Reading · RG4

Gas safety certificate in RG4 (Caversham)? We'll point you the right way.

Covering Caversham, including Caversham Heights, Emmer Green, Kidmore End & Whitchurch. Find Gas Safe registered engineers nearby.

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Request a gas safety certificate in RG4 (Caversham)

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Request a gas safety certificate in RG4 (Caversham)

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

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RG4 (Caversham) in a nutshell

RG4 covers Caversham, in Reading and South Oxfordshire and Wokingham. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.

Local tips for RG4

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Two councils in one district

RG4 is split between Reading and South Oxfordshire and Wokingham. 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

RG4 stretches across Caversham, Caversham Heights, Emmer Green and more, so give your full postcode, not just 'RG4', when you ask for quotes.

Where's this from?postcodes.io (ONSPD) wards
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Postcodes change here

Lots of old RG4 postcodes have been retired. If an old letter shows a different postcode, use your current one.

Where's this from?Doogal/ONSPD: 1,000 of 1,741 postcodes active
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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 Reading page. Always double-check on GOV.UK.

Next door to RG4

RG1 · ReadingRG2 · WhitleyRG6 · EarleyRG30 · TilehurstRG5 · WoodleyRG31 · Calcot Row

← Gas safety (CP12) across Reading · all areas

Frequently asked questions

Which areas does RG4 cover?

RG4 (Caversham) includes the wards of Caversham, Caversham Heights, Emmer Green, Kidmore End & Whitchurch, Sonning Common, Thames, Whitley, Woodcote & Rotherfield (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to RG4?

Neighbouring districts include RG1 (Reading), RG2 (Whitley), RG6 (Earley), RG30 (Tilehurst), RG5 (Woodley) (ONS Postcode Directory via Doogal). A pro covering RG4 may well cover these too, so it's worth asking.

How many homes are in RG4?

About 15,838 households and 39,164 residents at the 2011 Census, across 1,000 active postcodes (Doogal / ONS Postcode Directory).

Which council area is RG4 in?

RG4 sits in Reading, South Oxfordshire, Wokingham (postcodes.io). Parliamentary constituency: Earley and Woodley, Henley and Thame, Reading Central.

📊 The numbers behind this page
Postcode district
RG4 1
Areas covered
Caversham 2
Active postcodes
1,000 3
Households (2011 Census, via Doogal)
15,838 2
Population (2011 Census, via Doogal)
39,164 2
Electoral wards
Caversham, Caversham Heights, Emmer Green, Kidmore End & Whitchurch, Sonning Common, Thames, Whitley, Woodcote & Rotherfield 4
Parliamentary constituencies
Earley and Woodley, Henley and Thame, Reading Central 4
Local authority
Reading, South Oxfordshire, Wokingham 4
Households heated by mains gas only (Reading built-up area)
74.0% 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.