Seaham · SR7
Gas safety certificate in SR7 (Cold Hesledon)? We'll point you the right way.
Covering Cold Hesledon, Dalton-le-Dale, Dawdon, Deneside, Greenhill, Murton, Northlea, Parkside, Seaham, West Lea, including Dalton & Dawdon, Doxford Park, Easington & Shotton. Find Gas Safe registered engineers nearby.
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SR7 (Cold Hesledon) in a nutshell
SR7 covers Cold Hesledon, Dalton-le-Dale, Dawdon, Deneside, Greenhill, Murton, Northlea, Parkside, Seaham, West Lea, in County Durham and Sunderland. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.
Local tips for SR7
Two councils in one district
SR7 is split between County Durham 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
SR7 stretches across Dalton & Dawdon, Doxford Park, Easington & Shotton and more, so give your full postcode, not just 'SR7', when you ask for quotes.
Where's this from?
postcodes.io (ONSPD) wardsMostly mains gas round here
Most homes in Seaham run on mains gas, so a standard boiler-and-hob check is what most people need.
Where's this from?
ONS Census 2021, Seaham: 84.7% 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.
Always double-check on GOV.UK.
Next door to SR7
Frequently asked questions
Which areas does SR7 cover?
SR7 (Cold Hesledon, Dalton-le-Dale, Dawdon, Deneside, Greenhill, Murton, Northlea, Parkside, Seaham, West Lea) includes the wards of Dalton & Dawdon, Doxford Park, Easington & Shotton, Hetton, Murton, Seaham (ONS Postcode Directory via postcodes.io).
Which postcode districts are next to SR7?
Neighbouring districts include SR2 (Ashbrooke), SR8 (Easington), SR1 (Sunderland City Centre), DH5 (Houghton-le-Spring) (ONS Postcode Directory via Doogal). A pro covering SR7 may well cover these too, so it's worth asking.
How many homes are in SR7?
About 13,571 households and 31,185 residents at the 2011 Census, across 872 active postcodes (Doogal / ONS Postcode Directory).
Which council area is SR7 in?
SR7 sits in County Durham, Sunderland (postcodes.io). Parliamentary constituency: Easington, Houghton and Sunderland South.
📊 The numbers behind this page
- Postcode district
- SR7 1
- Areas covered
- Cold Hesledon, Dalton-le-Dale, Dawdon, Deneside, Greenhill, Murton, Northlea, Parkside, Seaham, West Lea 2
- Active postcodes
- 872 3
- Households (2011 Census, via Doogal)
- 13,571 2
- Population (2011 Census, via Doogal)
- 31,185 2
- Electoral wards
- Dalton & Dawdon, Doxford Park, Easington & Shotton, Hetton, Murton, Seaham 4
- Parliamentary constituencies
- Easington, Houghton and Sunderland South 4
- Local authority
- County Durham, Sunderland 4
- Households heated by mains gas only (Seaham built-up area)
- 84.7% 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.