Property market
The five-year median is £685,000 from 1 recorded sale in SY18 6PP. 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.
SY18 6PP
Llanidloes · Powys · Wales
Updated September 2026
Compare this postcodeLocation overview
Drag to pan. Use + or - to zoom. Open larger map
- Post town
- Llanidloes
- Ward
- Llanidloes
- Local authority
- Powys
- Constituency
- Montgomeryshire and Glyndwr
- Postcode district
- SY18
- Postcode sector
- SY18 6
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- SY18 6PP
- Status
- Current
- Introduced
- 1 January 1980
- Terminated
- Not published
- Postcode area
- SY
- Postcode district
- SY18
- Postcode sector
- SY18 6
- Latitude
- 52.435183
- Longitude
- -3.640151
- British National Grid easting
- 288,596
- British National Grid northing
- 283,176
Statistical and administrative geographies
- Country
- Wales · W92000004
- Region
- W99999999
- Local authority district
- Powys · W06000023
- Electoral ward
- Llanidloes · W05001153
- Parish or community
- W04000311
- Westminster constituency
- Montgomeryshire and Glyndwr · W07000102
- Output area
- W00002284
- Lower layer super output area
- Powys 010A · W01000429
- Middle layer super output area
- Powys 010 · W02000106
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 SY18
Property
7 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| Hendy Castell, Old Hall, Llanidloes, SY18 6PP | 7 July 2022 | £685,000 |
| Hendy Castell, Old Hall, Llanidloes, SY18 6PP | 12 March 2020 | £360,000 |
| Castell Neuadd, Old Hall, Llanidloes, SY18 6PP | 20 August 2015 | £313,000 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 0
- Primary
- 0
- Secondary
- 0
Census 2021
Population and age profile
- Postcode residents
- 12
- Postcode households
- 7
- Residents per household
- 1.7
- SY18 6 residents
- 4,531
7 female, 5 male
Age bands in SY18 6
Wider postcode sector- Age 0 to 14
- 15.4%
- Age 15 to 24
- 7.5%
- Age 25 to 44
- 19.4%
- Age 45 to 64
- 29.6%
- Age 65 and over
- 28.1%
695 residents
341 residents
878 residents
1,338 residents
1,273 residents
This postcode contained 0.3% of the sector's usual residents on Census Day. The age profile describes the wider SY18 6 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+
- 0%
- Ultrafast, 100 Mbit/s+
- 0%
- Ultrafast, 300 Mbit/s+
- 0%
- Gigabit-capable
- 0%
- Unable to receive decent fixed or FWA broadband
- 0%
- Next Generation Access
- 100%
- Decent broadband available from fixed wireless
- 0%
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.
Nearby transport
- 1.5 miles
Plynlimon Restaurant
BCT · Llanifyny
- 1.5 miles
Plynlimon Restaurant
BCT · Llanifyny
- 2.5 miles
Post Office
BCT · Llangurig
- 2.5 miles
Black Lion Hotel
BCT · Llangurig
- 2.5 miles
Black Lion Hotel
BCT · Llangurig
Evidence in context
Schools
0 open schools are in scope, including 0 primary and 0 secondary schools.
Counts describe active establishment records. They do not assess admissions, catchments or quality.