4 Park Close, Bonymaen, Swansea, SA1 7AX
About 4 Park Close
4 Park Close is a mid-terrace house in Bonymaen, Swansea, Swansea (SA1 7AX). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to 1967-1975 and council tax band B. The latest certificate (September 2025) shows a C (score 71). When first surveyed in June 2015 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency dropped from Good to Average. Main heating runs on electricity.
Held since March 1999 — that's 27 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £135,000 sits 500% above the 1999 sale of £22,500. On a £-per-square-foot basis, the last sale (£29/sq ft) was about 18.5% below the postcode norm.
Energy performance
4 Park Close's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Solar PV panels (40 kWp) installed
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
4 Park Close has no planning applications on record.
But the area is active
3 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
4 Park Close's modelled value sits at over four times its earliest registered sale price (1999).
£135,000
Modelled from EPC, postcode comparables.
£22,500
Recorded with HM Land Registry.
Sales timeline
29 March 1999Most recent
£22,500
Median price across the last 3 sales in SA1 7AX: £28,000 (2019–1997).
Versus other Park Close homes
Floor Area for 4 Park Close lags the street by a wide margin.
EPC Rating
71 (C)
Street avg 66 (D)
Floor Area
71 m²
Street avg 72 m²
CO₂ Emissions
1.0 t/year
Street avg 2.8 t/year
Habitable Rooms
4 rooms
Street avg 4 rooms
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The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Bonymaen Inn — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







