What the figures for Derryaghy cover
Every figure on this site comes from official or open public data. This page shows, for each one, the area it covers, the period, the source and when we last updated it.
Derryaghy is part of the Milltown built-up area.
Official statistics are published for parishes and census areas, not for every village and hamlet, so there are no separate figures for Derryaghy. Property, crime, broadband, food hygiene, businesses and population are for all of Milltown built-up area (1,633 residents). Flood risk, planning, transport and weather are measured from Derryaghy itself, and schools include the nearest to Derryaghy.
Figure by figure
| Figure | Covers | Period | Source | Last updated |
|---|---|---|---|---|
| Population | Usual residents of the Milltown built-up area | Census 2021 | NISRA Census 2021 | 17 Oct 2026 |
| Property | Yearly figures for the electoral wards covering the Milltown built-up area; Northern Ireland publishes no sale-by-sale register | Calendar years to 2024 | Land & Property Services, via OpenDataNI | 8 Oct 2026 |
| Crime | Crimes reported in the 1 neighbourhood areas (census Super Data Zones) covering the Milltown built-up area; the rate is per 1,000 residents of those areas | 12 months to Jun 2026 | police.uk (PSNI) | 6 Aug 2026 |
| Broadband | Postcodes in the Milltown built-up area | Speeds measured 2023, availability 2025 | Ofcom Connected Nations | 30 Sept 2026 |
| Schools | Open schools in the Milltown built-up area, plus the nearest others within 5 km of Derryaghy | Pupils from the October 2025 school census | Department of Education (NI), Education and Training Inspectorate reports | 8 Oct 2026 |
| Food hygiene | Food businesses at postcodes in the Milltown built-up area | Latest inspection for each business | Food Standards Agency | 6 Aug 2026 |
| Businesses | Active companies with their registered office in the Milltown built-up area. A registered office is not always where a company trades. | Current register | Companies House | 6 Aug 2026 |
| Local trades | Active companies whose main activity is a trade, registered in the BT28 postcode district, those in the Milltown built-up area first | Current register | Companies House | 6 Aug 2026 |
| Planning | Applications within 5 km of the centre of Derryaghy | Last 12 months | PlanIt, from council planning registers | 21 Oct 2026 |
| Flood risk | Not available: Northern Ireland’s flood maps (DfI Rivers) are not open data | Not published | Environment Agency (NaFRA2), OS Open Rivers | 30 Sept 2026 |
| Transport | The stations nearest to Derryaghy, with walking routes from its centre | Departures live | National Rail, NaPTAN, OpenStreetMap | Live |
| Weather | The location of Derryaghy | Live forecast | MET Norway | Live |
| National comparisons | England and Wales (broadband: the UK), worked out from the same datasets as the local figures | Same periods as above | Our own calculation | 3 Oct 2026 |
Contains public sector information licensed under the Open Government Licence v3.0. Contains OS data © Crown copyright and database right. Map and route data © OpenStreetMap contributors. Weather from MET Norway (CC BY 4.0). Planning data from planit.org.uk.