1 Birch Hill, Tongwynlais, Cardiff, CF15 7LL
About 1 Birch Hill
1 Birch Hill is a five-bedroom semi-detached house in Tongwynlais, Cardiff, Cardiff (CF15 7LL). It has a recorded floor area of 136 m² (around 1464 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (October 2020) shows a D (score 56), a step below the typical UK home. The recommended improvements would lift it to B (score 82), a 2-band jump.
One planning record on file: an extension approved in 2013. Past consents include an extension, meaningful when judging how the property has evolved. At 136 m² it's 19% smaller than the typical home in the postcode (168 m² median across 3 EPCs). Across 2006–2022, sale prices on this property compounded at 4.7% per year. Today's modelled estimate of £432,000 is 12.2% above the 2022 sale price. Last sale on file: £384,950 in April 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms5
- Bathrooms3
- Dining roomYes
- Utility roomYes
- StudyYes
Outside
- Private gardenYes
- GarageYes
Building
- Heating systemGas
Energy performance
1 Birch Hill's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
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.
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Planning history
1 Birch Hill has an approved single-storey extension on the planning record.
1 application on record at 1 Birch Hill, Tongwynlais, Cardiff, CF15 7LL
- Sept 2013ExtensionFullOutcome in report
Extension: Single storey
FIRST FLOOR EXTENSION
- Documents
- 6 docs on file
- Reference
- 13/01370/DCH
Unlock 1 Birch Hill, Tongwynlais, Cardiff, CF15 7LL'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- Every decision — granted, refused or withdrawn (1 on record)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 6 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
1 Birch Hill has more than doubled in price since the earliest registered sale in 2006.
£432,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.7% per year over 16 years.
£384,950
Growth on file: 4.7% per year over 16 years.
Sales timeline
21 April 2022Most recent
£384,950
+108.1%over 15 years22 June 2006
£185,000
Median price across the last 2 sales in CF15 7LL: £342,500 (2021–2007).
Versus other Birch Hill homes
1 Birch Hill is notably below the street on habitable rooms.
EPC Rating
56 (D)
Street avg 69 (D)
Floor Area
136 m²
Street avg 158 m²
CO₂ Emissions
7.5 t/year
Street avg 5.8 t/year
Habitable Rooms
5 rooms
Street avg 7 rooms
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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
Wyndham Street — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







