Chester-le-Street · DH3
Gas safety certificate in DH3 (Chester-le-Street)? We'll point you the right way.
Covering Chester-le-Street, Great Lumley, Birtley, including Birtley North & Lamesley, Birtley South, Chester-le-Street North. Find Gas Safe registered engineers nearby.
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DH3 (Chester-le-Street) in a nutshell
DH3 covers Chester-le-Street, Great Lumley, Birtley, in County Durham and Gateshead and Sunderland. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.
Local tips for DH3
Two councils in one district
DH3 is split between County Durham and Gateshead and Sunderland. 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
DH3 stretches across Birtley North & Lamesley, Birtley South, Chester-le-Street North and more, so give your full postcode, not just 'DH3', when you ask for quotes.
Where's this from?
postcodes.io (ONSPD) wardsMostly mains gas round here
Most homes in Chester-le-Street run on mains gas, so a standard boiler-and-hob check is what most people need.
Where's this from?
ONS Census 2021, Chester-le-Street: 85.9% 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.
Always double-check on GOV.UK.
Next door to DH3
Frequently asked questions
Which areas does DH3 cover?
DH3 (Chester-le-Street, Great Lumley, Birtley) includes the wards of Birtley North & Lamesley, Birtley South, Chester-le-Street North, Framwellgate & Newton Hall, Lumley & West Rainton, North Lodge, Sacriston & Witton Gilbert, Washington West (ONS Postcode Directory via postcodes.io).
Which postcode districts are next to DH3?
Neighbouring districts include DH2 (Chester-le-Street), NE38 (Washington Town Centre), NE9 (Low Fell) (ONS Postcode Directory via Doogal). A pro covering DH3 may well cover these too, so it's worth asking.
How many homes are in DH3?
About 11,465 households and 25,799 residents at the 2011 Census, across 770 active postcodes (Doogal / ONS Postcode Directory).
Which council area is DH3 in?
DH3 sits in County Durham, Gateshead, Sunderland (postcodes.io). Parliamentary constituency: City of Durham, North Durham, Washington and Gateshead South.
📊 The numbers behind this page
- Postcode district
- DH3 1
- Areas covered
- Chester-le-Street, Great Lumley, Birtley 2
- Active postcodes
- 770 3
- Households (2011 Census, via Doogal)
- 11,465 2
- Population (2011 Census, via Doogal)
- 25,799 2
- Electoral wards
- Birtley North & Lamesley, Birtley South, Chester-le-Street North, Framwellgate & Newton Hall, Lumley & West Rainton, North Lodge, Sacriston & Witton Gilbert, Washington West 4
- Parliamentary constituencies
- City of Durham, North Durham, Washington and Gateshead South 4
- Local authority
- County Durham, Gateshead, Sunderland 4
- Households heated by mains gas only (Chester-le-Street built-up area)
- 85.9% 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.