Belfast · BT16

Gas safety certificate in BT16 (Dundonald)? We'll point you the right way.

Covering Dundonald, including Ballyhanwood, Carrowreagh, Comber West. Find Gas Safe registered engineers nearby.

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Request a gas safety certificate in BT16 (Dundonald)

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Request a gas safety certificate in BT16 (Dundonald)

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BT16 (Dundonald) in a nutshell

BT16 covers Dundonald, in Ards and North Down and Belfast and Lisburn and Castlereagh. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.

Local tips for BT16

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Two councils in one district

BT16 is split between Ards and North Down and Belfast and Lisburn and Castlereagh. 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

BT16 stretches across Ballyhanwood, Carrowreagh, Comber West and more, so give your full postcode, not just 'BT16', when you ask for quotes.

Where's this from?postcodes.io (ONSPD) wards
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Postcodes change here

Lots of old BT16 postcodes have been retired. If an old letter shows a different postcode, use your current one.

Where's this from?Doogal/ONSPD: 405 of 786 postcodes active
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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 Belfast page. Always double-check on nidirect.

Next door to BT16

BT18 · HolywoodBT5 · BelfastBT4 · BelfastBT23 · NewtownardsBT6 · BelfastBT7 · Belfast

← Gas safety (CP12) across Belfast · all areas

Frequently asked questions

Which areas does BT16 cover?

BT16 (Dundonald) includes the wards of Ballyhanwood, Carrowreagh, Comber West, Cultra, Dundonald, Enler, Gilnahirk, Graham's Bridge, Scrabo, Stormont (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to BT16?

Neighbouring districts include BT18 (Holywood), BT5 (Belfast), BT4 (Belfast), BT23 (Newtownards), BT6 (Belfast) (ONS Postcode Directory via Doogal). A pro covering BT16 may well cover these too, so it's worth asking.

How many homes are in BT16?

About 6,547 households and 15,513 residents at the 2011 Census, across 405 active postcodes (Doogal / ONS Postcode Directory).

Which council area is BT16 in?

BT16 sits in Ards and North Down, Belfast, Lisburn and Castlereagh (postcodes.io). Parliamentary constituency: Belfast East, North Down, Strangford.

📊 The numbers behind this page
Postcode district
BT16 1
Areas covered
Dundonald 2
Active postcodes
405 3
Households (2011 Census, via Doogal)
6,547 2
Population (2011 Census, via Doogal)
15,513 2
Electoral wards
Ballyhanwood, Carrowreagh, Comber West, Cultra, Dundonald, Enler, Gilnahirk, Graham's Bridge … 4
Parliamentary constituencies
Belfast East, North Down, Strangford 4
Local authority
Ards and North Down, Belfast, Lisburn and Castlereagh 4
Households heated by mains gas only (Belfast settlement)
71.7% 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.