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Boiler Installation Chelmsford

Fixed-price boiler installation in Chelmsford (CM1, CM2 and CM3), serving Moulsham, Great Baddow, Springfield and Broomfield. Start with an online quote for boiler replacement today.

Next-day installation slots
Up to 12-year warranty
Gas Safe registered engineers
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Reliable Boiler Installation & Replacement in Chelmsford

Chelmsford’s Victorian terraces around Moulsham Street and New London Road, 1930s to 1950s estates in Moulsham Lodge and Great Baddow, and newer flats on the Chelmer Waterside shape many of the boiler installations we carry out across CM1, CM2 and CM3. We survey each layout first and avoid costly relocations.

Essex and Suffolk Water supplies hard water to Chelmsford, so limescale builds up steadily inside heat exchangers and pipework. On every installation in CM1 and CM2 we flush the system, fit a magnetic filter and recommend scale protection, and we size the new boiler carefully so it copes with the demands of your household.

Whether you’re replacing an old back boiler in Moulsham, upgrading to a combi in Springfield or fitting a system boiler in a large Great Baddow house, our Gas Safe engineers commission every installation and register the warranty, so your Chelmsford boiler runs efficiently from day one.

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Why Replace Your Old Boiler in Chelmsford

Many of the boilers we replace in Chelmsford are 12 to 15 years old or more, fitted when the estates matured and rarely upgraded since.

Interwar and post-war semis with older cavity walls lose heat unevenly, so an inefficient boiler burns far more gas to keep rooms warm through cold, damp Essex winters.

Older terraces around Moulsham and Old Moulsham have solid walls and dated pipework, and boiler breakdown call-outs there rise sharply each winter across CM2, especially during cold snaps.

Parts of the River Chelmer and Can valley are prone to flooding, so we advise on boiler positions and protect pipework in vulnerable ground-floor kitchens and utility rooms.

Many older Chelmsford terraces and semis still use regular boilers with loft tanks that can freeze or leak in cold snaps. Switching to a combi removes those tanks, frees up loft and cupboard space and gives instant hot water whenever you turn on the tap.

Upgrading to a new A-rated boiler lowers your bills, adds smart heating controls and brings a manufacturer warranty of up to 12 years, so Chelmsford homes see fewer breakdowns.

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Our Best-Selling Boiler Packages in Chelmsford

Browse our most popular boiler installation packages, selected to suit different property sizes, hot-water requirements and budgets in Chelmsford.

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Areas We Cover

We provide home energy installations nationwide, helping families across the UK upgrade their heating and energy systems. With next-day installation slots often available, getting started couldn’t be easier.

We have major hubs in Wales, London and the Midlands. Our accredited engineers deliver a fast, reliable service wherever you live. You can get a quote online today using our streamlined system, and we’ll match you with an engineer in your local area.

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How Much Does a New Boiler Cost in Chelmsford?

In Chelmsford, a like-for-like combi replacement usually costs between £1,800 and £3,500 fully installed, depending on the brand and output. This covers most terraces in Moulsham, Old Moulsham and Springfield, where the new boiler stays in the same position.

For a system or regular boiler, found in larger semis in Great Baddow, Broomfield and Writtle, expect around £2,200 to £4,000, particularly if the cylinder or loft tank also needs replacing.

Converting from a tank-fed system to a combi, removing a back boiler or working on a Victorian terrace with restricted access typically costs £3,000 to £5,000. EazyHeat provides a fixed, itemised quote before any work begins.

Every Chelmsford quote is broken down line by line, covering the boiler, flue, controls, labour and commissioning, so you know exactly what you are paying for and the price agreed before work begins is the price you pay at completion.

Choosing the Right Boiler When Replacing Your Old Gas Boiler in Chelmsford

When it comes to replacing an existing gas boiler, you have several options depending on your home, lifestyle, and budget in Chelmsford.

Combination Boilers (Combi) Chelmsford

  • Heat your central heating and hot water directly from one compact unit.
  • No separate hot water cylinder needed.
  • Best suited to Moulsham or Springfield terraces and households with one bathroom.
  • Highly energy-efficient, with minimal heat loss.

Ideal for: compact terraces, flats and small to medium homes in areas like Old Moulsham and Waterside.

System Boilers Chelmsford

  • Take water directly from the mains and store it in a hot water cylinder.
  • Provide a constant supply of hot water to multiple taps at once.
  • More suited to larger Great Baddow or Broomfield homes with higher hot water demand.

Ideal for: Families with multiple bathrooms in larger CM1 and CM2 homes and households with heavy daily hot water use.

Regular Boilers (Conventional) Chelmsford

  • Also known as traditional or heat-only boilers, still common in older Chelmsford terraces and semis.
  • Use a separate hot water cylinder and cold water storage tanks, typically in the loft space.
  • Best for homes with an existing tank-fed setup in Writtle or Danbury.

Ideal for: Larger detached homes in CM1 or CM3 already configured for a regular boiler, or with high hot water needs.

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Flexible ways to pay

Choose from a range of convenient payment options, including flexible finance plans or paying for your installation in full.

Flexible Monthly Repayments

Representative APR 11.9% (fixed)

Spread the cost of your installation over a longer repayment term with manageable monthly payments.

As long as your scheduled monthly payments are maintained, you can make additional payments at any time. Overpayments may help reduce the total interest charged and shorten the length of the agreement.

You will also receive the additional protections provided by the Consumer Credit Act 1974.

Representative example: Cash price £2,000. No deposit required. Total amount of credit £2,000. Interest rate 11.9% per annum fixed. Representative APR 11.9%. Agreement term 60 months. 60 monthly payments of £43.78. Total amount repayable £2,627.08.

Cash, Card or Bank Transfer

Pay for your installation in full

Choose from several convenient ways to pay for your installation:

  • Make an online bank transfer to Eazy Heat Ltd. using the bank details shown on your invoice. This is our preferred payment method.
  • Make a card payment over the phone through our office.
  • Make a cash payment after your installation has been completed.
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We act as an introducer appointed representative of Vendigo, we’ll never quote you real time rates. We’ll simply send you a link to apply for finance from them.

EAZY HEAT LTD (FRN: 1020736)] is an Appointed Representative of Koze Group Ltd, a credit broker, not a lender. Koze Group Ltd is authorised and regulated by the Financial Conduct Authority (FRN 811281) and registered in England (08357963). We offer finance products from a panel of lenders. Credit is subject to age and status.

Why Choose EazyHeat?

At EazyHeat, we don’t just install systems. We provide a complete, customer-focused experience that puts speed, simplicity, and service first. Homeowners across the UK choose us for:

Fast Turnaround Times

Choose your install date, and we’ll do the rest. No drawn-out processes or unnecessary delays.

12-Year Warranty as Standard

All boiler installations come with a market-leading 12-year parts and labour warranty.

Highly Rated Service

We’re proud of our reputation. From initial quote to final handover, we deliver consistently top-rated service across the UK. That’s why we’re rated Excellent on Trustpilot!

Gas Safe Registered Installers

Every job is carried out to the highest safety standards by our fully qualified, experienced engineers.

UK-Wide Coverage

No matter where you’re based, we’ve got expert installers ready to help – from major cities to rural towns.

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What Our Customers Are Saying

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Boiler Installation FAQs

Yes. Victorian terraces across CM2 are a regular part of our work. We plan the flue route through a rear wall or roof, size the boiler for a compact kitchen and protect your home throughout, keeping disruption to neighbours to a minimum.

Yes. Newer flats often have boilers in cupboards with fixed flue routes and freeholder rules. We check ventilation, flue positions and gas supply, liaise with the managing agent where needed and fit a compact combi that meets Part J and building regulations without disturbing neighbours.

Hard water leaves limescale on heat exchangers and pipework, which reduces efficiency and shortens boiler life. We flush the system, fit a magnetic filter and can add scale protection. Annual servicing keeps your Chelmsford boiler running well and protects your warranty.

A like-for-like combi swap in a typical Chelmsford terrace or semi takes 4 to 6 hours. Removing a back boiler or converting a larger Great Baddow home from a regular system usually takes a full day, occasionally running into the next morning for commissioning. We tidy up fully and explain your new controls before we leave.

Alongside Chelmsford city centre, we install boilers in Moulsham, Great Baddow, Springfield, Broomfield, Writtle, Danbury and Galleywood, as well as Maldon and Braintree. If you are just outside the CM postcodes, we also cover nearby Colchester, Southend-on-Sea and London. We regularly work across Essex.

Speak With Our Boiler Experts

For personal guidance about your property or installation, call EazyHeat on 0330 133 5170.

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