3 Heol Callwen, Penycae, Swansea, SA9 1GR
About 3 Heol Callwen
3 Heol Callwen is a semi-detached house in Penycae, Swansea, Swansea (SA9 1GR). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (May 2022) shows a D (score 56), a step below the typical UK home. The recommended improvements would lift it to A (score 96), a 3-band jump. Main heating runs on oil.
Today's modelled estimate of £192,000 is 16.4% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£187/sq ft) was about 106% above the typical sold price in the postcode. Last sale on file: £165,000 in November 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. One historical planning record sits against the property in 2015.
Know exactly what you're buying at 3 Heol Callwen
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Planning history
- Mar 2015OutbuildingFullIn report
Erection of hay, tractor and tool storage shed
- Agent
- AEDES
- Documents
- 23 docs on file
- Reference
- 15/11781/FUL
We flagged 1 thing worth checking at 3 Heol Callwen
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
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Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£192,000
Modelled from EPC, postcode comparables.
£165,000
Recorded with HM Land Registry.
Sales timeline
4 November 2022Most recent
£165,000
Median price across the last 5 sales in SA9 1GR: £150,000 (2022–2013).
Nearby sales in SA9 1GR
8 Heol Callwen, Penycae, Swansea, SA9 1GR
Sold Sept 2022
£160,0007 Heol Callwen, Penycae, Swansea, SA9 1GR
Sold May 2018
£150,000Ty Carreg, Heol Callwen, Penycae, Swansea, SA9 1GR
Sold Jun 2017
£1,0004 Heol Callwen, Penycae, Swansea, SA9 1GR
Sold Jan 2016
£100,000Ty Gwyn, Heol Callwen, Penycae, Swansea, SA9 1GR
Sold Jun 2013
£210,000
Everything we know about 3 Heol Callwen, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Heol Callwen homes
3 Heol Callwen outperforms the street on price per m² by a wide margin.
Price per m²
£2,012
Street avg £1,267
Floor Area
82 m²
Street avg 88 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
5.2 t/year
Street avg 5.8 t/year
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The neighbourhood at a glance
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Field Study Centre — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.