4 Gynol Road, Cwmllynfell, Swansea, SA9 2GX
About 4 Gynol Road
4 Gynol Road is a semi-detached house in Cwmllynfell, Swansea, Swansea (SA9 2GX). It has a recorded floor area of 99 m² (around 1066 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (September 2025) returns a B (score 81), comfortably above the UK average. When first surveyed in March 2016 the rating was F, the property has climbed 4 bands since. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Average to Very Good and window efficiency went from Average to Good. Main heating runs on electricity.
On energy efficiency it sits in the top 10% of properties in this postcode. Today's modelled estimate of £164,000 sits 198.2% above the 2017 sale of £55,000. On a £-per-square-foot basis, the last sale (£52/sq ft) was about 31% below the postcode norm. Last sold in July 2017, so it's been off the market for around 9 years.
Know exactly what you're buying at 4 Gynol Road
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
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Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
4 Gynol Road ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heat pump installed, significantly improving energy efficiency
Changed to a more efficient fuel source
Heating controls upgraded for better temperature management
Window efficiency improved
Wall insulation improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
Mechanical ventilation installed
High performance glazing installed
Planning history
4 Gynol Road has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
4 Gynol Road valuation sits well clear of the typical sold price in this postcode.
£164,000
Modelled from EPC, postcode comparables.
£55,000
Recorded with HM Land Registry.
Sales timeline
12 July 2017Most recent
£55,000
Median price across the last 5 sales in SA9 2GX: £134,500 (2022–2015).
Nearby sales in SA9 2GX
2 Gynol Road, Cwmllynfell, Swansea, SA9 2GX
Sold Oct 2022
£181,0009 Gynol Road, Cwmllynfell, Swansea, SA9 2GX
Sold Jun 2021
£207,00010 Gynol Road, Cwmllynfell, Swansea, SA9 2GX
Sold Apr 2019
£52,50013 Gynol Road, Cwmllynfell, Swansea, SA9 2GX
Sold Jan 2015
£94,00012 Gynol Road, Cwmllynfell, Swansea, SA9 2GX
Sold May 2013
£110,000
Everything we know about 4 Gynol Road, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
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Versus other Gynol Road homes
EPC Rating for 4 Gynol Road runs comfortably ahead of the street norm.
Price per m²
£556
Street avg £1,026
Floor Area
99 m²
Street avg 104 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
0.6 t/year
Street avg 9.7 t/year
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The neighbourhood at a glance
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Gwilym Road — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.