Boiler Installation & Replacement
Boiler Installation and Replacement in South West London and the Home Counties
Gas Safe boiler installation with expert advice, efficient systems and professional commissioning for your home.
When a boiler reaches the end of its life, or when you want to upgrade to a more efficient heating system, choosing the right replacement is essential. At BPH, we provide professional boiler installation and replacement services for homeowners across South West London, London and the Home Counties, ensuring every system is correctly specified and installed for long-term performance.
Our Gas Safe registered engineers assess your property carefully before recommending a solution. We consider the size of the home, hot water demand, existing pipework and radiator system to ensure the new boiler is properly matched to the way the household uses heating and hot water. This prevents the common problems caused by poorly specified systems.
We install combi, system and heat-only boilers from leading manufacturers, offering straightforward advice on the most suitable option for your home. Our work includes flue installation where required, full system flushing and chemical treatment, and careful commissioning of the appliance and controls.
Once the installation is complete, we test the system thoroughly, register the manufacturer’s warranty and ensure everything is operating safely, efficiently and ready for everyday use.
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Supply and installation of combi, system, and heat-only boilers
Like-for-like replacements and full system reconfigurations
All leading boiler brands
Flue installation and relocation where required
Full system flush and chemical treatment as standard
Commissioning, testing, and handover with Manufacturer warranty registration
Straightforward Pricing
Before we attend, we send you our schedule of rates to review and sign via DocuSign, so everything is agreed upon up front and in writing before our engineer steps through your door. Our rates are charged in half-hour increments, with a clear callout fee to attend. No hidden extras, no surprises.
Our Domestic Boiler and Heating Services
Why Choose Berkley Plumbing and Heating Ltd?
At Berkley we bring more than five decades of practical experience to domestic boiler and central heating services across London and the surrounding areas. As a long-established family-run business, we take genuine pride in the quality of our work and the reputation we have built over 50 years of service.
Our Gas Safe registered engineers work to the same professional standards used on major commercial and heritage projects, delivering careful installations, reliable repairs, and thorough servicing for boilers and heating systems in your home. As members of CIPHE and accredited with CHAS and Constructionline, safety, compliance and workmanship always come first.
We believe customers should always know where they stand. Our pricing is transparent and agreed in advance, and when heating problems cannot wait our responsive team is ready to help restore warmth and comfort to your home quickly and professionally.
The right boiler depends on your property size, hot water demand, and existing system. For smaller homes, a combi boiler is often ideal, while larger properties may benefit from a system or conventional setup. At Berkleys, we assess your home properly and often recommend trusted brands such as Worcester Bosch, Vaillant, and Ideal based on performance and reliability.
A straightforward like-for-like boiler replacement can usually be completed within a day. More complex installations, such as changing from a conventional system to a combi boiler, may take two to three days. We plan installations carefully to minimise disruption and ensure everything is fully tested and commissioned before handover.
Costs can vary depending on the boiler type, brand, and complexity of the installation. A typical installation with a quality boiler from manufacturers like Worcester Bosch or Vaillant can range from £3,500 to £5,800 or more. We provide clear, detailed quotations so you know exactly what is included from the outset.
Yes, modern A-rated condensing boilers are significantly more efficient than older models and can reduce your energy bills while lowering carbon emissions. Upgrading to a high-efficiency model from brands such as Ideal or Viessmann is often a smart long-term investment, particularly if your current boiler is over 10–15 years old.
Yes, we handle the full process from start to finish, including safe removal and disposal of your existing boiler and any redundant components. We leave the property clean and tidy, with your new system fully installed, tested, and ready to use.
In many cases, yes, particularly if you are upgrading to a combi boiler from an older system. However, water pressure also depends on your mains supply. We assess this during our survey and can recommend additional solutions, such as pumps or system upgrades, if needed.