1 Bryn Onnen, Pontardawe, Swansea, SA8 4LH
About 1 Bryn Onnen
1 Bryn Onnen is a four-bedroom detached house in Pontardawe, Swansea, Swansea (SA8 4LH). It has a recorded floor area of 148 m² (around 1593 sq ft), construction records dating it to 1983-1990 and council tax band D. The latest certificate (June 2014) shows a C (score 75), near the top of the C band. When first surveyed in March 2014 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Good and lighting went from Poor to Very Good. The recommended improvements would push it to B (score 83). The latest certificate is from June 2014, so improvements made since then won't be reflected. Other recorded features include a conservatory. Records show the property has been extended at some point in its history.
At 148 m² the property is well over the postcode median (88 m² across 6 EPCs), placing it in the larger end of the local stock. Across 2008–2014, sale prices on this property compounded at 7.6% per year. Today's modelled estimate of £320,000 sits 52.4% above the 2014 sale of £210,000. On a £-per-square-foot basis, the last sale (£132/sq ft) was about 33.8% below the postcode norm. One planning record on file: an extension approved in 2011. Past consents include an extension, meaningful when judging how the property has evolved. Last changed hands 12 years ago, in September 2014.
What this property has
Inside
- Bedrooms4
- ConservatoryYes
- FireplaceYes
Outside
- Private gardenYes
- GarageYes
Building
- Central heatingYes
- Previously extendedYes
Energy performance
1 Bryn Onnen's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 23 Jun 2024
EPC Rating
Property Improvements
Changes detected from historical EPC data
Cavity wall insulation installed
Loft insulation upgraded to recommended levels
More low energy lighting installed
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Planning history
1 application on record at 1 Bryn Onnen, Pontardawe, Swansea, SA8 4LH
- Feb 2011ExtensionFullOutcome in report
Extension: Single storey · Side of property
Single storey rear conservatory extension and first floor side extension
- Council
- North
- Documents
- 9 docs on file
- Reference
- P2010/1239
Unlock 1 Bryn Onnen, Pontardawe, Swansea, SA8 4LH'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 2 notable nearby
- The 9 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
1 Bryn Onnen saw 3 transfers in just over a decade — high turnover for the postcode.
£320,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.6% per year over 7 years.
£210,000
Growth on file: 7.6% per year over 7 years.
Sales timeline
25 September 2014Most recent
£210,000
+40.0%over 6 years15 May 2008
£150,000
+15.4%11 March 2008
£130,000
Median price across the last 5 sales in SA8 4LH: £219,950 (2025–2019).
Nearby sales in SA8 4LH
9 Bryn Onnen, Pontardawe, Swansea, SA8 4LH
Sold Oct 2025
£245,0006 Bryn Onnen, Pontardawe, Swansea, SA8 4LH
Sold May 2024
£310,0005 Bryn Onnen, Pontardawe, Swansea, SA8 4LH
Sold Jul 2022
£219,9502 Bryn Onnen, Pontardawe, Swansea, SA8 4LH
Sold Dec 2014
£155,0007 Bryn Onnen, Pontardawe, Swansea, SA8 4LH
Sold Oct 1999
£65,000
Versus other Bryn Onnen homes
Price per m² for 1 Bryn Onnen lags the street by a wide margin.
Price per m²
£1,419
Street avg £2,497
Floor Area
148 m²
Street avg 120 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
3.7 t/year
Street avg 4.2 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
Alltywerin — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







