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

Estimated value

£160,000

  • Since the 2017 sale (£85,000)+88%
  • Against SA4 9BW's recent median (£115,000)+39%

Newest record on this page: February 2025. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.

Learn about this valuation
Property type
Semi-detached
Habitable rooms
4
From EPC
Floor area
84 m²
904 sq ft
Energy rating
D
Score 59
Council tax
Band B
Tenure
Owner Occupied
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Valuation

About this valuation

How the figure is worked out and what it's based on. If you know this home, you can tell other visitors what you think it's worth.

Our estimate

£160,000

  • Against its 2017 sale (£85,000)+88%
  • Against SA4 9BW's recent median (£115,000)+39%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 21 Heol Y Gelli is modelled from its 84 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in SA4 9BW. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.

What it's based on

  • Floor area

    84 m² from the EPC lodged in August 2017

  • Sales of this home

    1 sale recorded, the latest in 2017

  • Recent sales in SA4 9BW

    5 sales, median £115,000 (2025–2019)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: February 2025Latest available records, read when you order
ValuationEstimate from the last refreshAnalysed against comparable sales
PlanningNone on this homeFull history, plus nearby schemes
Flood riskNot shownIncluded
Price

Sales history & valuation

Every recorded sale of this home, how its price has moved, and what neighbouring properties have sold for.

21 Heol Y Gelli valuation sits well clear of the typical sold price in this postcode.

Sales timeline

  1. 20 December 2017Most recent

    £85,000

Median price across the last 5 sales in SA4 9BW: £115,000 (2025–2019).

Risks

What this page doesn't show

1 potential issue has already been flagged for 21 Heol Y Gelli, Penllergaer, Swansea, SA4 9BW. The detail, evidence and what to ask about it are in the Risks Report.
  • Larger development activity nearbyIn report
  • Flood risk from rivers, sea and surface waterIn report
  • Subsidence and ground-stability signalsIn report
  • Refusals, enforcement and big schemes nearbyIn report

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Overview

About 21 Heol Y Gelli

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

21 Heol Y Gelli is a semi-detached house in Penllergaer, Swansea, Swansea (SA4 9BW). It has a recorded floor area of 84 m² (around 904 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (August 2017) shows a D (score 59), a step below the typical UK home. The recommended improvements would push it to C (score 74).

Today's modelled estimate of £160,000 sits 88.2% above the 2017 sale of £85,000. 9 years since the last transfer (December 2017).

Before you decide

Everything you need to know about 21 Heol Y Gelli

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

Larger development activity nearby

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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.
Current Certificate
Aug 2017

EPC Rating

A
B
C
D
D59
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
3.6 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 16 August 2027

9 months remaining
Planning

Planning history

Applications and permits filed against 21 Heol Y Gelli, Penllergaer, Swansea, SA4 9BW, sourced from the PlanIt planning register.

21 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.

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.

Price per m² for 21 Heol Y Gelli lags the street by a wide margin.

Price per m²

£1,012

Street avg £1,224

Strongly below

Floor Area

84 m²

Street avg 88 m²

On par

Habitable Rooms

4 rooms

Street avg 5 rooms

Below

CO₂ Emissions

3.6 t/year

Street avg 4.4 t/year

On par
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

160/mo

Falling year-on-year across the wider district.

Nearest stop

0.1 km

Llwyn-yr-Eos — bus stop.

Nearest stops

  • Llwyn-yr-EosBus stop116m
  • Morgan CloseBus stop144m
  • Penllergaer ClubBus stop148m
  • Dilwyn RoadBus stop227m

Most reported crime locally

  • Violence & Sexual Offences974 reports44%
  • Anti-social Behaviour318 reports14%
  • Public Order242 reports11%
  • Criminal Damage & Arson201 reports9%

Go deeper on the local area

A Local Area report breaks down crime, transport links, schools and air quality in depth.

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

Comparables

Similar 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

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Method

How to read this page

Where every figure above comes from, how current it is and what it can't tell you.
Valuation method in detail
How the estimate is made
The estimate for 21 Heol Y Gelli is modelled from its 84 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in SA4 9BW. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.
Where sold prices come from
Sold prices are HM Land Registry Price Paid Data, which covers residential sales in England and Wales since 1995. 1 sale is recorded for 21 Heol Y Gelli. Sales normally appear two to three months after completion, so the most recent ones take time to show up anywhere.
Reading the EPC
Energy Performance Certificates rate homes from A (most efficient) to G and last 10 years. The latest one for 21 Heol Y Gelli was lodged in August 2017 at band D and is valid until August 2027. Floor area, heating and insulation details on this page come from it.
Planning records
Planning applications are collected from local authority registers through PlanIt. None is matched to 21 Heol Y Gelli. Councils sometimes file applications under a different address format, and applications on neighbouring land aren't listed here; the report covers both.
Area figures
Crime is police-recorded street-level data over the last 14 months, which places each incident at an approximate point. Schools and stops are measured in a straight line from SA4 9BW.
Council tax band
21 Heol Y Gelli is in council tax band B. Bands are set by the Valuation Office Agency from historic values (1 April 1991 in England, 1 April 2003 in Wales), not today's price; the amount you pay depends on the council's rate for the band.
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 21 Heol Y Gelli, Penllergaer, Swansea, SA4 9BW. Each answer is also embedded as structured data for search engines.

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