House Prices in NP12
Blackwood, Islwyn, Gwent
£182,138
Average Price
£150,000
Median Price
5,402
Properties Sold
↑ 1.0%
2025 vs 2024
The average property price in NP12 is £182,138, based on 5,402 sales since 2015. The median price is £150,000, suggesting a fairly even distribution of prices in the area. The most common property type sold is semi-detached properties, making up 39% of all transactions.
Price Trends
2026 data is partial 15
17
19
21
23
25
| Year | Average | Median | Sales | Change |
|---|---|---|---|---|
| 2026 (partial) | £343,750 | £252,500 | 4 | ↑ 56.8% |
| 2025 | £219,270 | £195,000 | 394 | ↑ 1.0% |
| 2024 | £217,057 | £194,998 | 504 | ↑ 10.8% |
| 2023 | £195,855 | £170,000 | 369 | ↓ 19.5% |
| 2022 | £243,337 | £182,000 | 555 | ↑ 31.5% |
| 2021 | £185,081 | £160,000 | 632 | ↑ 3.8% |
| 2020 | £178,382 | £158,000 | 467 | ↑ 14.8% |
| 2019 | £155,361 | £138,000 | 622 | ↑ 7.0% |
| 2018 | £145,259 | £125,000 | 480 | ↓ 16.6% |
| 2017 | £174,217 | £120,000 | 482 | ↑ 12.0% |
| 2016 | £155,574 | £117,000 | 451 | ↑ 17.2% |
| 2015 | £132,698 | £117,000 | 442 | — |
Property Types Sold
Semi-Detached 5,604 (39%)
Terraced 4,539 (32%)
Detached 3,825 (27%)
Other 276 (2%)
Flat 128 (1%)
Price Range
Lowest
£1,100
Highest
£8,561,929
Lower Quartile
£112,500
Upper Quartile
£215,000
Recent Sales
THE COACH HOUSE, PENGAM STREET, GLAN Y NANT
Detached Freehold 2026-01-16 NP12 3XH
£235,000
6, RIVER TERRACE, PENGAM
Semi-Detached Freehold 2026-01-09 NP12 3XB
£220,000
24, DAVIES STREET, CEFN FFOREST
Detached Freehold 2026-01-09 NP12 3NB
£270,000
TWYN SIMON FARM, ARGOED
Detached Freehold 2026-01-05 NP12 0JA
£650,000
69, WILLIAM STREET
Terraced Freehold 2025-12-19 NP12 1NU
£185,000
16, HIGHFIELD CRESCENT, PONTLLANFRAITH
Semi-Detached Freehold 2025-12-19 NP12 2ED
£225,000
1, PEN-RHIW AVENUE, OAKDALE
Terraced Freehold 2025-12-19 NP12 0JP
£185,000
14, CWM BRAENAR, PONTLLANFRAITH
Detached Freehold 2025-12-19 NP12 2DS
£267,500
139, BEDWELLTY ROAD, CEFN FFOREST
Semi-Detached Freehold 2025-12-19 NP12 3HA
£230,000
15, FOREST HILL, THE BRYN
Detached Freehold 2025-12-19 NP12 2PW
£256,000
Tap any property to view full details, sale history, and EPC energy rating.
Search Properties in NP12
643 postcodes with 14,372 total sales. Search by postcode or street name to find individual sold prices (2020 onwards).
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Source: HM Land Registry Price Paid Data · Crown copyright 2026 · Open Government Licence v3.0