3Y Avg Price
£369,500
2 sales
Properties
13
11 freehold · 2 leasehold
Sales / Year
0.4
5-year average
Avg £/sq ft
£374
£4,031/m²
Rank in CF14
294th
of 638 streets
Last Sale
£378,000
Aug 2026
Price History
Every recorded sale on this street, coloured by property type.
Last 10 Sales
19 total recorded
21 Gelli Deg
Terraced
£378,000
Aug 2026
15 Gelli Deg
Semi-Detached
£361,000
Feb 2025
15 Gelli Deg
Semi-Detached
£310,000
Oct 2020
2 Gelli Deg
Semi-Detached
£373,000
Mar 2020
9 Gelli Deg
Semi-Detached
£295,000
Feb 2020
15 Gelli Deg
Semi-Detached
£225,000
Jun 2016
10 Gelli Deg
Semi-Detached
£273,000
Apr 2016
1 Gelli Deg
Semi-Detached
£250,000
Oct 2014
6 Gelli Deg
Semi-Detached
£214,550
Apr 2014
9 Gelli Deg
Semi-Detached
£210,000
Sept 2013
Street Rankings — CF14
Streets ranked by 3-year average sale price. Showing positions 289–299 of 638.
| # | Street | 3Y Avg |
|---|---|---|
| 289 | Mavis Grove | £372,000 |
| 291 | Westbourne Road | £371,250 |
| 292 | Melingriffith Drive | £369,975 |
| 293 | Llwyn Derw Road | £369,950 |
| 294 | Gelli Deg | £369,500 |
| 294 | Gelli Deg | £369,500 |
| 296 | Glas-Y-Pant | £369,333 |
| 297 | St Cenydd Road | £369,000 |
| 298 | Ty Wern Avenue | £368,500 |
| 299 | Highfield Road | £368,333 |
Property Mix
Type
Tenure
EPC Ratings
7 of 13 properties have an EPC record
Avg floor area: 1,033 sq ft (96 m²)
District Context — CF14
CF14 covers Caerphilly and surrounding areas in South Wales, situated north of Cardiff in the South Wales Valleys. It is a long-established residential district with strong community roots and affordable living costs relative to the wider region.
Average Property Price - CF14
£339,377
55
National percentile
12 month avg at 30 Sep 2026
Average Net Household Income - CF14
£41,296
63
National percentile
2023 census data
10-Year Annualised Price Growth - CF14
2.9%
49
National percentile
Estimate at 30 Sep 2026
10-Year Annualised Rent Growth - CF
4.9%
92
National percentile
Estimate at 30 Sep 2026