20 Heol Y Deri, Cwmrhydyceirw, Swansea, SA6 6JH
About 20 Heol Y Deri
20 Heol Y Deri is a semi-detached house in Cwmrhydyceirw, Swansea, Swansea (SA6 6JH). It has a recorded floor area of 57 m² (around 614 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (January 2017) shows a D (score 59), a step below the typical UK home. The recommended improvements would lift it to B (score 89), a 2-band jump.
At 57 m² it's 23% smaller than the typical home in the postcode (74 m² median across 28 EPCs).
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
20 Heol Y Deri has no planning applications on record.
But the area is active
5 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
20 Heol Y Deri has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£133,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in SA6 6JH: £102,500 (2025–2018).
Nearby sales in SA6 6JH
40 Heol Y Deri, Cwmrhydyceirw, Swansea, SA6 6JH
Sold Oct 2025
£148,0009 Heol Y Deri, Cwmrhydyceirw, Swansea, SA6 6JH
Sold Jul 2025
£140,00033 Heol Y Deri, Cwmrhydyceirw, Swansea, SA6 6JH
Sold Feb 2025
£95,00019 Heol Y Deri, Cwmrhydyceirw, Swansea, SA6 6JH
Sold Aug 2021
£102,50010 Heol Y Deri, Cwmrhydyceirw, Swansea, SA6 6JH
Sold Nov 2017
£110,000
Versus other Heol Y Deri homes
Floor Area for 20 Heol Y Deri lags the street by a wide margin.
EPC Rating
59 (D)
Street avg 60 (D)
Floor Area
57 m²
Street avg 75 m²
CO₂ Emissions
3.0 t/year
Street avg 3.6 t/year
Habitable Rooms
3 rooms
Street avg 4 rooms
Similar properties nearby
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1 Bro Dawel, Llangyfelach
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1 Clos Cadno, Cwmrhydyceirw
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1 Bryn Glas, Llangyfelach
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1 Clos Waun Wen, Llangyfelach
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1 Cae Crug, Llangyfelach
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1 Can Yr Aderyn, Morriston
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Heol Fedw — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







