Norwich · NR1
Gas safety certificate in NR1 (Thorpe Hamlet)? We'll point you the right way.
Covering Thorpe Hamlet, Norwich city centre, including Catton Grove, Crome, Lakenham. Find Gas Safe registered engineers nearby.
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How to check a gas safety engineer is registered: see the Norwich page.
NR1 (Thorpe Hamlet) in a nutshell
NR1 covers Thorpe Hamlet, Norwich city centre, in Broadland and Norwich and South Norfolk. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.
Local tips for NR1
Two councils in one district
NR1 is split between Broadland and Norwich and South Norfolk. 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
NR1 stretches across Catton Grove, Crome, Lakenham and more, so give your full postcode, not just 'NR1', when you ask for quotes.
Where's this from?
postcodes.io (ONSPD) wardsMostly mains gas round here
Most homes in Norwich run on mains gas, so a standard boiler-and-hob check is what most people need.
Where's this from?
ONS Census 2021, Norwich: 75.7% 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 Norwich page. Always double-check on GOV.UK.
Next door to NR1
Frequently asked questions
Which areas does NR1 cover?
NR1 (Thorpe Hamlet, Norwich city centre) includes the wards of Catton Grove, Crome, Lakenham, Mancroft, Poringland, Framinghams & Trowse, Sewell, Sprowston East, Thorpe Hamlet, Thorpe St Andrew South East, Town Close (ONS Postcode Directory via postcodes.io).
Which postcode districts are next to NR1?
Neighbouring districts include NR99 (Non-geographic), NR2 (Eaton), NR3 (Norwich), NR7 (Norwich), NR6 (Norwich) (ONS Postcode Directory via Doogal). A pro covering NR1 may well cover these too, so it's worth asking.
How many homes are in NR1?
About 12,459 households and 24,541 residents at the 2011 Census, across 882 active postcodes (Doogal / ONS Postcode Directory).
Which council area is NR1 in?
NR1 sits in Broadland, Norwich, South Norfolk (postcodes.io). Parliamentary constituency: Norwich North, Norwich South, South Norfolk.
📊 The numbers behind this page
- Postcode district
- NR1 Source: ONS Postcode Directory
- Areas covered
- Thorpe Hamlet, Norwich city centre Source: Doogal
- Active postcodes
- 882 Source: Doogal / ONSPD
- Households (2011 Census, via Doogal)
- 12,459 Source: Doogal
- Population (2011 Census, via Doogal)
- 24,541 Source: Doogal
- Electoral wards
- Catton Grove, Crome, Lakenham, Mancroft, Poringland, Framinghams & Trowse, Sewell, Sprowston East, Thorpe Hamlet … Source: postcodes.io
- Parliamentary constituencies
- Norwich North, Norwich South, South Norfolk Source: postcodes.io
- Local authority
- Broadland, Norwich, South Norfolk Source: postcodes.io
- Households heated by mains gas only (Norwich LA)
- 75.7% Source: ONS Census 2021
Made with open data. See where it all comes from. Updated 23 October 2026.