Yeovil · BA21

Gas safety certificate in BA21 (Yeovil)? We'll point you the right way.

Covering Yeovil, including Brympton, Castle Cary, Sherborne Rural. Find Gas Safe registered engineers nearby.

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Request a gas safety certificate in BA21 (Yeovil)

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Request a gas safety certificate in BA21 (Yeovil)

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

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BA21 (Yeovil) in a nutshell

BA21 covers Yeovil, in Dorset and Somerset. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.

Local tips for BA21

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Two councils in one district

BA21 is split between Dorset and Somerset. 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

BA21 stretches across Brympton, Castle Cary, Sherborne Rural and more, so give your full postcode, not just 'BA21', 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 Yeovil run on mains gas, so a standard boiler-and-hob check is what most people need.

Where's this from?ONS Census 2021, Yeovil: 77.3% 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 Yeovil page. Always double-check on GOV.UK.

Next door to BA21

BA20 · YeovilBA22 · YeovilTA15 · MontacuteTA14 · Stoke-sub-hamdonDT9 · SherborneTA12 · Martock

← Gas safety (CP12) across Yeovil · all areas

Frequently asked questions

Which areas does BA21 cover?

BA21 (Yeovil) includes the wards of Brympton, Castle Cary, Sherborne Rural, Yeovil Central, Yeovil East, Yeovil South, Yeovil West (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to BA21?

Neighbouring districts include BA20 (Yeovil), BA22 (Yeovil), TA15 (Montacute), TA14 (Stoke-sub-hamdon), DT9 (Sherborne) (ONS Postcode Directory via Doogal). A pro covering BA21 may well cover these too, so it's worth asking.

How many homes are in BA21?

About 14,210 households and 33,314 residents at the 2011 Census, across 773 active postcodes (Doogal / ONS Postcode Directory).

Which council area is BA21 in?

BA21 sits in Dorset, Somerset (postcodes.io). Parliamentary constituency: Glastonbury and Somerton, West Dorset, Yeovil.

📊 The numbers behind this page
Postcode district
BA21 1
Areas covered
Yeovil 2
Active postcodes
773 3
Households (2011 Census, via Doogal)
14,210 2
Population (2011 Census, via Doogal)
33,314 2
Electoral wards
Brympton, Castle Cary, Sherborne Rural, Yeovil Central, Yeovil East, Yeovil South, Yeovil West 4
Parliamentary constituencies
Glastonbury and Somerton, West Dorset, Yeovil 4
Local authority
Dorset, Somerset 4
Households heated by mains gas only (Yeovil built-up area)
77.3% 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.