Northampton · NN1

Gas safety certificate in NN1 (Northampton)? We'll point you the right way.

Covering Northampton, including Abington & Phippsville, Castle, Far Cotton, Delapre & Briar Hill. Find Gas Safe registered engineers nearby.

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Request a gas safety certificate in NN1 (Northampton)

No gas safety engineer listed for NN1 (Northampton) yet. Tell us what you need and we'll find you a registered gas safety engineer, free.

Request a gas safety certificate in NN1 (Northampton)

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

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NN1 (Northampton) in a nutshell

NN1 covers Northampton, in West Northamptonshire. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.

Local tips for NN1

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West Northamptonshire council area

NN1 is in West Northamptonshire's area. Some councils run their own landlord licensing, so it's worth checking theirs.

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

NN1 stretches across Abington & Phippsville, Castle, Far Cotton, Delapre & Briar Hill and more, so give your full postcode, not just 'NN1', when you ask for quotes.

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

Lots of old NN1 postcodes have been retired. If an old letter shows a different postcode, use your current one.

Where's this from?Doogal/ONSPD: 830 of 1,668 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 Northampton page. Always double-check on GOV.UK.

Next door to NN1

NN4 · BrackmillsNN2 · KingsthorpeNN5 · DustonNN7 · AldertonNN3 · BoothvilleNN6 · Brixworth

← Gas safety (CP12) across Northampton · all areas

Frequently asked questions

Which areas does NN1 cover?

NN1 (Northampton) includes the wards of Abington & Phippsville, Castle, Far Cotton, Delapre & Briar Hill, Kingsley & Semilong, Weston Favell & Abington Vale (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to NN1?

Neighbouring districts include NN4 (Brackmills), NN2 (Kingsthorpe), NN5 (Duston), NN7 (Alderton) (ONS Postcode Directory via Doogal). A pro covering NN1 may well cover these too, so it's worth asking.

How many homes are in NN1?

About 13,348 households and 29,267 residents at the 2011 Census, across 830 active postcodes (Doogal / ONS Postcode Directory).

Which council area is NN1 in?

NN1 sits in West Northamptonshire (postcodes.io). Parliamentary constituency: Northampton North, Northampton South.

📊 The numbers behind this page
Postcode district
NN1 1
Areas covered
Northampton 2
Active postcodes
830 3
Households (2011 Census, via Doogal)
13,348 2
Population (2011 Census, via Doogal)
29,267 2
Electoral wards
Abington & Phippsville, Castle, Far Cotton, Delapre & Briar Hill, Kingsley & Semilong, Weston Favell & Abington Vale 4
Parliamentary constituencies
Northampton North, Northampton South 4
Local authority
West Northamptonshire 4
Households heated by mains gas only (Northampton built-up area)
77.8% 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.