Horsham · RH13

Gas safety certificate in RH13 (Barns Green)? We'll point you the right way.

Covering Barns Green, Cowfold, Mannings Heath, Partridge Green, Slinfold, Southwater, West Grinstead, including Billingshurst, Colgate & Rusper, Cowfold, Shermanbury & West Grinstead. Find Gas Safe registered engineers nearby.

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Request a gas safety certificate in RH13 (Barns Green)

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Request a gas safety certificate in RH13 (Barns Green)

How to check a gas safety engineer is registered: see the Horsham page.

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RH13 (Barns Green) in a nutshell

RH13 covers Barns Green, Cowfold, Mannings Heath, Partridge Green, Slinfold, Southwater, West Grinstead, in Horsham and Mid Sussex. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.

Local tips for RH13

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Two councils in one district

RH13 is split between Horsham and Mid Sussex. Some councils run their own landlord licensing, so check which one your home is in.

Where's this from?postcodes.io (ONSPD) local authority
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Give your full postcode

RH13 stretches across Billingshurst, Colgate & Rusper, Cowfold, Shermanbury & West Grinstead and more, so give your full postcode, not just 'RH13', when you ask for quotes.

Where's this from?postcodes.io (ONSPD) wards
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Mostly mains gas round here

Most homes in Horsham run on mains gas, so a standard boiler-and-hob check is what most people need.

Where's this from?ONS Census 2021, Horsham: 79.4% mains gas only
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New to gas safety certificates? Here's what to expect, how to get ready and what it costs, in plain English. Read the quick guide →

England landlord rules: quick version

  • Every year: a check by a Gas Safe registered engineer.
  • Within 28 days: give your tenants a copy (new tenants get it before they move in).
  • Keep it: hang on to records for at least 2 years.

More detail on the Horsham page. Always double-check on GOV.UK.

Next door to RH13

← Gas safety (CP12) across Horsham · all areas

Frequently asked questions

Which areas does RH13 cover?

RH13 (Barns Green, Cowfold, Mannings Heath, Partridge Green, Slinfold, Southwater, West Grinstead) includes the wards of Billingshurst, Colgate & Rusper, Cowfold, Shermanbury & West Grinstead, Cuckfield, Bolney & Ansty, Denne, Forest, Holbrook West, Itchingfield, Slinfold & Warnham, Nuthurst & Lower Beeding, Roffey South, Rudgwick, Southwater North, Southwater South & Shipley, Steyning & Ashurst, West Chiltington, Thakeham & Ashington (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to RH13?

Neighbouring districts include RH12 (Horsham), RH14 (Billingshurst), BN44 (Steyning), RH5 (Capel), BN5 (Henfield) (ONS Postcode Directory via Doogal). A pro covering RH13 may well cover these too, so it's worth asking.

How many homes are in RH13?

About 15,199 households and 38,023 residents at the 2011 Census, across 1,126 active postcodes (Doogal / ONS Postcode Directory).

Which council area is RH13 in?

RH13 sits in Horsham, Mid Sussex (postcodes.io). Parliamentary constituency: Arundel and South Downs, Horsham, Mid Sussex.

📊 The numbers behind this page
Postcode district
RH13 1
Areas covered
Barns Green, Cowfold, Mannings Heath, Partridge Green, Slinfold, Southwater, West Grinstead 2
Active postcodes
1,126 3
Households (2011 Census, via Doogal)
15,199 2
Population (2011 Census, via Doogal)
38,023 2
Electoral wards
Billingshurst, Colgate & Rusper, Cowfold, Shermanbury & West Grinstead, Cuckfield, Bolney & Ansty, Denne, Forest, Holbrook West, Itchingfield, Slinfold & Warnham … 4
Parliamentary constituencies
Arundel and South Downs, Horsham, Mid Sussex 4
Local authority
Horsham, Mid Sussex 4
Households heated by mains gas only (Horsham built-up area)
79.4% 5
  1. ONS Postcode Directory
  2. Doogal
  3. Doogal / ONSPD
  4. postcodes.io
  5. ONS Census 2021

Made with open data. See where it all comes from. Updated 26 October 2026.