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Switch to a new boiler that boasts high energy efficiency, helping you save more without losing your comfort. Choose from our wide range of top-rated boilers from leading UK boiler brands, installed by our team of accredited Gas Safe engineers.
We know that choosing the right boiler can feel overwhelming, but we are here to make the process easy and stress-free. Our team is ready to provide reliable and helpful advice in finding the perfect boiler that fits your heating needs.
Whether you’re up for boiler replacements or full installation for your new home, you can count on our excellent service. We make customer satisfaction our top priority, giving you great value for your money.
Why Choose Rowlen
Exclusive In-House Engineers
We are a heating company that values quality service known of Rowlen. All our gas engineers exclusively work with us; no subcontracts!
Expertise Across Brands
Our Gas Safe engineers are expertly trained to install boilers from various brands such as Vaillant Boilers, Honeywell Boiler, Glow Worm, Ideal Boilers, Worcester Bosch Boilers, Halstead Boiler, Baxi Boilers, and more.
Transparent and Straightforward Pricing
We offer upfront estimates and detailed quotes to ensure our customers understand the costs and many benefits associated with our services. No hidden costs!
Same-Day Response
We value your time. Our customer support will respond to your call and attend to your needs within the hour whenever possible.
12 Month Guarantee
We complete each job with the highest standards of high quality workmanship, which is why we offer a 12-month labour warranty in all our services.
How it Works with Rowlen
Face to Face Quotes
Our team will work closely with you and arrange a final site survey appointment that fits your schedule. We will assess the size of your property, your budget, and your heating and hot water requirements to determine the type and brand of boiler that best suits for your home. We will then provide quick quote for the expected cost.
Installation
We make the work easy for you. After securing all the necessary permits, our boiler installation experts will carry out the installation process with very minimal disruption, including the removal of the old boiler if you booked for a replacement.
Testing
The heating engineer will run standard operational tests to make sure that the new boiler is connected to the heating system and all heating controls are working properly, listening to strange noises and watching out for any error code, to avoid any future boiler problems.
Support
Don’t worry, the engineer will demo all the controls of your new boiler! We will provide a handover pack with all the relevant documents for future boiler maintenance and support. We take pride of our after-sales services that is ready to address all of your concerns so feel free to ask any questions; we also offer service plans after!
Fully Accredited for your peace of mind









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Boiler Installation FAQs
How long does it take to complete standard new boiler installations in Streatham?
The time to install new boilers varies. Simple installations may take one day, while more complex jobs, like making modifications or switching to a different type, could take up to three days. The type of boiler plays a factor, as well. For example, a combi boiler takes less time to install compared to a conventional boiler. After assessing your situation, the heating engineer will provide the expected cost and duration of the entire process.
For boiler installation Streatham homeowners can rely on, choose Rowlen. Book online or reach us at 020 8395 8616 to get your free quote.
How do I avoid the need for frequent boiler repairs on my newly installed unit?
Although it does not totally remove the possibility of boiler breakdowns, a regular boiler servicing is a cost-effective preventative maintenance that can help you save money on energy bills and avoid too many emergency repairs.
Here in Rowlen, we offer an annual boiler service performed by highly trained professionals to help maintain an efficient heating system in your home. Tucking away cash every year for your boiler’s routine maintenance is a small price to pay in exchange of your home’s warmth, safety, and comfort. When you book for our annual servicing, our heating engineers can easily identify potential heating issues before they become major problems.
Moreover, most boiler manufacturers highly recommend a regular maintenance to keep your warranty valid. For regular servicing and boiler repairs Streatham homeowners can rely on, choose a professional service from Rowlen.
What other services does Rowlen offer?
Rowlen is more than just a boiler service company. As a family-run business with over 50 years of experience, we also offer professional central heating and plumbing services across Streatham and South West London.
We offer expert solutions such as central heating system repair and maintenance, power flushing, or new pipework installation. We also have a 24-hour emergency call-out service. In case of plumbing emergency, our response team is ready to respond immediately to ensure your safety.
For an expert gas fitter and plumber Streatham homeowners can rely on, choose Rowlen. Whether it’s a new boiler, solar panels, emergency service, a new bathroom, or full central heating installation, you can rest easy knowing you’re covered. With our quality service and labor guarantee, we ensure that every job is completed to the highest standard, giving you peace of mind from start to finish.