Newtownards · BT23
Gas safety certificate in BT23 (Newtownards)? We'll point you the right way.
Covering Newtownards, Ballygowan, Comber, Conlig, Killinchy, Moneyrea, including Ballygrainey, Ballyhanwood, Carryduff East. Find Gas Safe registered engineers nearby.
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Request a gas safety certificate in BT23 (Newtownards)
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Request a gas safety certificate in BT23 (Newtownards)
How to check a gas safety engineer is registered: see the Newtownards page.
BT23 (Newtownards) in a nutshell
BT23 covers Newtownards, Ballygowan, Comber, Conlig, Killinchy, Moneyrea, in Ards and North Down and Lisburn and Castlereagh and Newry, Mourne and Down. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.
Local tips for BT23
Two councils in one district
BT23 is split between Ards and North Down and Lisburn and Castlereagh and Newry, Mourne and Down. 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
BT23 stretches across Ballygowan, Ballygrainey, Ballyhanwood and more, so give your full postcode, not just 'BT23', when you ask for quotes.
Where's this from?
postcodes.io (ONSPD) wardsOff the gas grid? Check they cover it
Lots of homes around Newtownards aren't on mains gas, so if you've got an LPG tank or an oil boiler, check the engineer covers it before you book.
Where's this from?
NISRA Census 2021, Newtownards: 33.9% oil or tank/bottled gas heatingNorthern Ireland landlord rules: quick version
- Every year: a gas safety check.
- Register: with the Landlord Registration Scheme.
More detail on the Newtownards page. Always double-check on nidirect.
Next door to BT23
Frequently asked questions
Which areas does BT23 cover?
BT23 (Newtownards, Ballygowan, Comber, Conlig, Killinchy, Moneyrea) includes the wards of Ballygowan, Ballygrainey, Ballyhanwood, Carryduff East, Clandeboye, Comber North, Comber South, Comber West, Conway Square, Cronstown, Cultra, Derryboy, Glen, Gregstown, Killinchy, Loughries, Moneyreagh, Movilla, Scrabo, West Winds (ONS Postcode Directory via postcodes.io).
Which postcode districts are next to BT23?
Neighbouring districts include BT16 (Dundonald), BT19 (Bangor), BT20 (Bangor), BT5 (Belfast), BT18 (Holywood) (ONS Postcode Directory via Doogal). A pro covering BT23 may well cover these too, so it's worth asking.
How many homes are in BT23?
About 21,403 households and 53,059 residents at the 2011 Census, across 1,499 active postcodes (Doogal / ONS Postcode Directory).
Which council area is BT23 in?
BT23 sits in Ards and North Down, Lisburn and Castlereagh, Newry, Mourne and Down (postcodes.io). Parliamentary constituency: Belfast East, Belfast South and Mid Down, North Down, Strangford.
📊 The numbers behind this page
- Postcode district
- BT23 1
- Areas covered
- Newtownards, Ballygowan, Comber, Conlig, Killinchy, Moneyrea 2
- Active postcodes
- 1,499 3
- Households (2011 Census, via Doogal)
- 21,403 2
- Population (2011 Census, via Doogal)
- 53,059 2
- Electoral wards
- Ballygowan, Ballygrainey, Ballyhanwood, Carryduff East, Clandeboye, Comber North, Comber South, Comber West … 4
- Parliamentary constituencies
- Belfast East, Belfast South and Mid Down, North Down, Strangford 4
- Local authority
- Ards and North Down, Lisburn and Castlereagh, Newry, Mourne and Down 4
- Households heated by mains gas only (Newtownards settlement)
- 55.1% 5
- ONS Postcode Directory
- Doogal
- Doogal / ONSPD
- postcodes.io
- NISRA Census 2021
Made with open data. See where it all comes from. Updated 26 October 2026.