Our Data Sources
18, Plas Islwyn, Cwmbran has 2 entries in the Land Registry, most recently in January 2026 and a single entry in the EPC database dated February 2022.
We combine this information with that 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
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 18, Plas Islwyn, Cwmbran, we estimate a market value of £151,235 and a rental value of £974 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £133,951 and £863 per month respectively.
Plot Size
HM Land Registry records the plot of land for 18, Plas Islwyn, Cwmbran as measuring 150 m2.
That makes it the 11th largest plot in the postcode, where 17 of the 23 other houses have recorded plot data.
Energy Efficiency
18, Plas Islwyn, Cwmbran has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 25 Feb 2022.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
The most recent sale of 18, Plas Islwyn, Cwmbran completed on 30th January 2026 at £138,500 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold twice.
Values of comparable properties have risen by 28.3% over the period since January 2026.
- Sold Jan 2026£138,500
- Sold Jul 2007£106,000
Similar Properties Sold Nearby
Since 2016 99 properties similar to 18, Plas Islwyn, Cwmbran have sold within a radius of 730 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 13th February 2025, was 10, Plas Islwyn, Cwmbran, NP44 1NN, a freehold house which sold for £130,000.
Read more about house prices in NP44.
- Sold Feb 2025£130,000 | 3 Bed House10, Plas Islwyn, Cwmbran, NP44 1NN10, Plas Islwyn, Cwmbran, NP44 1NN
- Sold Dec 2024£135,000 | 3 Bed House43, Pontnewydd Walk, Cwmbran, NP44 1PZ43, Pontnewydd Walk, Cwmbran, NP44 1PZ
- Sold Jul 2024£132,250 | 3 Bed House8, Hanbury Close, Cwmbran, NP44 1NG8, Hanbury Close, Cwmbran, NP44 1NG
- Sold Sep 2023£140,000 | 3 Bed House52, Porthmawr Road, Cwmbran, NP44 1LZ52, Porthmawr Road, Cwmbran, NP44 1LZ
- Sold Sep 2023£148,000 | 3 Bed House6, Mead Lane, Cwmbran, NP44 1NW6, Mead Lane, Cwmbran, NP44 1NW
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 £157,586, ranging from £124,440 to £308,114.
- 19 Plas Islwyn
3 Bed House | 7 m | Est. Value: £124,440
- 17 Plas Islwyn
4 Bed House | 8 m | Est. Value: £283,495
- 16 Plas Islwyn
3 Bed House | 12 m | Est. Value: £144,034
- 20 Plas Islwyn
3 Bed House | 13 m | Est. Value: £139,827
- 15 Plas Islwyn
3 Bed House | 18 m | Est. Value: £138,108
Location Comparison
Of the 25 addresses on Plas Islwyn, Cwmbran, NP44, 18, Plas Islwyn, Cwmbran comes out as the 7th largest and the 7th most expensive in our analysis of the public data.
It is also £78k less expensive than the average property across the NP44 district.
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
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












