12 Blaise Place, Cardiff, CF11 6JR
About 12 Blaise Place
12 Blaise Place is a one-bedroom mid-terrace house in Cardiff (CF11 6JR). It has a recorded floor area of 44 m² (around 474 sq ft), construction records dating it to 1991-1995 and council tax band C. The latest certificate (April 2022) shows a C (score 72). When first surveyed in March 2012 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good, lighting went from Poor to Very Good and main heating went from Average to Good. The recommended improvements would push it to B (score 90). Other recorded features include outbuildings.
Across 1995–2016, sale prices on this property compounded at 4.8% per year. Today's modelled estimate of £175,000 sits 68.3% above the 2016 sale of £104,000. On a £-per-square-foot basis, the last sale (£220/sq ft) was about 37.7% above the typical sold price in the postcode. Last changed hands 10 years ago, in October 2016. Across the public record there are 6 sales, relatively high churn for a single property. At 44 m² it's 20% smaller than the typical home in the postcode (55 m² median across 47 EPCs).
What this property has
Inside
- Bedrooms1
- Bathrooms1
- Dining roomYes
- CloakroomYes
Outside
- Private gardenRear
- ParkingOff street
- OutbuildingsYes
Building
- RefurbishedYes
Everything you need to know about 12 Blaise Place
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Replaced storage heaters with gas boiler
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has permanent outbuildings, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
12 Blaise Place has no planning applications on record.
But the area is active
12 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Sale price has at least doubled since 1995.
£175,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.8% per year over 22 years.
£104,000
Growth on file: 4.8% per year over 22 years.
Sales timeline
16 October 2016Most recent
£104,000
+4.0%over 9 years30 July 2007
£100,000
-4.8%26 July 2007
£105,000
+36.4%over 4 years28 March 2003
£77,000
+73.0%over 2 years2 March 2001
£44,500
+17.3%over 6 years27 January 1995
£37,950
Median price across the last 5 sales in CF11 6JR: £340,000 (2025–2022).
Versus other Blaise Place homes
12 Blaise Place is notably below the street on habitable rooms.
Price per m²
£2,364
Street avg £2,723
Floor Area
44 m²
Street avg 65 m²
Habitable Rooms
2 rooms
Street avg 4 rooms
CO₂ Emissions
1.6 t/year
Street avg 2.3 t/year
Everything you need to know about 12 Blaise Place
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
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The data behind every report
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
City Gardens — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.