3Y Avg Price
£350,000
3 sales
Properties
4
2 freehold · 2 leasehold
Sales / Year
0.6
5-year average
Avg £/sq ft
£389
£4,183/m²
Rank in CF15
103rd
of 204 streets
Last Sale
£420,000
Jan 2026
Price History
Every recorded sale on this street, coloured by property type.
Last 10 Sales
8 total recorded
PENYGARREG HOUSE Berthllwyd
Semi-Detached
£420,000
Jan 2026
3 Berthllwyd
Flat/Maisonette
£180,000
Jan 2025
TRE FALDWYN Berthllwyd
Detached
£450,000
Oct 2024
TRE FALDWYN Berthllwyd
Detached
£320,000
Jan 2013
TRE FALDWYN Berthllwyd
Detached
£300,000
Dec 2005
3 Berthllwyd
Flat/Maisonette
£56,500
Mar 2002
4 Berthllwyd
Flat/Maisonette
£55,250
Feb 2002
4 Berthllwyd
Flat/Maisonette
£48,000
Oct 1997
Street Rankings — CF15
Streets ranked by 3-year average sale price. Showing positions 99–108 of 204.
| # | Street | 3Y Avg |
|---|---|---|
| 99 | St John Avenue | £360,214 |
| 100 | Lon Y Pererinion | £355,500 |
| 101 | Post Office Row | £355,000 |
| 101 | Bryn Rhosyn | £355,000 |
| 103 | Berthllwyd | £350,000 |
| 103 | Berthllwyd | £350,000 |
| 103 | Berthllwyd | £350,000 |
| 106 | Maes Cadwgan | £349,250 |
| 107 | Burges Close | £349,167 |
| 108 | Stradmore Close | £348,333 |
Property Mix
Type
Tenure
EPC Ratings
1 of 4 properties have an EPC record
Avg floor area: 1,195 sq ft (111 m²)
District Context — CF15
CF15 covers the Caerphilly area in South Wales, situated north of Cardiff in the South Wales valleys. It is a long-established residential district with strong community ties and good transport links to the wider region.
Average Property Price - CF15
£371,513
62
National percentile
12 month avg at 31 Jul 2026
Average Net Household Income - CF15
£47,390
82
National percentile
2023 census data
10-Year Annualised Price Growth - CF15
4.4%
86
National percentile
Estimate at 31 Jul 2026
10-Year Annualised Rent Growth - CF
5.0%
92
National percentile
Estimate at 31 Jul 2026