5a, Wellington Street, Tongwynlais, Cardiff, CF15 7LP
About 5a
5a is a three-bedroom detached house in Tongwynlais, Cardiff, Cardiff (CF15 7LP). It has a recorded floor area of 107 m² (around 1152 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (September 2024) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in August 2020 the rating was E, the property has climbed 1 band since. Between certificates, lighting went from Poor to Very Good. The recommended improvements would lift it to B (score 82), a 2-band jump.
It changed hands recently, sold May 2025 for £465,000. One planning record on file: an extension approved in 2022. Past consents include an extension, meaningful when judging how the property has evolved. Across 2021–2025, sale prices on this property compounded at 8.8% per year. On a £-per-square-foot basis, the last sale (£404/sq ft) was about 117.8% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
- Utility roomYes
Outside
- Private gardenYes
- GarageYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
More low energy lighting installed
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Planning history
5a has an approved side extension on the planning record.
1 application on record at 5a, Wellington Street, Tongwynlais, Cardiff, CF15 7LP
- Jul 2022ExtensionFullOutcome in report
Extension: Side of property
DOUBLE AND SINGLE STOREY SIDE EXTENSION AND GARDEN ROOM TO REAR OF GARDEN
- Documents
- 12 docs on file
- Reference
- 21/02046/DCH
Unlock 5a, Wellington Street, Tongwynlais, Cardiff, CF15 7LP'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- Every decision — granted, refused or withdrawn (1 on record)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 12 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
5a valuation sits well clear of the typical sold price in this postcode.
£435,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.8% per year over 4 years.
£465,000
Growth on file: 8.8% per year over 4 years.
Sales timeline
22 May 2025Most recent
£465,000
+43.1%over 4 years26 February 2021
£325,000
Median price across the last 5 sales in CF15 7LP: £265,000 (2024–2020).
Nearby sales in CF15 7LP
4 Wellington Street, Tongwynlais, Cardiff, CF15 7LP
Sold Sept 2024
£245,00015 Wellington Street, Tongwynlais, Cardiff, CF15 7LP
Sold Oct 2023
£480,00017 Wellington Street, Tongwynlais, Cardiff, CF15 7LP
Sold Jun 2021
£342,5002 Old School Court, Wellington Street, Tongwynlais, Cardiff, CF15 7LP
Sold Dec 2020
£265,0003 Wellington Street, Tongwynlais, Cardiff, CF15 7LP
Sold Jun 2020
£250,000
Versus other Wellington Street homes
Price per m² for 5a runs comfortably ahead of the street norm.
Price per m²
£4,346
Street avg £2,264
Floor Area
107 m²
Street avg 97 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.5 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
Lewis Arms — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







