5 Alder Avenue, Ystradgynlais, Swansea, SA9 1AQ
About 5 Alder Avenue
5 Alder Avenue is a three-bedroom semi-detached house in Ystradgynlais, Swansea, Swansea (SA9 1AQ). It has a recorded floor area of 88 m² (around 947 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (May 2019) shows a D (score 58), a step below the typical UK home. The recommended improvements would push it to C (score 79).
2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £258,000 is 49.6% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£182/sq ft) was about 21.3% above the typical sold price in the postcode. Last sale on file: £172,500 in August 2019.
Know exactly what you're buying at 5 Alder Avenue
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms3
- Bathrooms1
Energy performance
EPC Rating
Planning history
5 Alder Avenue has been extended on multiple sides of the property across separate planning applications.
- Apr 2021ExtensionFullIn report
Extension: Single storey · Side and rear of property
Single storey, rear and side extension
- Documents
- 8 docs on file
- Reference
- 21/0269/HH
- Aug 2020ExtensionFullIn report
Extension: Single storey · Rear of property
Single storey rear extension comprising kitchen, living, dining, utility, wc and entrance lobby
- Agent
- JT Roberts Associates Ltd
- Documents
- 12 docs on file
- Reference
- 20/0920/HH
We flagged 1 thing worth checking at 5 Alder Avenue
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
5 Alder Avenue valuation sits well clear of the typical sold price in this postcode.
£258,000
Modelled from EPC, postcode comparables.
£172,500
Recorded with HM Land Registry.
Sales timeline
20 August 2019Most recent
£172,500
Median price across the last 5 sales in SA9 1AQ: £248,000 (2025–2022).
Nearby sales in SA9 1AQ
22 Alder Avenue, Ystradgynlais, Swansea, SA9 1AQ
Sold Mar 2025
£248,00021 Alder Avenue, Ystradgynlais, Swansea, SA9 1AQ
Sold Feb 2025
£278,00020 Alder Avenue, Ystradgynlais, Swansea, SA9 1AQ
Sold Jan 2024
£230,00010 Alder Avenue, Ystradgynlais, Swansea, SA9 1AQ
Sold Sept 2023
£229,95013 Alder Avenue, Ystradgynlais, Swansea, SA9 1AQ
Sold Aug 2022
£250,000
Everything we know about 5 Alder Avenue, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby
Versus other Alder Avenue homes
On floor area, 5 Alder Avenue runs well behind the street norm.
Price per m²
£1,960
Street avg £1,916
Floor Area
88 m²
Street avg 102 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.8 t/year
Street avg 5.3 t/year
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The neighbourhood at a glance
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Post Office — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.