West Sussex · RH12, RH13

Boilers & Heating in Horsham

Boiler and heating system work covers replacing or upgrading a home's central heating source — typically a gas boiler — along with associated controls, and is carried out only by Gas Safe registered engineers where gas appliances are involved.

In Horsham, that covers Roffey, Holbrook, Littlehaven, Denne, Trafalgar, Broadbridge Heath, Southwater, Warnham, Colgate. Horsham's town centre retains a historic core of timber-framed and Georgian buildings around the Carfax and Causeway, surrounded by Victorian villas, interwar suburbs and newer developments on the town's edges. The surrounding villages and countryside sit close to the South Downs, which shapes both the property styles and the planning context for extension and renovation work.

Boilers & Heating in Horsham

Coverage

Areas we cover in Horsham for boilers & heating

RoffeyHolbrookLittlehavenDenneTrafalgarBroadbridge HeathSouthwaterWarnhamColgate

Property styles in Horsham

Horsham has a strong stock of period cottages and Victorian villas in and around the town centre, alongside 20th-century family housing in the surrounding estates and larger detached homes in the outlying villages. Extension and loft conversion potential varies significantly between the historic core and the more recent suburbs.

Planning considerations

Horsham District Council is the local planning authority. The town centre, including the Causeway, is a conservation area with a number of listed buildings, meaning alterations to visible elevations, windows and materials are more tightly controlled. Some outlying villages also have their own conservation area designations, which we check before advising on likely planning routes.

How it works

Our boilers & heating process

  1. 01

    Assessment

    Checking the existing system, flue route, gas supply and property heat loss.

  2. 02

    Specification

    Agreeing boiler type, output and controls suited to the property.

  3. 03

    Installation

    Removing the old appliance and installing the new system to current standards.

  4. 04

    Commissioning

    Testing the system and setting controls correctly.

  5. 05

    Certification

    Issuing a Gas Safe certificate and Building Regulations notification (via Gas Safe's Competent Person Scheme) for the completed work.

FAQs

Boilers & Heating in Horsham: FAQs

Do you provide boilers & heating across all of Horsham?

Yes, we cover the RH12 and RH13 postcode areas in full, including Roffey, Holbrook, Littlehaven, Denne, Trafalgar, Broadbridge Heath, Southwater, Warnham, Colgate.

How do I know if my boiler needs replacing rather than repairing?

Frequent breakdowns, rising energy bills, an ageing appliance no longer supported by spare parts, or a failed efficiency check are common signals. We assess the specific appliance and give a straightforward recommendation rather than defaulting to replacement.

Will you register the installation with Building Control?

Yes. Gas Safe registered engineers can self-certify boiler installations under the Competent Person Scheme, which satisfies the Building Regulations notification requirement.

Is Horsham town centre a conservation area?

Yes, the historic core around the Carfax and Causeway is a conservation area with a number of listed buildings, which affects what changes can be made without planning permission or listed building consent.

Get a quote for boilers & heating in Horsham

Tell us about the property and what you have in mind, and we'll arrange a site visit.

Last reviewed 2026-07-19.

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