How long does a central heating installation take?

A straightforward boiler replacement typically takes one day. A full central heating installation in a property that currently has no system usually takes three to five days, depending on the size of the property and the complexity of the pipework.

How much does central heating installation cost in Exmouth?

A full central heating system for a three-bedroom house typically costs between £3,500 and £7,000 including the boiler, radiators, pipework, controls and labour. A like-for-like combi boiler replacement costs £2,000 to £3,500. Get at least two written quotes from Gas Safe registered engineers.

Do I need a Gas Safe engineer for central heating installation?

Yes. Any work involving a gas boiler, gas supply or flue must be carried out by a Gas Safe registered engineer. This includes installing, servicing and repairing gas boilers. It is illegal for anyone not on the Gas Safe Register to carry out gas work.

Which boiler type is best for my home?

Combi boilers suit small to medium homes with one bathroom. System boilers are better for larger homes with multiple bathrooms as they store hot water in a cylinder. Conventional boilers suit older properties with existing traditional pipework. A heating engineer can advise on the best option after surveying your home.

Can I add central heating to an old house?

Yes. Central heating can be installed in most older properties in Exmouth and East Devon. An engineer will plan pipework routes carefully to minimise disruption, and microbore or mini-bore pipework can be used where standard pipe runs are difficult. Radiator sizes will be calculated to account for lower insulation levels in older homes.

Will a new boiler reduce my energy bills?

Upgrading from an old G-rated boiler to a new A-rated condensing boiler can save £200 to £400 per year on gas bills, depending on your home size and usage. Adding smart controls and TRVs can increase savings further by heating only the rooms you use.

Central Heating Installation in Exmouth

Need a new central heating system, boiler upgrade or additional radiators? Browse local Gas Safe registered heating engineers covering Exmouth and East Devon.

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Central Heating Services

Local heating engineers in Exmouth cover everything from full system installations to simple radiator additions.

Full central heating installation

Complete system design and installation for new builds, extensions or properties upgrading from electric storage heaters to gas central heating.

Boiler replacement & upgrade

Swap an old G-rated boiler for a new A-rated model. Includes decommissioning the old unit, fitting the new boiler and testing the full system.

Radiator installation & upgrades

Add radiators to new rooms, replace undersized radiators or upgrade to modern designer panels. Includes pipework, valves and balancing.

Heating controls & thermostats

Install or upgrade programmable thermostats, smart heating controls and thermostatic radiator valves (TRVs) to improve comfort and cut energy bills.

Power flushing & system cleaning

Remove sludge, rust and debris from your central heating system to restore flow, eliminate cold spots and improve boiler efficiency.

Underfloor heating

Wet underfloor heating systems for new builds, extensions and renovations. Works with standard boilers and is compatible with future heat pump upgrades.

Cold spots, kettling or sludge in your existing system? See our dedicated power flushing service page .

Which Heating System Is Right for Your Home?

The right system depends on your property size, hot water demand and available space. Here is a quick comparison.

Combi Boiler System

Best for: Small to medium homes (1–3 bedrooms)

£2,000–£3,500

Heats water on demand — no hot water cylinder needed
Compact — ideal for homes with limited space
Lower installation cost than system or conventional boilers
May struggle if multiple taps or showers run at once

System Boiler

Best for: Medium to large homes (3+ bedrooms)

£2,500–£4,000

Stores hot water in a cylinder for higher demand
Can supply multiple bathrooms simultaneously
Compatible with solar thermal panels
Needs space for a hot water cylinder (no cold water tank needed)

Conventional (Regular) Boiler

Best for: Older properties with existing pipework

£2,500–£4,500

Uses a hot water cylinder and cold water tank in the loft
Suits homes with traditional heating layouts
Good for properties with high hot water demand
Requires more space than combi or system boilers

Not sure whether to keep your cylinder or switch to a combi? Read our combi boiler vs cylinder comparison .

What to Expect During Installation

A typical central heating installation follows four stages, from initial survey to final handover.

Survey and system design

A heating engineer visits your property to assess room sizes, insulation levels, pipework routes and hot water demand. They will recommend the right boiler size and radiator output for each room.

Quote and specification

You receive a detailed written quote listing the boiler model, radiator sizes, controls, pipework and any additional work such as flue routing or gas supply upgrades.

Installation

A Gas Safe registered engineer installs the boiler, runs pipework, fits radiators and connects controls. A straightforward combi swap takes one day; a full new system typically takes two to four days.

Commission and handover

The engineer commissions the boiler, balances radiators, tests all controls and registers the warranty. They walk you through the system and leave all paperwork and certificates.

Central Heating Costs in Exmouth

Typical prices for heating installations and upgrades in the Exmouth area. Prices are estimates — always get a written quote.

Service	Typical Cost
Full central heating system (new install)	£3,500–£7,000
Combi boiler supply & fit	£2,000–£3,500
System boiler supply & fit	£2,500–£4,000
Additional radiator (supply, pipe & fit)	£250–£500
Smart thermostat installation	£150–£300
TRV fitting (per radiator)	£50–£120
Power flush	£300–£600
Magnetic filter installation	£100–£200
System balancing	£100–£200

For a full breakdown of plumbing costs, see our plumber costs guide . Use our cost calculator for a personalised estimate.

Gas Safety Requirements

All gas central heating work must be carried out by a Gas Safe registered engineer . This is a legal requirement. After installation your engineer should provide a Building Regulations compliance certificate and register the boiler warranty.

You can verify any engineer at GasSafeRegister.co.uk. If you smell gas at any time, leave the property and call the Gas Emergency line on 0800 111 999. For urgent situations, see our emergency plumber page.

Central Heating FAQs

Find Heating Engineers in Exmouth

Browse our directory of local heating engineers and plumbers covering Exmouth and East Devon. Compare services, check verified badges and call directly.

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Need a boiler repair instead? See our boiler repair guide. Considering a new boiler? Check our new boiler cost guide or repair vs replacement comparison. Got cold radiators? See our radiator repair and radiator troubleshooting pages. Explore underfloor heating as an alternative to radiators. Existing system feeling sluggish? Book a power flush.