Property market
The five-year median is £455,000 from 1 recorded sale in LL17 0HB. This is a recorded-sale statistic, not a current valuation.
The latest UK House Price Index average for Denbighshire is £198,995 in June 2026, up 3.6% year on year.
LL17 0HB
Trefnant · Denbighshire · Wales
Updated September 2026
Compare this postcodeLocation overview
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- Post town
- St Asaph
- Ward
- Trefnant
- Local authority
- Denbighshire
- Constituency
- Clwyd North
- Postcode district
- LL17
- Postcode sector
- LL17 0
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- LL17 0HB
- Status
- Current
- Introduced
- 1 January 1980
- Terminated
- Not published
- Postcode area
- LL
- Postcode district
- LL17
- Postcode sector
- LL17 0
- Latitude
- 53.230291
- Longitude
- -3.474870
- British National Grid easting
- 301,646
- British National Grid northing
- 371,375
Statistical and administrative geographies
- Country
- Wales · W92000004
- Region
- W99999999
- Local authority district
- Denbighshire · W06000004
- Electoral ward
- Trefnant · W05001359
- Parish or community
- W04000145
- Westminster constituency
- Clwyd North · W07000095
- Output area
- W00001325
- Lower layer super output area
- Denbighshire 010C · W01000247
- Middle layer super output area
- Denbighshire 010 · W02000051
Postcode source versions
- Ordnance Survey: Code-Point Open Version 2026-08 · Current postcode units in Great Britain · OGL-3.0
- Office for National Statistics: ONS Postcode Directory Version 2026-08 · United Kingdom; Northern Ireland excluded pending rights review; Crown Dependencies outside product scope · OGL-3.0 with third-party rights
- Ordnance Survey: Boundary-Line Version 2026-05 · Local-authority boundaries in Great Britain · OS OpenData Licence
Explore LL17
Property
7 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| Tyn Y Pwll, Cefn, St Asaph, LL17 0HB | 11 April 2025 | £455,000 |
| Mairwen, 4, Cefn, St Asaph, LL17 0HB | 20 December 2019 | £162,500 |
| Mairwen, 7, Cefn, St Asaph, LL17 0HB | 8 December 2016 | £132,500 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 7
- Primary
- 0
- Secondary
- 0
- 2.6 km
Ysgol Cefn Meiriadog
Welsh establishment
- 3.5 km
Ysgol Gymraeg Henllan
Welsh establishment
- 3.5 km
Ysgol Trefnant
Welsh establishment
Recorded crime
Within 1 mile of this postcode
- Published events
- 15
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 8
- Anti social behaviour 4
- Other theft 1
- Possession of weapons 1
- Criminal damage and arson 1
Census 2021
Population and age profile
- Postcode residents
- 21
- Postcode households
- 10
- Residents per household
- 2.1
- LL17 0 residents
- 5,411
10 female, 11 male
Age bands in LL17 0
Wider postcode sector- Age 0 to 14
- 13.2%
- Age 15 to 24
- 9.7%
- Age 25 to 44
- 19.8%
- Age 45 to 64
- 29.5%
- Age 65 and over
- 27.8%
769 residents
563 residents
1,153 residents
1,722 residents
1,621 residents
This postcode contained 0.4% of the sector's usual residents on Census Day. The age profile describes the wider LL17 0 sector, not people in this individual postcode.
Small counts are adjusted for privacy, so totals can differ slightly between Census tables.
Census Day: 21 March 2021. Sources: ONS/Nomis P001-P004 and ONS CT21_0228. Age table version 2024-04-08.
Fixed broadband coverage
Ofcom's predicted availability across all residential and commercial premises in this postcode in January 2026.
- Superfast, 30 Mbit/s+
- 100%
- Ultrafast, 100 Mbit/s+
- 100%
- Ultrafast, 300 Mbit/s+
- 100%
- Gigabit-capable
- 100%
- Unable to receive decent fixed or FWA broadband
- 0%
- Next Generation Access
- 100%
- Decent broadband available from fixed wireless
- 100%
Predicted coverage, not measured speeds. Check availability for your address with a provider. Postcode-level full-fibre figures are not published in this release.
Source: Ofcom Connected Nations Spring 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.
GP practices
1
within 5 km straight-line
PEN Y BONT SURGERY
THE ROE, ST. ASAPH, LL17 0LU
ODS code W91023
3.5 km
Nearby transport
- 0.0 miles
Cefnmeiriadog
BCT · Tyn-y-ffordd
- 0.1 miles
St Mary's Church
BCT · Tyn-y-ffordd
- 0.5 miles
Glascoed Fawr
BCT · Wigfair
- 0.7 miles
Wigfair Farm
BCT · Wigfair
- 1.6 miles
Business Park
BCT · Coed Esgob
Evidence in context
Schools
7 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Cefn Meiriadog is the nearest published school at 1.6 miles.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
Recorded crime
15 published events cover 12 months, averaging 1.25 events per published month. The largest recorded category is Violence and sexual offences with 8 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.