Property market
The five-year median is £194,500 from 4 recorded sales in CF83 8GA. This is a recorded-sale statistic, not a current valuation.
The latest UK House Price Index average for Caerphilly is £197,272 in June 2026, up 5.9% year on year.
Bedwas and Trethomas · Caerphilly · Wales
Updated September 2026
Compare this postcode| Address | Date | Price |
|---|---|---|
| 11, Lower Glyn Gwyn Street, Trethomas, Caerphilly, CF83 8GA | 6 February 2026 | £147,500 |
| 14, Lower Glyn Gwyn Street, Trethomas, Caerphilly, CF83 8GA | 11 December 2025 | £235,000 |
| 12, Lower Glyn Gwyn Street, Trethomas, Caerphilly, CF83 8GA | 23 June 2022 | £184,000 |
Within 3.1 miles of this postcode
Tyn - y - Wern Primary
Welsh establishment
Graig-Y-Rhacca Primary and Nursery Community School
Welsh establishment
Bedwas High School
Welsh establishment
Within 1 mile of this postcode
Census 2021
21 female, 21 male
1,884 residents
1,062 residents
2,487 residents
2,825 residents
2,203 residents
This postcode contained 0.4% of the sector's usual residents on Census Day. The age profile describes the wider CF83 8 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.
Ofcom's predicted availability across all residential and commercial premises in this postcode in January 2026.
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.
4
within 5 km
THE BRYN, TRETHOMAS, CAERPHILLY, CF83 8GL
ODS code W95008
805 m
HEOL BRO WEN, CAERPHILLY, CF83 3GH
ODS code W95059
2.9 km
TONYFELIN MEDICAL CENTRE, TONYFELIN SURGERY, BEDWAS ROAD, CAERPHILLY, CF83 1XP
ODS code W95046
3.0 km
LLANBRADACH CENTRE FOR HEALTH, 12 PENCERRIG STREET, LLANBRADACH, CAERPHILLY, CF83 3LR
ODS code W95073
3.9 km
Main GP practices only; branch surgeries are excluded. Distances are straight-line. Contact the practice to check registration, services, opening hours and appointments.
Source acquired on 2026-09-03. Contains information from NHS England, licenced under the current version of the Open Government Licence.
Redbrook Avenue
BCT · Trethomas
Redbrook Avenue
BCT · Trethomas
Upper Glyn-gwyn Street
BCT · Trethomas
Upper Glyn-gwyn Street
BCT · Trethomas
Trethomas Clinic
BCT · Trethomas
The five-year median is £194,500 from 4 recorded sales in CF83 8GA. This is a recorded-sale statistic, not a current valuation.
The latest UK House Price Index average for Caerphilly is £197,272 in June 2026, up 5.9% year on year.
21 open schools are in scope, including 0 primary and 0 secondary schools. Tyn - y - Wern Primary is the nearest published school at 474 m.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
748 published events cover 12 months, averaging 62.333 events per published month. The largest recorded category is Violence and sexual offences with 341 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.