Horsham · RH12
Gas safety certificate in RH12 (Horsham)? We'll point you the right way.
Covering Horsham, Broadbridge Heath, Rusper, Rudgwick, Warnham, including Alfold, Dunsfold & Hascombe, Capel, Leigh, Newdigate & Charlwood, Colgate & Rusper. Find Gas Safe registered engineers nearby.
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RH12 (Horsham) in a nutshell
RH12 covers Horsham, Broadbridge Heath, Rusper, Rudgwick, Warnham, in Horsham and Mole Valley and Waverley. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.
Local tips for RH12
Two councils in one district
RH12 is split between Horsham and Mole Valley and Waverley. Some councils run their own landlord licensing, so check which one your home is in.
Where's this from?
postcodes.io (ONSPD) local authorityGive your full postcode
RH12 stretches across Alfold, Dunsfold & Hascombe, Broadbridge Heath, Capel, Leigh, Newdigate & Charlwood and more, so give your full postcode, not just 'RH12', when you ask for quotes.
Where's this from?
postcodes.io (ONSPD) wardsMostly 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 onlyEngland 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 RH12
Frequently asked questions
Which areas does RH12 cover?
RH12 (Horsham, Broadbridge Heath, Rusper, Rudgwick, Warnham) includes the wards of Alfold, Dunsfold & Hascombe, Broadbridge Heath, Capel, Leigh, Newdigate & Charlwood, Colgate & Rusper, Cranleigh West, Denne, Ewhurst & Ellens Green, Holbrook East, Holbrook West, Itchingfield, Slinfold & Warnham, Roffey North, Roffey South, Rudgwick, Southwater North, Trafalgar (ONS Postcode Directory via postcodes.io).
Which postcode districts are next to RH12?
Neighbouring districts include RH13 (Barns Green), RH5 (Capel), RH11 (Bewbush), RH4 (Dorking), BN44 (Steyning) (ONS Postcode Directory via Doogal). A pro covering RH12 may well cover these too, so it's worth asking.
How many homes are in RH12?
About 18,438 households and 43,862 residents at the 2011 Census, across 1,389 active postcodes (Doogal / ONS Postcode Directory).
Which council area is RH12 in?
RH12 sits in Horsham, Mole Valley, Waverley (postcodes.io). Parliamentary constituency: Dorking and Horley, Godalming and Ash, Horsham.
📊 The numbers behind this page
- Postcode district
- RH12 1
- Areas covered
- Horsham, Broadbridge Heath, Rusper, Rudgwick, Warnham 2
- Active postcodes
- 1,389 3
- Households (2011 Census, via Doogal)
- 18,438 2
- Population (2011 Census, via Doogal)
- 43,862 2
- Electoral wards
- Alfold, Dunsfold & Hascombe, Broadbridge Heath, Capel, Leigh, Newdigate & Charlwood, Colgate & Rusper, Cranleigh West, Denne, Ewhurst & Ellens Green, Holbrook East … 4
- Parliamentary constituencies
- Dorking and Horley, Godalming and Ash, Horsham 4
- Local authority
- Horsham, Mole Valley, Waverley 4
- Households heated by mains gas only (Horsham built-up area)
- 79.4% 5
- ONS Postcode Directory
- Doogal
- Doogal / ONSPD
- postcodes.io
- ONS Census 2021
Made with open data. See where it all comes from. Updated 26 October 2026.