Upper Trelyn, Blackwood
House prices, sold prices and local information for NP12 1RR.
At a glance
2 property sales on Upper Trelyn, Blackwood have been recorded by HM Land Registry since 2017. The most recent sale was on 28 Jan 2021. Most sales here are detached homes, which have sold for an average of £360,000. 1 home here has sold more than once since 2017; 1 of them sold for more the second time.
House prices on Upper Trelyn compared
Average sale price over the last 12 months. Upper Trelyn has had fewer than two sales in that time, so it is left out. See all NP12 house prices.
Average sale price by year
Prices by property type
| Type | Sales | Average price | Last sold |
|---|---|---|---|
| Detached | 2 | £360,000 | 28 Jan 2021 |
Sold prices on Upper Trelyn
| Address | Date | Price | Type | Tenure |
|---|---|---|---|---|
| Hillside Bungalow, Upper Trelyn NP12 1RR | 28 Jan 2021 | £400,000 | Detached | Freehold |
| Hillside Bungalow, Upper Trelyn NP12 1RR | 30 Aug 2017 | £320,000 | Detached | Freehold |
Sale prices are as recorded by HM Land Registry. Some sales (for example repossessions and company purchases) are listed but left out of the averages.
Sale history: homes sold more than once
| Address | Sales | Change |
|---|---|---|
| Hillside Bungalow, Upper Trelyn | £320,000 (Aug 2017) → £400,000 (Jan 2021) | +25% over 3 yrs |
Buying on Upper Trelyn?
Crime and flood risk near Upper Trelyn
Crime
250 crimes were reported within about a mile of Upper Trelyn in August 2026.
| Violence & sexual offences | 82 |
| Anti-social behaviour | 43 |
| Criminal damage & arson | 39 |
| Public order | 25 |
| Burglary | 13 |
| Vehicle crime | 12 |
Source: data.police.uk. Locations are approximate and cover the surrounding area, not just this street.
Flood risk
Upper Trelyn is not in or near any Environment Agency flood warning or alert area.
Flood warning areas cover places at risk from rivers and the sea. Surface water risk isn't included. Check the long-term flood risk for a postcode on GOV.UK.
Getting around and local GPs
Train stations
- Pengam station 0.8 mi · 17 min walk
- Hengoed station 1.1 mi · 22 min walk
- Gilfach Fargoed station 1.6 mi · 32 min walk
Nearest bus stops
- Clos Afon Tywi (nr, Heol y Dderwen) 3 min walk
- Clos Afon Tywi (nr, Heol y Dderwen) 3 min walk
- Bryngwyn Street (nr, A4049) 3 min walk
- Bryngwyn Street (nr, A4049) 4 min walk
GP surgeries
- Pengam Health Centre
Glan-Yr-Afon Lane, Fleur De Lis, Blackwood · 0.5 mi - Sunnybank Health Centre
Bryn Road, Cefn Fforest, Blackwood · 0.6 mi - Blackwood Medical Group
Avicenna Medical Centre, Pontllanfraith Blackwood, Blackwood · 1.2 mi - Pontllanfraith Health Centre
Riverside Medical Practic, Pontllanfraith Health Centre, Blackwood · 1.2 mi
Sources: Department for Transport (NaPTAN) and NHS England practice data. Walking times are estimates from straight-line distance.
Area profile
Homes
| Here | Eng & Wales | |
|---|---|---|
| Owned | 59.0% | 62.5% |
| Private rented | 11.1% | 20.3% |
| Social rented | 29.6% | 17.1% |
| Households | 759 |
People
| Here | Eng & Wales | |
|---|---|---|
| Under 15 | 20.7% | 17.4% |
| Aged 15–64 | 64.1% | 64.1% |
| Aged 65+ | 15.2% | 18.6% |
| Residents | 1,823 |
Broadband
| Here | UK | |
|---|---|---|
| Superfast (30Mbit+) | 100% | 95% |
| Ultrafast (300Mbit+) | 100% | 80% |
| Gigabit-capable | 100% | 80% |
Share of homes on this street's postcodes that can get each speed. UK figure is the average across all postcodes. Source: Ofcom Connected Nations.
Neighbourhood figures cover the surrounding Lower Layer Super Output Area (about 1,500 residents). Sources: Census 2021 (ONS) and the English Indices of Deprivation 2025.
Nearby streets in NP12
- Woodfieldside Road£313k
- Ffordd Caer Ywen£385k
- Rhodfa Sirhywi£205k
- Bedwellty Road£234k
- Cae'r Delyn£269k
- Markham Crescent£218k
- Lon Tredegar£205k
- Cefn Road£280k
- Lon Rhymni£295k
- Blacksmith Close£341k
- Beaumaris Way£293k
- Oakdale Terrace£205k