20 Heol Islwyn, Llanrhystud, SY23 5BW
About 20 Heol Islwyn
20 Heol Islwyn is a three-bedroom end-of-terrace house in Llanrhystud (SY23 5BW). It has a recorded floor area of 121 m² (around 1302 sq ft), construction records dating it to 1976-1982 and council tax band C. Tenure is freehold. The latest certificate (September 2018) shows a D (score 61), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 79). Main heating runs on oil.
Untraded for 29 years, with the last transfer in September 1997. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. At 121 m² the property is well over the postcode median (88 m² across 12 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £194,000 sits 341.4% above the 1997 sale of £43,950. On a £-per-square-foot basis, the last sale (£34/sq ft) was about 75.8% below the postcode norm.
Know exactly what you're buying at 20 Heol Islwyn
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms3
- Bathrooms2
Outside
- Private gardenYes
- ParkingYes
Building
- TenureFreehold
Energy performance
EPC Rating
Planning history
20 Heol Islwyn has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
Latest sale on 20 Heol Islwyn was the lowest on Land Registry record across the postcode.
£194,000
Modelled from EPC, postcode comparables.
£43,950
Recorded with HM Land Registry.
Sales timeline
25 September 1997Most recent
£43,950
Median price across the last 5 sales in SY23 5BW: £155,000 (2024–2017).
Nearby sales in SY23 5BW
Everything we know about 20 Heol Islwyn, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other Heol Islwyn homes
Price per m² for 20 Heol Islwyn lags the street by a wide margin.
Price per m²
£363
Street avg £1,877
Floor Area
121 m²
Street avg 89 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
5.9 t/year
Street avg 4.8 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Heol Islwyn — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.