Boiler Installation in Erith & Surrounding Areas
New gas boilers fitted across Erith, Belvedere, Thamesmead and surrounding areas. Combi, system and regular boilers. 10-year warranty on selected models. Free, no-obligation survey.
Why Replace Your Boiler?
If your boiler is over twelve years old, breaking down regularly, or your energy bills have been creeping up despite no obvious change in usage, it's probably time to think seriously about a replacement. Thames Plumber Services installs new gas boilers in homes across Erith, Belvedere, Thamesmead, Slade Green, Abbey Wood, Crayford, Northfleet and Swanscombe. We're Gas Safe registered, family-run, and have been fitting boilers in Erith and surrounding areas for over ten years.
A new boiler installation is one of the most significant investments you can make in a home's comfort and running costs. Done right — right boiler specification, correct sizing for the property, proper commissioning — a new boiler will run efficiently for fifteen to twenty years. We take the time to specify the right boiler for each property, not simply fit whatever's cheapest and easiest.
Why Choose Thames Plumber Services?
Gas Safe Registered
Every installation carried out by an engineer with current Gas Safe registration — the legal requirement and your assurance of UK safety standards.
Free Survey & Written Quote
We visit the property before giving you a price. No guesswork, no vague estimates that balloon later.
All Major Brands
Worcester Bosch, Vaillant, Ideal, Baxi, Viessmann, Glow-worm, Ariston. We recommend the right brand for your property and budget.
10-Year Warranties
Worcester Bosch and Vaillant offer 10-year warranties when installed by an approved engineer. We're approved to install both.
Clean & Tidy Installation
We lay dust sheets, remove all packaging and old equipment, and leave your home as we found it.
Local Engineers
Based in Erith. We're in the area, which matters if you ever need us to return. Our 12-month workmanship guarantee backs all installation work.
Types of Boiler We Install
We install all three main boiler types. The right choice depends on your property, your household's hot water demand and your existing system.
Combi Boilers
The most commonly fitted boiler in UK homes. Heats water on demand directly from the mains — no storage cylinder, no cold water tank. Instant hot water, space-saving, energy efficient.
Advantages
- ✓Instant hot water — no waiting for a cylinder to heat
- ✓Space-saving — no tank in loft, no cylinder in airing cupboard
- ✓Energy efficient — only heats water when needed
- ✓Lower installation cost than system or regular boilers
Best For
Flats, terraced houses and semis with one or two bathrooms
System Boilers
Works with a hot water storage cylinder, but all main components are built into the boiler — no cold water tank in the loft. Ideal for larger homes and properties with multiple bathrooms.
Advantages
- ✓Better suited to high hot water demand (multiple bathrooms)
- ✓Hot water available simultaneously to multiple outlets
- ✓No cold water tank required in loft
- ✓Compatible with solar water heating systems
Best For
Larger homes with multiple bathrooms and high demand
Regular Boilers
Works with both a hot water cylinder and a cold water tank in the loft. The right choice for larger, older properties where the existing pipework is sized for a conventional setup.
Advantages
- ✓Suits homes with existing conventional system pipework
- ✓Can supply high volumes of hot water simultaneously
- ✓Compatible with immersion heater backup
- ✓Works well with solar thermal systems
Best For
Larger, older properties with existing conventional systems
Boiler Brands We Install
We install boilers from all leading manufacturers. We'll recommend the right brand and model for your property and budget — without pushing you toward any particular manufacturer.
Worcester Bosch
Market leader in the UK. Excellent reliability record.
Up to 12-year warrantyVaillant
German engineering with a strong reliability track record.
Up to 10-year warrantyIdeal Boilers
UK-manufactured. Strong value proposition.
10-year warranty on Logic rangeBaxi
Well-established UK brand. Good range covering all boiler types.
Up to 10-year warrantyViessmann
High-efficiency German boiler. Premium option.
Excellent efficiency ratingsGlow-worm
Budget-friendly option. Solid reliability and good parts availability.
Competitive warranty termsAriston
Italian brand with growing UK presence.
Competitive warranty termsThe Boiler Installation Process
From first contact to final handover — here is exactly what happens when you choose Thames Plumber Services for your boiler installation.
Free Survey & Quote
We visit the property, assess your current heating system, understand your hot water requirements and take measurements. We discuss your options, explain the differences between boiler types, and leave you with a written, itemised quote. No charge for this visit. No obligation to proceed.
Agree the Specification
Once you've reviewed the quote and any questions have been answered, you confirm the boiler model and any additional work. We agree an installation date.
Installation Day
Our engineers arrive at the agreed time. A like-for-like combi replacement typically takes 4–6 hours. More complex jobs take longer. During installation, we isolate water and gas, remove the old boiler, install the new unit, make all pipe connections, and run full commissioning checks.
Commissioning & Safety
All gas work is checked for soundness before the boiler is fired up. Once running, we check flow temperatures, pressure, system balance and operation of all controls. We register the boiler with the manufacturer and obtain your warranty documentation.
Handover
We walk you through the controls, explain the manufacturer's service requirements, and answer any questions. You receive a Gas Safety certificate for the installation, warranty documents, and our contact details.
Boiler Installation Costs
We believe in being transparent about pricing. These are realistic ranges for the Erith area. You'll always receive a fixed written quote before any work starts.
| Job Type | Typical Price |
|---|---|
| Combi boiler replacement (like-for-like) | £2,000 – £2,800 |
| System boiler replacement | £2,400 – £3,200 |
| Conventional boiler replacement | £2,200 – £3,000 |
| Combi conversion (from conventional) | £2,800 – £4,000 |
| New installation (no existing system) | £3,500 – £5,000+ |
These are indicative ranges. The actual price depends on the boiler model chosen, the complexity of the pipework, the flue run and any additional work required. You'll receive a fixed written quote before any work starts.
Can I Get a Free Boiler Under the ECO4 Scheme?
The ECO4 (Energy Company Obligation) scheme provides government funding for energy efficiency improvements — including boiler replacements and first-time central heating installations — for qualifying households. Eligibility is primarily based on receiving certain means-tested benefits and having a low Energy Performance Certificate rating.
If you think you might qualify, we can assess your eligibility and advise on next steps. It's worth checking — the savings can be substantial.
Call 01474 329154 to Discuss ECO4Boiler Installation Coverage Area
We install boilers across our full local service area. View location-specific pages:
Frequently Asked Questions
How long does a boiler installation take?+
A straightforward like-for-like combi replacement typically takes one engineer four to six hours. More complex jobs — changing boiler type, repositioning the unit, running new pipework — usually span a full day or two days. We'll give you an accurate timeline at the survey stage.
Which boiler type is right for my home?+
This depends on your property size, number of bathrooms, hot water demand and existing heating system. As a rough guide: combi boilers suit one-to-two bathroom homes; system boilers work well in larger homes with multiple bathrooms; regular boilers are best for properties with existing conventional systems where conversion isn't practical. We explain this in plain English during the free survey.
How much does a new boiler installation cost in Erith?+
A like-for-like combi replacement in the Erith area typically costs between £2,000 and £2,800, including the boiler, all parts, labour and warranty registration. Complex jobs involving conversion, repositioning or significant pipework work will cost more. You'll always have a fixed, written quote before any work starts.
Do I need to replace my boiler if it's over 10 years old?+
Not necessarily. Boilers can run reliably for 15–20 years with annual servicing. However, if yours is over 12 years old and starting to break down regularly, become noisy, or showing significant drops in efficiency, replacement is likely more economical than continued repair. We'll give you an honest assessment during a survey — we won't push you to replace if repair makes more sense.
Is a boiler installation covered by a warranty?+
Yes — two separate guarantees apply. The boiler manufacturer provides a product warranty, typically 5–10 years depending on the brand and model (up to 12 years on selected Worcester Bosch models). Additionally, our own installation work carries a 12-month workmanship guarantee.
Can I get a new boiler fitted urgently if my current one has broken down completely?+
We'll do our best. Call us on 01474 329154 and explain the situation. For complete boiler failures — particularly in winter — we prioritise survey and installation turnaround. If we have a suitable boiler in stock and can free up an engineer, we can sometimes fit within 24–48 hours of survey.
Can I get a free boiler under the ECO4 scheme?+
The ECO4 (Energy Company Obligation) scheme provides government funding for energy efficiency improvements — including boiler replacements — for qualifying households. Eligibility is primarily based on receiving certain means-tested benefits and having a low Energy Performance Certificate rating. Call us on 01474 329154 to discuss your eligibility.
Do I need to be at home during installation?+
Yes, someone needs to be at the property throughout the installation. Engineers need access to the boiler location and occasionally to other parts of the home. We'll agree a start time and keep you updated on progress.
Get a Free Boiler Installation Quote
Ready to get a proper quote for a new boiler? Call us to arrange a free survey at a time that suits you and receive a written quote — no obligation to proceed.
14 Pier Road, Erith, Kent DA8 1TA | info@thamesplumberservices.co.uk