Property market
The five-year median is £615,000 from 2 recorded sales in SY21 9AZ. This is a recorded-sale statistic, not a current valuation.
The latest UK House Price Index average for Powys is £231,004 in June 2026, up 2.9% year on year.
SY21 9AZ
Berriew and Castle Caereinion · Powys · Wales
Updated September 2026
Compare this postcodeLocation overview
Drag to pan. Use + or - to zoom. Open larger map
- Post town
- Welshpool
- Local authority
- Powys
- Constituency
- Montgomeryshire and Glyndwr
- Postcode district
- SY21
- Postcode sector
- SY21 9
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- SY21 9AZ
- Status
- Current
- Introduced
- 1 January 1980
- Terminated
- Not published
- Postcode area
- SY
- Postcode district
- SY21
- Postcode sector
- SY21 9
- Latitude
- 52.632062
- Longitude
- -3.274263
- British National Grid easting
- 313,855
- British National Grid northing
- 304,573
Statistical and administrative geographies
- Country
- Wales · W92000004
- Region
- W99999999
- Local authority district
- Powys · W06000023
- Electoral ward
- Berriew and Castle Caereinion · W05001119
- Parish or community
- W04000262
- Westminster constituency
- Montgomeryshire and Glyndwr · W07000102
- Output area
- W00002365
- Lower layer super output area
- Powys 002A · W01000444
- Middle layer super output area
- Powys 002 · W02000098
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 SY21
Property
4 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| Cefn Crin, Castle Caereinion, Welshpool, SY21 9AZ | 11 July 2025 | £605,000 |
| Cefn Crin, Castle Caereinion, Welshpool, SY21 9AZ | 10 May 2024 | £625,000 |
| Cefn Crin, Castle Caereinion, Welshpool, SY21 9AZ | 2 June 2004 | £215,000 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 1
- Primary
- 0
- Secondary
- 0
- 4.2 km
Ysgol Bro Caereinion
Welsh establishment
Census 2021
Population and age profile
- Postcode residents
- 22
- Postcode households
- 9
- Residents per household
- 2.4
- SY21 9 residents
- 3,217
11 female, 11 male
Age bands in SY21 9
Wider postcode sector- Age 0 to 14
- 13.4%
- Age 15 to 24
- 8.8%
- Age 25 to 44
- 17.5%
- Age 45 to 64
- 29.6%
- Age 65 and over
- 30.7%
410 residents
268 residents
535 residents
906 residents
937 residents
This postcode contained 0.7% of the sector's usual residents on Census Day. The age profile describes the wider SY21 9 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+
- 12.5%
- Ultrafast, 100 Mbit/s+
- 12.5%
- Ultrafast, 300 Mbit/s+
- 12.5%
- Gigabit-capable
- 12.5%
- Unable to receive decent fixed or FWA broadband
- 25%
- Next Generation Access
- 100%
- Decent broadband available from fixed wireless
- 12.5%
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
CAEREINION MEDICAL PRACTICE
LLANFAIR CAEREINION, WELSHPOOL, SY21 0RT
ODS code W96009
3.9 km
Nearby transport
- 1.5 miles
Kara
BCT · Pant-y-ffridd
- 1.5 miles
Hildon
BCT · Pant-y-ffridd
- 1.6 miles
Castle Caereinion Station (W&LLR)
MET · Castle Caereinion
- 1.6 miles
Station
BCT · Castle Caereinion
- 1.7 miles
Maesgarmon
BCT · Castle Caereinion
Evidence in context
Schools
1 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Bro Caereinion is the nearest published school at 2.6 miles.
Counts describe active establishment records. They do not assess admissions, catchments or quality.