40 Lon Hir, Alltwen, Pontardawe, Swansea, SA8 3DE
About 40 Lon Hir
40 Lon Hir is a four-bedroom semi-detached house in Pontardawe, Swansea, Swansea (SA8 3DE). It has a recorded floor area of 142 m² (around 1528 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (January 2020) shows a D (score 66), on the cusp of jumping into the C band. When first surveyed in March 2010 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good and lighting went from Very Poor to Very Good; while roof efficiency dropped from Good to Very Poor. The recommended improvements would push it to C (score 78). Records show the property has been extended at some point in its history.
At 142 m² the property is well over the postcode median (99 m² across 17 EPCs), placing it in the larger end of the local stock. Across 2000–2020, sale prices on this property compounded at 5.6% per year. Today's modelled estimate of £304,000 is 44.8% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£137/sq ft) was about 27.6% above the typical sold price in the postcode. Most recent transfer: May 2020 at £210,000.
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Dining roomYes
- CloakroomYes
- EnsuiteYes
Outside
- Private gardenYes
- ParkingOff road
Building
- Central heatingYes
- Previously extendedYes
Energy performance
EPC Rating
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 3 Building Survey
Because the property was built before 1919 and has been extended more than once, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
40 Lon Hir has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
Sale price has grown by over 3x since 2000.
£304,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.6% per year over 20 years.
£210,000
Growth on file: 5.6% per year over 20 years.
Sales timeline
31 May 2020Most recent
£210,000
+33.8%over 8 years17 February 2012
£157,000
+124.4%over 11 years12 April 2000
£69,950
Median price across the last 5 sales in SA8 3DE: £220,000 (2025–2022).
Nearby sales in SA8 3DE
38 Lon Hir, Alltwen, Pontardawe, Swansea, SA8 3DE
Sold May 2025
£260,00062 Lon Hir, Alltwen, Pontardawe, Swansea, SA8 3DE
Sold Apr 2025
£170,00036 Lon Hir, Alltwen, Pontardawe, Swansea, SA8 3DE
Sold Apr 2025
£205,00034 Lon Hir, Alltwen, Pontardawe, Swansea, SA8 3DE
Sold Apr 2025
£297,00045 Lon Hir, Alltwen, Pontardawe, Swansea, SA8 3DE
Sold Jun 2022
£220,000
Versus other Lon Hir homes
EPC Rating for 40 Lon Hir runs comfortably ahead of the street norm.
Price per m²
£1,479
Street avg £1,537
Floor Area
142 m²
Street avg 105 m²
Habitable Rooms
7 rooms
Street avg 5 rooms
CO₂ Emissions
5.7 t/year
Street avg 5.8 t/year
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Dyffryn Road — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







