Central One Plumbing & HeatingCentral One
    Plumbing & Heating
    07427 818053Get a Quote
    Gas Safe Registered Engineer

    Boiler Replacement
    Across Coventry & Warwickshire

    Your old boiler is costing you hundreds per year in wasted energy. We replace it with a modern A-rated unit — fixed price, fitted in a day, with up to 12 years of manufacturer warranty.

    15+Years Experience
    Same DayReplacements
    FixedPricing
    A-RatedBoilers Only

    Service Overview

    What You Need to Know

    What Is This Service?

    A boiler replacement involves removing your existing boiler and fitting a new, energy-efficient unit in its place. This includes all pipework connections, flue modifications, system flushing, and commissioning. We handle like-for-like swaps and system conversions.

    Who Is It For?

    Homeowners with boilers over 10 years old, anyone facing repeated breakdowns, landlords needing compliant heating for rental properties, and anyone whose current boiler is no longer economical to repair.

    When Do You Need It?

    When repair costs approach 50% of a new boiler's price, when your boiler is over 10-12 years old, when energy bills keep climbing, or when your engineer advises that parts are no longer available.

    Why Use a Professional?

    A boiler replacement must be carried out by a Gas Safe registered engineer. An improperly installed boiler is a carbon monoxide risk, voids insurance, and fails to deliver the efficiency savings you're paying for.

    Don't Ignore the Signs

    The True Cost of Keeping an Old Boiler

    • !Wasted energy — a 15-year-old G-rated boiler wastes up to 40% of the gas it burns. That's over £400 per year in wasted fuel on average.
    • !Repair spiral — once major components start failing, you're paying £150-300 per repair on a boiler that will fail again within months.
    • !No parts available — manufacturers discontinue parts for older models, meaning your next breakdown could be the last.
    • !Carbon monoxide risk — ageing heat exchangers develop micro-cracks that leak odourless, deadly carbon monoxide into your home.
    • !Insurance exposure — some home insurance policies won't pay heating-related claims if your boiler hasn't been serviced or is beyond its serviceable life.

    Our Process

    How It Works

    1

    Free Assessment

    We inspect your current boiler, assess your home's heating demands, and recommend the most suitable replacement.

    2

    Fixed-Price Quote

    You receive a transparent, all-inclusive quote. No hidden extras — the price covers the boiler, all labour, materials, and old boiler disposal.

    3

    Old Boiler Removal

    We safely disconnect and remove your existing boiler, capping all services and disposing of the unit responsibly.

    4

    New Boiler Installation

    Your new boiler is fitted with all pipework connections, flue fitting, condensate drainage, and a magnetic filter for system protection.

    5

    Commission & Handover

    We commission the boiler to manufacturer specs, register your warranty, complete Gas Safe paperwork, and demonstrate the controls.

    Our Work

    Real Examples of Our Boiler Replacement

    Viessmann boiler replacement fitted inside airing cupboard by Central One

    Viessmann Cupboard Replacement

    This boiler replacement saw an old, inefficient unit swapped for a compact Viessmann Vitodens boiler, neatly fitted inside the existing airing cupboard. The old pipework was modified and a magnetic filter added to protect the new boiler from circulating system debris.

    Baxi combi boiler replacement with new pipework and controls

    Baxi Combi Boiler Swap

    A straightforward like-for-like Baxi combi boiler replacement completed in a single day. The installation included a full system power flush, new magnetic filter, and fresh inhibitor — ensuring the new boiler operates at peak efficiency from day one.

    Alpha E-Tec boiler replacement installation with neat copper pipework

    Alpha E-Tec Replacement

    An older boiler replaced with a modern Alpha E-Tec unit. The installation included upgrading the gas supply pipe, rerouting the condensate drain internally, and fitting thermostatic controls — all completed with clean, professional pipework.

    Why Choose Us

    The Benefits

    Immediate Bill Savings

    An A-rated boiler runs at 92%+ efficiency vs 60-70% for old units — saving £200-400 per year.

    Up to 12-Year Warranty

    Extended manufacturer warranties protect you from unexpected costs for over a decade.

    Fitted in One Day

    Standard like-for-like replacements completed within a single working day.

    Fixed Pricing

    No call-out fees, no surprise charges. Your quote is your final price.

    All Brands Available

    Worcester Bosch, Vaillant, Baxi, Ideal, Viessmann — we recommend what suits you.

    Full Disposal Included

    We remove your old boiler and dispose of it responsibly — included in every quote.

    In Detail

    When and Why to Replace Your Boiler

    The average boiler lifespan is 10-15 years. After this point, efficiency drops significantly — even a well-maintained boiler will lose 10-15% of its original efficiency rating. For a boiler that was 85% efficient when new, that means it's now operating at 70-75%, wasting a quarter of your gas spend.

    Modern condensing boilers achieve 92-94% efficiency under typical operating conditions. The difference between a 70% efficient old boiler and a 93% efficient new one amounts to £300-450 in annual gas savings for an average three-bedroom home in Nuneaton or Coventry.

    We replace all types of domestic boilers. Combi-to-combi swaps are the simplest, typically completed in 5-7 hours. Converting from a regular (conventional) boiler to a combi involves removing the hot water cylinder and cold water tanks, freeing up space in your airing cupboard and loft.

    System boiler replacements suit larger properties with multiple bathrooms. We install sealed-system cylinders from Megaflo and other manufacturers, providing mains-pressure hot water to every outlet without the limitations of a gravity-fed system.

    Every replacement across Nuneaton, Bedworth, Coventry, Leamington, Solihull, Tamworth, Atherstone, and Warwick includes a full system flush with chemical cleaner, fresh inhibitor, and a magnetic filter. This protects your new boiler from existing system sludge — the leading cause of premature boiler failure.

    Common Questions

    Frequently Asked Questions

    Ready to Get Started?

    Get a no-obligation quote from our experienced, fully qualified engineers. We respond within hours, not days.

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