Downpatrick · BT30

Gas safety certificate 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 Gas Safe registered engineers nearby.

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Request a gas safety certificate in BT30 (Downpatrick)

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Request a gas safety certificate in BT30 (Downpatrick)

How to check a gas safety engineer is registered: see the Downpatrick page.

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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

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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 authority
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Give 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) wards
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Off the gas grid? Check they cover it

Lots of homes around Downpatrick 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, Downpatrick: 74.8% oil or tank/bottled gas heating
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New to gas safety certificates? Here's what to expect, how to get ready and what it costs, in plain English. Read the quick guide →

Northern Ireland landlord rules: quick version

  • Every year: a gas safety check.
  • Register: with the Landlord Registration Scheme.

More detail on the Downpatrick page. Always double-check on nidirect.

Next door to BT30

← Gas safety (CP12) 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 heated by mains gas only (Downpatrick settlement)
4.3% 5
  1. ONS Postcode Directory
  2. Doogal
  3. Doogal / ONSPD
  4. postcodes.io
  5. NISRA Census 2021

Made with open data. See where it all comes from. Updated 26 October 2026.