Model valuation£417,0008 Busby Close
Local market context
17 Heol Y Gelli, Penllergaer, Swansea, SA4 9BW
Property type
Semi-detached
Habitable rooms
5
From EPC
Floor area
80 m²
865 sq ft
Energy rating
E
Score 42
Council tax
Band B
Tenure
Owner Occupied
About 17 Heol Y Gelli
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
17 Heol Y Gelli is a semi-detached house in Penllergaer, Swansea, Swansea (SA4 9BW). It has a recorded floor area of 80 m² (around 865 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (May 2010) shows an E (score 42), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 62). The latest certificate is from May 2010, so improvements made since then won't be reflected.
Today's modelled estimate of £153,000 sits 86.6% above the 2012 sale of £82,000. It lags the bulk of the postcode on energy efficiency (less efficient than 76% of similar EPCs). Last sold in November 2012, so it's been off the market for around 14 years.
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The data behind every report
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
17 Heol Y Gelli's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 17 May 2020
Current Certificate
May 2010EPC Rating
A
B
C
D
E
E42
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Poor
Windows
Very Poor
CO2 Emissions
6.7 t/year
Occupancy
Owner Occupied
Certificate validity
Expired on 17 May 2020
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Level 2 HomeBuyer Report
Mid 20th centurySemi-Detached HouseEPC E
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Planning history
Applications and permits filed against 17 Heol Y Gelli, Penllergaer, Swansea, SA4 9BW, sourced from the PlanIt planning register.
17 Heol Y Gelli has no planning applications on record.
1
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
17 Heol Y Gelli valuation sits well clear of the typical sold price in this postcode.
Current estimate
See how we calculated this£153,000
Modelled from EPC, postcode comparables.
Last sold (2012)
£82,000
Recorded with HM Land Registry.
Sales timeline
30 November 2012Most recent
£82,000
Median price across the last 5 sales in SA4 9BW: £115,000 (2025–2019).
Nearby sales in SA4 9BW
31 Heol Y Gelli, Penllergaer, Swansea, SA4 9BW
Sold Feb 2025
£141,00035 Heol Y Gelli, Penllergaer, Swansea, SA4 9BW
Sold Nov 2024
£175,00049 Heol Y Gelli, Penllergaer, Swansea, SA4 9BW
Sold Nov 2020
£115,0009 Heol Y Gelli, Penllergaer, Swansea, SA4 9BW
Sold Jun 2020
£107,00018 Heol Y Gelli, Penllergaer, Swansea, SA4 9BW
Sold Mar 2019
£90,000
Versus other Heol Y Gelli homes
Four headline reads against 21 similar houses on this street, drawn from the latest EPC and Land Registry data.
17 Heol Y Gelli is notably below the street on epc rating.
Price per m²
£1,020
Street avg £1,223
Floor Area
80 m²
Street avg 88 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
6.7 t/year
Street avg 4.3 t/year
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Start your researchSimilar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£168k
1 Dillwyn Road, Penllergaer
SA4 9BT
£173k
1 Bryn Bach, Tircoed Forest Village, Penllergaer
SA4 9RX
2 bed
£174k
1 Bron Afon, Tircoed Forest Village, Penllergaer
SA4 9QY
£193k
1 Clordir Road, Pontlliw
SA4 9EY
£199k
1 Clos Glanlliw, Pontlliw
SA4 9DW
£209k
1 Clos Llarwydden, Penllergaer
SA4 9ZP
3 bed
£210k
1 Dryslwyn Close, Penllergaer
SA4 9AW
£211k
1 Cherry Crescent, Penllergaer
SA4 9FF
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the Swansea district page.
Crime
160/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Llwyn-yr-Eos — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Common questions
The questions buyers, sellers and homeowners most often ask about 17 Heol Y Gelli, Penllergaer, Swansea, SA4 9BW. Each answer is also embedded as structured data for search engines.