21 Ffos Yr Efail Terrace, Pontarddulais, Swansea, SA4 8RN
About 21 Ffos Yr Efail Terrace
21 Ffos Yr Efail Terrace is a three-bedroom semi-detached house in Pontarddulais, Swansea, Swansea (SA4 8RN). It has a recorded floor area of 91 m² (around 980 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (March 2025) shows a C (score 69), just inside the C band. When first surveyed in July 2011 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good and lighting went from Good to Very Good; while roof efficiency dropped from Good to Poor. The recommended improvements would push it to B (score 85). Records show the property has been extended at some point in its history.
On energy efficiency it sits in the top 10% of properties in this postcode. Most recent transfer was June 2025 at £230,000 — fresh data. Across 2012–2025, sale prices on this property compounded at 7.9% per year. On a £-per-square-foot basis, the last sale (£235/sq ft) was about 172.7% above the typical sold price in the postcode. One historical planning record sits against the property in 2017.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Open-plan layoutYes
- CloakroomYes
Outside
- ParkingOff road
Building
- Previously extendedYes
- RefurbishedYes
Energy performance
21 Ffos Yr Efail Terrace ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Certificate validity
Valid until 5 March 2035
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
More low energy lighting installed
Get a survey for this property
Level 2 HomeBuyer Report
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Planning history
1 application on record at 21 Ffos Yr Efail Terrace, Pontarddulais, Swansea, SA4 8RN
- Apr 2017ExtensionOutlineOutcome in report
Extension: Single storey · Rear of property
Single storey rear extension (application for a Certificate of Proposed Lawful Development)
- Documents
- 8 docs on file
- Reference
- 2017/0727/PLD
Unlock 21 Ffos Yr Efail Terrace, Pontarddulais, Swansea, SA4 8RN's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 1 notable nearby
- The 8 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Latest sale on 21 Ffos Yr Efail Terrace was the highest on Land Registry record across the postcode.
£239,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.9% per year over 13 years.
£230,000
Growth on file: 7.9% per year over 13 years.
Sales timeline
17 June 2025Most recent
£230,000
+173.8%over 13 years23 February 2012
£84,000
Median price across the last 5 sales in SA4 8RN: £147,000 (2025–2021).
Nearby sales in SA4 8RN
29 Ffos Yr Efail Terrace, Pontarddulais, Swansea, SA4 8RN
Sold Jul 2025
£147,0009 Ffos Yr Efail Terrace, Pontarddulais, Swansea, SA4 8RN
Sold Dec 2023
£205,00023 Ffos Yr Efail Terrace, Pontarddulais, Swansea, SA4 8RN
Sold Oct 2022
£154,00027 Ffos Yr Efail Terrace, Pontarddulais, Swansea, SA4 8RN
Sold Sept 2021
£145,0001 Ffos Yr Efail Terrace, Pontarddulais, Swansea, SA4 8RN
Sold Sept 2021
£145,000
Versus other Ffos Yr Efail Terrace homes
21 Ffos Yr Efail Terrace outperforms the street on price per m² by a wide margin.
Price per m²
£2,527
Street avg £1,276
Floor Area
91 m²
Street avg 94 m²
Habitable Rooms
7 rooms
Street avg 5 rooms
CO₂ Emissions
3.1 t/year
Street avg 4.8 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
160/mo
Falling year-on-year across the wider district.
Nearest stop
0.0 km
Dulais Road — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







