Our Data Sources
20, Plas Islwyn, Cwmbran has no records in the Land Registry and a single entry in the EPC database dated July 2013.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 20, Plas Islwyn, Cwmbran would be worth £146,819, with a potential rental value of £969 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £130,039, with a rental value of £858 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
20, Plas Islwyn, Cwmbran occupies a 177 m2 plot as recorded by HM Land Registry.
Of the 23 other houses in this postcode, 17 have recorded plot sizes, and this one ranks as the 5th largest.
Energy Efficiency
20, Plas Islwyn, Cwmbran has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 25 Jul 2013.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 120 sales of comparable properties within 730 metres of 20, Plas Islwyn, Cwmbran since 2016.
Most recently, 44, Porthmawr Road, Cwmbran, NP44 1LZ, a freehold house, sold at £145,000 on the 8th May 2026.
Read more about house prices in NP44.
- Sold May 2026£145,000 | 3 Bed House44, Porthmawr Road, Cwmbran, NP44 1LZ44, Porthmawr Road, Cwmbran, NP44 1LZ
- Sold Jan 2026£138,500 | 3 Bed House18, Plas Islwyn, Cwmbran, NP44 1NN18, Plas Islwyn, Cwmbran, NP44 1NN
- Sold Dec 2025£115,000 | 3 Bed House33, Pontnewydd Walk, Cwmbran, NP44 1PZ33, Pontnewydd Walk, Cwmbran, NP44 1PZ
- Sold Oct 2025£142,500 | 3 Bed House69, Porthmawr Road, Cwmbran, NP44 1NA69, Porthmawr Road, Cwmbran, NP44 1NA
- Sold Feb 2025£130,000 | 3 Bed House10, Plas Islwyn, Cwmbran, NP44 1NN10, Plas Islwyn, Cwmbran, NP44 1NN
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £157,568, ranging from £124,440 to £308,114.
- 19 Plas Islwyn
3 Bed House | 6 m | Est. Value: £124,440
- 21 Plas Islwyn
3 Bed House | 9 m | Est. Value: £139,827
- 18 Plas Islwyn
3 Bed House | 13 m | Est. Value: £144,034
- 23 Plas Islwyn
3 Bed House | 18 m | Est. Value: £153,473
- 17 Plas Islwyn
4 Bed House | 21 m | Est. Value: £283,495
Location Comparison
Our analysis of the public data ranks 20, Plas Islwyn, Cwmbran as the 14th largest and the 14th most expensive of the 25 addresses on Plas Islwyn, Cwmbran, NP44.
Against the NP44 postcode district average, it is £82k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Cwmbran|500 m away
- Pontypool & New Inn|4.8 km away
- Risca & Pontymister|7.4 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












