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Recent Comments
”George at Thames boilers has been great. Have used him on a couple of occasions and was always prompt , efficient and very friendly. He was even great with my nosy cat trying to get in his way. Had a hiccup with our new thermostat after he first visited and he immediately came within a few hours to fix it for us. Great service”
–M Hunter
”George replaced our boiler recently. He was really friendly, reliable and fair with pricing. Would definitely recommend and will be booking in for annual boiler services without a doubt.”
-Emma T
“George from Thames Boilers came to install a brand new boiler in my property. Our previous boiler was 21 years old and beyond repair. George went through all the different options available to us, understood our needs and we settled on our new boiler. During installation he explained in detail what he was doing and what he’d be doing next. He was exceptionally clean and tidy throughout the entire installation. He was professional, friendly, courteous, reliable, trustworthy and efficient. I would wholeheartedly recommend Thames Boilers to everyone.”
-David Herrington
Popular Boilers In South Norwood

Vaillant Boilers
Vaillant are one of the best known boiler manufacturers in the UK. They’re a German company, based in Remscheid since 1874.
Worcester Bosch Boilers
Worcester Bosch are one of the best known boiler makes in the country. If you want a high quality boiler, but still want to support British manufacturing, then Worcester Bosch is a great choice. However, they are among the most expensive boilers we install.


Viessmann Boilers
Viessmann is the greatest boiler brand you’ve never heard of. We’re big fans of Viessmann here at Thames Boilers because they’re as well built as (if not better) than Vaillant or Worcester Bosch, but their prices are a little lower. This makes Viessmann fantastic value – and Which? magazine agree, giving Viessmann boilers several Best Buy awards in recent years.
Baxi Boilers
Baxi is another well established British heating brand, whose roots go back to Richard Baxendale, an iron founder, who began the Baxendale Company (now Baxi) in 1866, based in Preston in Lancashire. Today, Baxi also make boilers under the Main and Potterton brands. We usually recommend Baxi boilers as the least disruptive replacement to some heat-only boilers – and their Main boiler brand for people who want to keep costs down.

Common Questions From Our South Norwood Customers​
As a rule, if you have one bathroom and good water pressure at your kitchen tap or outdoors tap, a combination central heating boiler is generally the very best option for most people.
If you have got more than one bathroom in your home, then a conventional central heating boiler (or even a system central heating boiler) with a hot water cylinder would be the most effective option for you.
No. For existing residences, if you have to change your central heating boiler from 2035 onwards, you will not be allowed to replace it with another gas central heating boiler. According to current government plans, you would have to get a Hydrogen boiler or a heat pump. Nonetheless, if your gas central heating boiler is working in 2035, you will not be required to do anything until it needs to be changed, such as if it’s broken down & beyond repair.
It can vary hugely depending on what you require.
Yet as a rough guide, to take your old central heating boiler out & put a new one in the exact same place ranges from roughly ₤1800 to ₤3000.
And take out an old type of gas boiler with a hot water tank {and} put in a combi central heating boiler costs between roughly ₤3000 and ₤5000.
If you require various other jobs carried out at the same time, such as a power flush, a new gas pipeline, or new radiators, this will certainly add to the estimated price.
If you have got 1 bathroom and good water mains pressure, then yes.
If you have got more than 1 bathroom or bad water mains pressure, then no{, you should look at a conventional boiler or a system boiler}.
Yes. There are several types of clever thermostats that can connect to the internet so you can regulate your central heating boiler from your phone. Some brands people go for are Nest, Honeywell, Tado, and Hive.
Yes, we cover the South Norwood area, in Greater London (Croydon) as well as Ladywell, Lewisham, Mottingham, St Johns, Blackheath, Greenwich, Kidbrooke, Maze Hill, Charlton, Shooters Hill
6 Great Reasons Why You Should Replace Your Old Boiler
1. Cut Your Heating Bill
Did you know that old fashioned G-rated boilers waste 45p of every £1 you spend on gas? That’s a big waste of gas and money. But if you get a new A-rated boiler, only 8-9p in every pound is wasted. That’s a big saving that can add up to up to £570 every year.
2. Save Money On Boiler Breakdowns
3. More powerful showers and fast filling baths
4. Stop running out of hot water
5. Create more space at home
6. Never worry about turning the heating on again.

Greater London (Croydon) Central Heating Boiler Servicing & Repair
If you don't want to replace your boiler just yet, we can service or repair it for you to help you keep it going for a bit long and save you money.

Greater London (Croydon) Central Heating Boiler Upgrades
We can help you to upgrade your boiler. It doesn't matter if you need a simple combination boiler replacement or an entirely new central heating system - we'll be happy to help!