# St Asaph & Trefnant

North west Denbighshire. 5,398 people (mid-2024 estimate) in 32 square kilometres.

St Asaph & Trefnant had 5,301 usual residents at the census (ONS Census 2021).

Middle area. Code W02000051. In: [Wales](https://openindex.co.uk/wales) › [Denbighshire](https://openindex.co.uk/denbighshire)

## Key figures

- **Median sale price: £255,000** (2025). The median price paid for a home in St Asaph & Trefnant was £255,000 in 2025. Joint 2,794th cheapest of 7,259. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026. https://openindex.co.uk/denbighshire/st-asaph-and-trefnant#f-house-sales-median-price
- **Population: 5,301** (2021). St Asaph & Trefnant had 5,301 usual residents at the census (ONS Census 2021). Joint 2,069th least populated of 9,448. Source: Census 2021, England and Wales and Scotland's Census 2022 and Census 2021, Northern Ireland, 2021. Published 21 July 2026. https://openindex.co.uk/denbighshire/st-asaph-and-trefnant#f-population
- **People in radon Affected Area squares: 94%** (2022). About 94% of people in St Asaph & Trefnant live in a 1 km square that the radon atlas marks as a radon Affected Area. UK 44%. Source: Worked out by Open Index from the UKHSA and BGS radon atlas and census output areas. Published 1 December 2022. https://openindex.co.uk/denbighshire/st-asaph-and-trefnant#f-radon-affected-share
- **Gigabit broadband coverage: 79.8%** (January 2026). In St Asaph & Trefnant, 79.8% of homes and businesses could get gigabit-capable broadband in January 2026 (Ofcom). UK 87.8%. Source: Connected Nations (Ofcom), January 2026. Published 13 May 2026. https://openindex.co.uk/denbighshire/st-asaph-and-trefnant#f-gigabit-coverage

## On the map

- [Radon Affected Area by middle area](https://openindex.co.uk/map/radon-affected-areas?place=W02000051) (Worked out by Open Index · 2022): About 94% of people in St Asaph & Trefnant live in a 1 km square that the radon atlas marks as a radon Affected Area.
- [Sales per year by middle area](https://openindex.co.uk/map/house-sales-per-year?place=W02000051) (Worked out by Open Index · 2025): 71 homes were sold in St Asaph & Trefnant in 2025.
- [Crime and ASB by middle area](https://openindex.co.uk/map/recorded-crime?place=W02000051) (Police recorded crime and outcomes (data.police.uk) · August 2026): Crime and anti-social behaviour for St Asaph & Trefnant.
- [Population by middle area](https://openindex.co.uk/map/population?place=W02000051) (Census 2021, England and Wales): St Asaph & Trefnant had 5,301 usual residents at the census.

## Recorded crime in St Asaph & Trefnant

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in St Asaph & Trefnant at a rate of 62.4 per 1,000 people.
That compares with 110.7 per 1,000 people across Denbighshire.
Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.

| Kind of crime, 12 months to August 2026 | Count |
| --- | --- |
| Violence and sexual offences | 156 |
| Anti-social behaviour | 78 |
| Other crime | 46 |
| Criminal damage and arson | 22 |
| Burglary | 12 |
| Drug offences | 9 |
| Shoplifting | 9 |
| Vehicle crime | 5 |
| Robbery | 0 |
| Theft from the person | 0 |

Source: police.uk, 12 months to August 2026.

## How St Asaph & Trefnant compares

Each middle area against every other middle area the measure covers.

| Measure | St Asaph & Trefnant | Rank | Compared with |
| --- | --- | --- | --- |
| Median sale price | £255,000 | 2nd most expensive | 15 middle areas, Denbighshire · 2025 |
| Population | 5,301 | 4th least populated | 15 middle areas, Denbighshire · 2021 |
| People in radon Affected Area squares | 94% | 7th most people in radon Affected Areas | 15 middle areas, Denbighshire · 2022 |
| Gigabit broadband coverage | 79.8% | 6th lowest | 15 middle areas, Denbighshire · Jan 2026 |

## Is St Asaph & Trefnant safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in St Asaph & Trefnant at a rate of 62.4 per 1,000 people.
That compares with 110.7 per 1,000 people across Denbighshire.
Across Wales as a whole, the recorded crime rate was 96.7 per 1,000 people.
In August 2026 alone, 36 cases of crime and anti-social behaviour were recorded in St Asaph & Trefnant.
In the 12 months to August 2026, the most common types were violence and sexual offences (156), anti-social behaviour (78) and other crime (46).
Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.
Rates are per resident, so places that many people work in or visit, such as Westminster, the City of London and other city centres, have far higher rates than their residents alone would suggest.

## Figures for the whole of Denbighshire

These figures are published for the whole of Denbighshire, not for each middle area, so they describe all of Denbighshire and not St Asaph & Trefnant alone. [See Denbighshire](https://openindex.co.uk/denbighshire)

- **Average house price: £207,130** (August 2026). Denbighshire’s average house price was £207,130 in August 2026 (HM Land Registry). Up 5.2% in a year. Source: UK House Price Index, August 2026. Published 21 October 2026.
- **Median full-time pay: £32,691** (2025). Full-time workers living in Denbighshire earned a median of £32,691 in 2025 (ONS earnings survey). 15th lowest paid of 348. Source: Annual Survey of Hours and Earnings, 2025. Published 23 October 2025.
- **House price to pay: 6.3×** (2025). A home in Denbighshire costs 6.3 times local full-time pay. Joint 114th most affordable of 348. Source: Worked out by Open Index from the UK House Price Index and the ONS earnings survey. Published 21 October 2026.
- **Population estimate: 98,247** (2025). Denbighshire’s population was an estimated 98,247 in mid-2025 (ONS population estimates). Up 0.4% in a year. Source: Mid-year population estimates, 2025. Published 1 October 2026.

## St Asaph & Trefnant in brief

The median price paid for a home in St Asaph & Trefnant was £255,000 in 2025.
St Asaph & Trefnant had 5,301 usual residents at the census.
About 94% of people in St Asaph & Trefnant live in a 1 km square that the radon atlas marks as a radon Affected Area.
In St Asaph & Trefnant, 79.8% of homes and businesses could get gigabit-capable broadband in January 2026.

## About

- Type: Middle area
- Code: W02000051
- Ward: [St Asaph East †](https://openindex.co.uk/denbighshire/ward/st-asaph-east)
- Constituency: [Clwyd North †](https://openindex.co.uk/constituency/clwyd-north)
- Council: [Denbighshire](https://openindex.co.uk/denbighshire)
- Nation: [Wales](https://openindex.co.uk/wales)
- Area: 31.98 km²
- People, mid-2024: 5,398*
- Neighbourhoods: 3
- Output areas: 18

* People: worked out by Open Index by adding up the neighbourhood estimates inside this area.
† Best fit: the ward and constituency this middle area mostly lies in. Its edges do not follow theirs.

## Next door

[Dyserth & Tremeirchion](https://openindex.co.uk/denbighshire/dyserth-and-tremeirchion), [Betws-yn-Rhos, Llangernyw & Llansannan](https://openindex.co.uk/conwy/betws-yn-rhos-llangernyw-and-llansannan), [Rhuddlan & Bodelwyddan](https://openindex.co.uk/denbighshire/rhuddlan-and-bodelwyddan), [Denbigh East & Pentre Llanrhaeadr](https://openindex.co.uk/denbighshire/denbigh-east-and-pentre-llanrhaeadr), [Denbigh West](https://openindex.co.uk/denbighshire/denbigh-west), [Llandyrnog & Llanarmon-yn-Iâl](https://openindex.co.uk/denbighshire/llandyrnog-and-llanarmon-yn-ial)

## Latest updates for St Asaph & Trefnant

- August 2026 house prices published: HM Land Registry and partners · Oct 2026.
- September 2026 rent published: ONS private rents · Oct 2026.
- Dental practices updated: NHS England · Oct 2026.
- Schools updated: Ofsted · Oct 2026.

The same figures as JSON: https://openindex.co.uk/v1/places/W02000051

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/denbighshire/st-asaph-and-trefnant, or to one figure with its anchor, https://openindex.co.uk/denbighshire/st-asaph-and-trefnant#f-house-sales-median-price.

Open Index's own text and the figures it works out are licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source data keeps its publishers' licences, named with each figure. Give each figure's period and source with it.

Snapshot 2026.10.9. The HTML page: https://openindex.co.uk/denbighshire/st-asaph-and-trefnant