Our Data Sources
4, Clos Islwyn, Swansea has 31 entries in the Land Registry, most recently in February 2017 and a single entry in the EPC database dated September 2011.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 4, Clos Islwyn, Swansea would be worth £374,141, with a potential rental value of £1,434 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £331,382, with a rental value of £1,270 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
4, Clos Islwyn, Swansea occupies a 275 m2 plot as recorded by HM Land Registry.
All 13 other houses in this postcode have recorded plot sizes, and this one ranks as the 9th largest.
Energy Efficiency
4, Clos Islwyn, Swansea has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 15 Sep 2011.
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
4, Clos Islwyn, Swansea last changed hands on 28th February 2017, selling for £270,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold 3 times since 1995.
The market for similar properties has dropped by 4.1% since February 2017.
- Sold Feb 2017£270,000
- Sold Aug 2012£225,000
- Sold Mar 2000£92,950
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 175 sales of comparable properties within 890 metres of 4, Clos Islwyn, Swansea since 2013.
Most recently, 22, Ffordd Taliesin, Swansea, SA2 7DF, a freehold house, sold at £280,000 on the 10th April 2026.
Read more about house prices in SA2.
- Sold Apr 2026£280,000 | 3 Bed House22, Ffordd Taliesin, Swansea, SA2 7DF22, Ffordd Taliesin, Swansea, SA2 7DF
- Sold Mar 2026£365,000 | 3 Bed House59, Ffordd Taliesin, Swansea, SA2 7DF59, Ffordd Taliesin, Swansea, SA2 7DF
- Sold Jan 2026£335,000 | 3 Bed House6, Twyni Teg, Swansea, SA2 7NS6, Twyni Teg, Swansea, SA2 7NS
- Sold Nov 2025£350,000 | 3 Bed House65, Coleridge Crescent, Swansea, SA2 7ER65, Coleridge Crescent, Swansea, SA2 7ER
- Sold Jul 2025£320,000 | 3 Bed House49, Ffordd Dryden, Swansea, SA2 7PD49, Ffordd Dryden, Swansea, SA2 7PD
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 £363,940, ranging from £313,531 to £436,074.
- 5 Clos Islwyn
4 Bed House | 10 m | Est. Value: £375,023
- 2 Clos Islwyn
3 Bed House | 17 m | Est. Value: £348,537
- 9 Clos Islwyn
4 Bed House | 27 m | Est. Value: £420,274
- 7 Clos Islwyn
3 Bed House | 32 m | Est. Value: £357,723
- 6 Clos Islwyn
4 Bed House | 33 m | Est. Value: £436,074
Location Comparison
Our analysis of the public data ranks 4, Clos Islwyn, Swansea as the 8th largest and the 8th most expensive of the 13 addresses on Clos Islwyn, Killay, Swansea, SA2.
Against the SA2 postcode district average, it is £132k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Gowerton|2.9 km away
- Swansea|5.0 km away
- Bynea|7.7 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.
