12 Queen Street, Tongwynlais, Cardiff, CF15 7NL
About 12 Queen Street
12 Queen Street is a three-bedroom mid-terrace house in Tongwynlais, Cardiff, Cardiff (CF15 7NL). It has a recorded floor area of 80 m² (around 861 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (May 2019) shows a C (score 71). The recommended improvements would push it to B (score 87).
Untraded for 20 years, with the last transfer in April 2006. On energy efficiency it sits in the top 10% of properties in this postcode. Today's modelled estimate of £258,000 sits 124.3% above the 2006 sale of £115,000. On a £-per-square-foot basis, the last sale (£134/sq ft) was about 21.8% below the postcode norm. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- CloakroomYes
Outside
- Private gardenYes
Building
- RefurbishedYes
Energy performance
12 Queen Street ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has been extended more than once, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
12 Queen Street has 2 separate extension applications on the council record.
2 applications on record at 12 Queen Street, Tongwynlais, Cardiff, CF15 7NL
- Nov 2010ExtensionFullOutcome in report
Extension: Single storey · Rear of property
SINGLE STOREY REAR INFILL EXTENSION
- Documents
- 1 doc on file
- Reference
- 10/02003/DCH
- More recent applications — locked
- ExtensionOct 2015Decision
Unlock 12 Queen Street, Tongwynlais, Cardiff, CF15 7NL's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full, plus 1 notable nearby
- The 11 documents, officer reports & conditions
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
12 Queen Street valuation sits well clear of the typical sold price in this postcode.
£258,000
Modelled from EPC, postcode comparables.
£115,000
Recorded with HM Land Registry.
Sales timeline
11 April 2006Most recent
£115,000
Median price across the last 5 sales in CF15 7NL: £321,300 (2025–2021).
Nearby sales in CF15 7NL
29 Queen Street, Tongwynlais, Cardiff, CF15 7NL
Sold Apr 2025
£126,00017 Queen Street, Tongwynlais, Cardiff, CF15 7NL
Sold May 2024
£321,30030 Queen Street, Tongwynlais, Cardiff, CF15 7NL
Sold Sept 2021
£357,50028a, Queen Street, Tongwynlais, Cardiff, CF15 7NL
Sold Jul 2021
£485,00018 Queen Street, Tongwynlais, Cardiff, CF15 7NL
Sold Jun 2021
£263,000
Versus other Queen Street homes
Price per m² for 12 Queen Street lags the street by a wide margin.
Price per m²
£1,438
Street avg £2,424
Floor Area
80 m²
Street avg 100 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
2.8 t/year
Street avg 4.7 t/year
Similar properties nearby
1 Church Lane, Nantgarw
CF15 7TQ
1 Church Street, Taffs Well
CF15 7PG
1 Bute Street, Tongwynlais
CF15 7LJ
1 Forest Cottage, Castle Road, Tongwynlais
CF15 7JR
1 Castell Coch View, Tongwynlais
CF15 7LA
1 Beechwood Road, Taffs Well
CF15 7RZ
1 Castle Road, Tongwynlais
CF15 7JQ
1 Anchor Street, Taffs Well
CF15 7RH
The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
St Michael`s Close — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







