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20 Heol Y Gelli, Penllergaer, Swansea, SA4 9BW

Property type
Semi-detached
Habitable rooms
4
From EPC
Floor area
86 m²
926 sq ft
Energy rating
D
Score 63
Council tax
Band B
Tenure
Social Rental
Overview

About 20 Heol Y Gelli

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

20 Heol Y Gelli is a semi-detached house in Penllergaer, Swansea, Swansea (SA4 9BW). It has a recorded floor area of 86 m² (around 926 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (January 2016) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since March 2013. Between certificates, roof efficiency went from Average to Good and lighting went from Very Poor to Average; while wall efficiency dropped from Good to Very Poor. The recommended improvements would push it to C (score 77). The latest certificate is from January 2016, so improvements made since then won't be reflected.

Before you decide

Everything you need to know about 20 Heol Y Gelli

The true value, the hidden risks and the full sale history, in one report.

Larger development activity nearby

Pick your report · every report is £14.99

One time fee only - money back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

EPC Expired

This certificate is over 10 years old and is no longer valid.Expired 14 Jan 2026

Current Certificate(1 of 2)
Jan 2016

EPC Rating

A
B
C
D
D63
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
3.7 t/year
Occupancy
Rented

Property Improvements

Changes detected from historical EPC data

Jan 2016from Mar 2013
Roof Insulation
InsulatedWell Insulated

Loft insulation upgraded to recommended levels

Low Energy Lighting
0%38%

More low energy lighting installed

SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

Mid 20th centurySemi-Detached HouseEPC D

We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.

From £495 · Includes VAT

Planning

Planning history

Applications and permits filed against 20 Heol Y Gelli, Penllergaer, Swansea, SA4 9BW, sourced from the PlanIt planning register.

20 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.

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

20 Heol Y Gelli has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.

Current estimate

£156,000

Modelled from EPC, postcode comparables.

See how we calculated this

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 SA4 9BW: £115,000 (2025–2019).

On the street

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.

20 Heol Y Gelli outperforms the street on floor area by a wide margin.

EPC Rating

63 (D)

Street avg 59 (D)

On par

Floor Area

86 m²

Street avg 88 m²

Strongly above

CO₂ Emissions

3.7 t/year

Street avg 4.4 t/year

On par

Habitable Rooms

4 rooms

Street avg 5 rooms

Below
Before you decide

Everything you need to know about 20 Heol Y Gelli

The true value, the hidden risks and the full sale history, in one report.

Larger development activity nearby

Pick your report · every report is £14.99

One time fee only - money back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£173k

1 Bron Afon, Tircoed Forest Village, Penllergaer

SA4 9QY

£173k

1 Bryn Bach, Tircoed Forest Village, Penllergaer

SA4 9RX

2 bed
£174k

1 Dillwyn Road, Penllergaer

SA4 9BT

£197k

1 Clos Glanlliw, Pontlliw

SA4 9DW

£198k

1 Clordir Road, Pontlliw

SA4 9EY

£205k

1 Cherry Crescent, Penllergaer

SA4 9FF

£207k

1 Clos Llarwydden, Penllergaer

SA4 9ZP

3 bed
£215k

1 Dryslwyn Close, Penllergaer

SA4 9AW

Area

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.
Full Swansea report

Crime

2/mo

Steady 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.

FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 20 Heol Y Gelli, Penllergaer, Swansea, SA4 9BW. Each answer is also embedded as structured data for search engines.