
- Far fewer breakdowns and call-outs than an ageing system
- A full manufacturer's warranty for peace of mind
- Compatible with smart heating controls, for better day-to-day efficiency
- Lower carbon emissions than an old, inefficient boiler
AFFORDABLE SERVICING
Boiler Servicing
In Seaham
Regular servicing keeps your boiler safe, efficient, and within its warranty terms. Our Gas Safe engineers carry out a full service every visit — visual inspection, flue and ventilation checks, system pressure, condensate trap and filter, and more. For coastal properties, we pay particular attention to external flue and casing condition, given the exposure to sea air. We service all boiler brands, not just the ones we install.
Why annual servicing matters:
- Keeps your boiler running efficiently, which helps keep bills down
- Checks safety components, reducing the risk of leaks or faults
- Catches small issues before they become expensive breakdowns
- Keeps your manufacturer's warranty valid - most require an annual service
CP12 GAS SAFETY
Landlord Gas Safety Certificates In Seaham
If you’re a landlord, we also provide CP12 Gas Safety Certificates across Seaham. During the inspection, we’ll check all gas appliances, pipework and flues, ensuring your property meets current gas safety regulations and providing the documentation you need to stay compliant.
FREE EXTENDED WARRANTIES UP TO 12 YEARS
Boiler Repairs
In Seaham
We repair everything from routine faults on newer boilers to more involved problems with ageing heating systems. No heating, no hot water, low boiler pressure, diverter valve faults and unusual noises are among the most common issues we see. On properties closer to the coast, we also check exposed flue components for signs of deterioration.
We repair all boiler brands, not just the ones we install — Alpha is one example we repair but don’t fit as new. Many repair call-outs can be attended the same day, depending on engineer availability.
HONEST RECOMMENDATIONS
Repair or Replace?
Not every fault means you need a new boiler. A single fault on a boiler under 8–10 years old is often worth repairing. If breakdowns are becoming frequent, the boiler is approaching the end of its expected life, or a major repair would cost a significant proportion of a replacement, we’ll talk you through both options.
SIMPLE, HASSLE FREE QUOTE
What Happens From choose Quote to Completion
Free Home Survey
We'll visit your property, assess your current heating system and discuss your hot water needs, budget and any questions you have.
Honest Advice
We'll recommend the most suitable boiler for your home and explain your options clearly, with no pressure to buy.
Fixed Quotation
You'll receive a clear, no-obligation quotation with no hidden costs.
Professional Installation
On the agreed day, our Gas Safe engineers will protect your home with dust sheets before removing your old boiler and installing your new one.
Testing & Handover
We'll fully test and commission your new boiler, demonstrate how to use the controls and answer any questions before we leave.
Registration & Peace of Mind
We'll complete your Benchmark checklist, register your Gas Safe installation and manufacturer warranty, then dispose of your old boiler and packaging responsibly wherever possible.
giving Seaham homeowners reassurance
Why Choose an, Accredited Boiler Installer
We’re Accredited Installers for Worcester Bosch, Baxi and Viessmann, giving Seaham homeowners the reassurance that our engineers receive manufacturer-approved training and stay up to date with the latest products, technical guidance, installation standards and servicing procedures.
If you’re choosing one of these brands, our accredited status can also mean access to extended manufacturer warranties on qualifying new boiler installations, giving you extra peace of mind.
Whatever type of property you own, we’ll recommend the right system for your heating and hot water requirements and install it to the manufacturer’s recommended standards — not simply the one that’s quickest or easiest to fit.
INSTALLATION AND MAINTENANCE
Boiler Installation
And Maintenance
Across Seaham
We regularly install and service boilers across:
- Seaham Harbour
- Dawdon
- Deneside
- Eastlea
- Parkside
- Seaton
- New Seaham
- Westlea
- Dalton-le-Dale
- Cold Hesledon
- Murton
- Hawthorn
LOCAL, TRUSTED, EXPERIENCED
Why Seaham Homeowners
Choose Housewarmers
50 years serving Seaham, founded by Will - Will, Alex and Kyle handle the plumbing and heating, with Kayleigh running the business day-to-day
Gas Safe registered (116608); Trading Standards Institute Consumer Codes Approval Scheme and APHC member
Worcester Bosch, Baxi & Viessmann Accredited Installer - up to 12-year warranty on Worcester Bosch
SERVICES WE PROVIDE
Boiler & Heating
Services In Seaham
OTHER SERVICES
Beyond Boiler &
Heating Services
- Central heating installation, upgrades & extensions
- Smart thermostats & heating controls
- Bathrooms - including accessible and wet-room designs
- Fireplaces and wood-burning stoves - self-certified through our own OFTEC registration
- General plumbing, across Seaham
our reviews
What Our Amazing
Customers Think
We’d love to hear from you! If you’ve enjoyed working with us, please take a moment to leave a review on Yell or Google. Every review helps us grow and continue delivering the best possible service.
“Will and his team were helpful and pleasant to deal with throughout the replacement of aging boiler. There was a lot to get through in a single day, but they arrived promptly with a strong team and got through the work quickly and efficiently, leaving everything tidy and clean behind them”
“Alex and Kyle fitted a new boiler moving it to the loft. Lovely guys, polite and friendly. The quality of work is exceptional. Despite it being in the loft where it will not be seen the pipes are really neat. Have a look at the photos. Never use anybody else.
“Just had a boiler installed by Housewarmers to replace the one they installed 18 years ago, and serviced annually by them.
Great service from a super friendly team. Fast and efficient installation, all rubbish removed and house left clean and tidy.
We have recommended Housewarmers to a few of our friends and they haven’t been disappointed with the level of service."
“I have had Housewarmers servicing my boiler for the last 19 years. We were looking at getting a new bathroom makeover and decided to ask Will at Housewarmers to give me a quote. We had the new bathroom installed in 2 days, this was for new wall panels, radiator, thermostatic shower, shower cubicle, and flooring.
Excellent job by Alex and Kyle.”
our care plans
See Our Care Plans
Affordable, reliable boiler care from your local experts, helping you stay warm all year round with complete peace of mind.
OUR FAQ’s
See Our Boiler FAQs
Please note: We don’t Install or repair oil boilers
Installation is typically completed in one day, unless we are replacing or upgrading an entire heating system.
Regular maintenance is crucial to ensure efficient operation. This includes annual servicing, checking for leaks, and ensuring all components are functioning correctly.
Typically £1,900–£3,200 depending on boiler type and any extra work needed. We provide a free, no-obligation quote.
Most installations are completed within a single day.
Yes — alongside standard gas combi boilers, we install and service both electric and LPG boilers where a property calls for it.
Not usually for the installation itself, but we pay extra attention to flue and casing positioning and condition, given the added exposure to sea air.
contact us
We’d Love To
Talk To You
Our happy and experienced staff will
be happy to assist you.
Tel: 0191 4561929
Mobile: 0752 576 4529
34 Windsor Terrace,
Sunderland SR2 9QF