Dorchester · DT1
Gas safety certificate in DT1 (Dorchester)? We'll point you the right way.
Covering Dorchester, including Charminster St Mary's, Dorchester East, Dorchester Poundbury. Find Gas Safe registered engineers nearby.
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Request a gas safety certificate in DT1 (Dorchester)
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Request a gas safety certificate in DT1 (Dorchester)
How to check a gas safety engineer is registered: see the Dorchester page.
DT1 (Dorchester) in a nutshell
DT1 covers Dorchester, in Dorset. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.
Local tips for DT1
Dorset council area
DT1 is in Dorset's area. Some councils run their own landlord licensing, so it's worth checking theirs.
Where's this from?
postcodes.io (ONSPD) local authorityGive your full postcode
DT1 stretches across Charminster St Mary's, Dorchester East, Dorchester Poundbury and more, so give your full postcode, not just 'DT1', when you ask for quotes.
Where's this from?
postcodes.io (ONSPD) wardsMostly mains gas round here
Most homes in Dorchester run on mains gas, so a standard boiler-and-hob check is what most people need.
Where's this from?
ONS Census 2021, Dorchester: 77.2% 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 Dorchester page. Always double-check on GOV.UK.
Next door to DT1
Frequently asked questions
Which areas does DT1 cover?
DT1 (Dorchester) includes the wards of Charminster St Mary's, Dorchester East, Dorchester Poundbury, Dorchester West (ONS Postcode Directory via postcodes.io).
Which postcode districts are next to DT1?
Neighbouring districts include DT2 (Dorchester), DT3 (Weymouth), DT4 (Weymouth), DT5 (Portland), DT9 (Sherborne) (ONS Postcode Directory via Doogal). A pro covering DT1 may well cover these too, so it's worth asking.
How many homes are in DT1?
About 8,451 households and 19,063 residents at the 2011 Census, across 793 active postcodes (Doogal / ONS Postcode Directory).
Which council area is DT1 in?
DT1 sits in Dorset (postcodes.io). Parliamentary constituency: West Dorset.
📊 The numbers behind this page
- Postcode district
- DT1 1
- Areas covered
- Dorchester 2
- Active postcodes
- 793 3
- Households (2011 Census, via Doogal)
- 8,451 2
- Population (2011 Census, via Doogal)
- 19,063 2
- Electoral wards
- Charminster St Mary's, Dorchester East, Dorchester Poundbury, Dorchester West 4
- Parliamentary constituencies
- West Dorset 4
- Local authority
- Dorset 4
- Households heated by mains gas only (Dorchester built-up area)
- 77.2% 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.