Downpatrick · BT30
Plumbing compliance check in BT30 (Downpatrick)? We'll point you the right way.
Covering Downpatrick, Ardglass, Ballyhornan, Ballykinler, Castleward, Clough, Crossgar, Kilclief, Killard, Killough, Killyleagh, Loughinisland, Seaforde, Strangford, Toye, including Ballydugan, Cathedral, Crossgar and Killyleagh. Find plumbers nearby.
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Request a plumbing compliance check in BT30 (Downpatrick)
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BT30 (Downpatrick) in a nutshell
BT30 covers Downpatrick, Ardglass, Ballyhornan, Ballykinler, Castleward, Clough, Crossgar, Kilclief, Killard, Killough, Killyleagh, Loughinisland, Seaforde, Strangford, Toye, in Ards and North Down 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 BT30
Two councils in one district
BT30 is split between Ards and North Down 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
BT30 stretches across Ballydugan, Cathedral, Crossgar and Killyleagh and more, so give your full postcode, not just 'BT30', when you ask for quotes.
Where's this from?
postcodes.io (ONSPD) wardsOlder terraces, older pipes
Downpatrick has lots of terraced homes. In older ones, ask the plumber to look at shared supply pipes and any old tanks in the loft.
Where's this from?
NISRA Census 2021, Downpatrick: 27.5% terracedNorthern Ireland landlord rules: quick version
- Repair: keep water and sanitation in repair; assess Legionella risk.
- Register: with the Landlord Registration Scheme.
More detail on the Downpatrick page. Always double-check on nidirect.
Next door to BT30
← Plumbing & water compliance across Downpatrick · all areas
Frequently asked questions
Which areas does BT30 cover?
BT30 (Downpatrick, Ardglass, Ballyhornan, Ballykinler, Castleward, Clough, Crossgar, Kilclief, Killard, Killough, Killyleagh, Loughinisland, Seaforde, Strangford, Toye) includes the wards of Ballydugan, Cathedral, Crossgar and Killyleagh, Derryboy, Drumaness, Dundrum, Killinchy, Kilmore, Knocknashinna, Lecale, Quoile, Strangford (ONS Postcode Directory via postcodes.io).
Which postcode districts are next to BT30?
Neighbouring districts include BT23 (Newtownards), BT24 (Ballynahinch), BT33 (Newcastle), BT31 (Castlewellan), BT16 (Dundonald) (ONS Postcode Directory via Doogal). A pro covering BT30 may well cover these too, so it's worth asking.
How many homes are in BT30?
About 12,504 households and 33,725 residents at the 2011 Census, across 1,127 active postcodes (Doogal / ONS Postcode Directory).
Which council area is BT30 in?
BT30 sits in Ards and North Down, Newry, Mourne and Down (postcodes.io). Parliamentary constituency: South Down, Strangford.
📊 The numbers behind this page
- Postcode district
- BT30 1
- Areas covered
- Downpatrick, Ardglass, Ballyhornan, Ballykinler, Castleward, Clough, Crossgar, Kilclief, Killard, Killough, Killyleagh, Loughinisland, Seaforde, Strangford, Toye 2
- Active postcodes
- 1,127 3
- Households (2011 Census, via Doogal)
- 12,504 2
- Population (2011 Census, via Doogal)
- 33,725 2
- Electoral wards
- Ballydugan, Cathedral, Crossgar and Killyleagh, Derryboy, Drumaness, Dundrum, Killinchy, Kilmore … 4
- Parliamentary constituencies
- South Down, Strangford 4
- Local authority
- Ards and North Down, Newry, Mourne and Down 4
- Households in converted/shared houses (Downpatrick settlement)
- 1.5% 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.