31 Blackweir Terrace, Cardiff, CF10 3EQ
About 31 Blackweir Terrace
31 Blackweir Terrace is a four-bedroom mid-terrace house in Cardiff (CF10 3EQ). It has a recorded floor area of 100 m² (around 1076 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (June 2018) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since June 2012. Between certificates, lighting went from Very Poor to Very Good. The recommended improvements would lift it to B (score 85), a 2-band jump.
One planning record on file: an extension approved in 2017. Past consents include an extension, meaningful when judging how the property has evolved. At 100 m² it's 25% larger than the typical home in the postcode (80 m² median across 34 EPCs). 4 bedrooms is on the larger side for this postcode, where 2 is the typical count. Across 2004–2021, sale prices on this property compounded at 2.7% per year. On a £-per-square-foot basis, the last sale (£242/sq ft) was about 71% above the typical sold price in the postcode. Sold November 2021 for £260,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Dining roomYes
- EnsuiteYes
Building
- RefurbishedYes
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 changed
More low energy lighting installed
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
31 Blackweir Terrace has an approved rear extension on the planning record.
1 application on record at 31 Blackweir Terrace, Cardiff, CF10 3EQ
- Jul 2017ExtensionFullOutcome in report
Extension: Rear of property
SINGLE & TWO STOREY REAR EXTENSION
- Documents
- 7 docs on file
- Reference
- 17/01193/DCH
Unlock 31 Blackweir Terrace, Cardiff, CF10 3EQ'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- Every decision — granted, refused or withdrawn (1 on record)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 6 notable nearby
- The 7 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£258,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.7% per year over 17 years.
£260,000
Growth on file: 2.7% per year over 17 years.
Sales timeline
29 November 2021Most recent
£260,000
+57.6%over 17 years19 August 2004
£165,000
Median price across the last 5 sales in CF10 3EQ: £314,000 (2024–2022).
Nearby sales in CF10 3EQ
33 Blackweir Terrace, Cardiff, CF10 3EQ
Sold Apr 2024
£360,00045 Blackweir Terrace, Cardiff, CF10 3EQ
Sold Feb 2023
£290,00015 Blackweir Terrace, Cardiff, CF10 3EQ
Sold Oct 2022
£445,00041 Blackweir Terrace, Cardiff, CF10 3EQ
Sold May 2022
£230,55257 Blackweir Terrace, Cardiff, CF10 3EQ
Sold Jan 2022
£314,000
Versus other Blackweir Terrace homes
CO₂ Emissions for 31 Blackweir Terrace lags the street by a wide margin.
Price per m²
£2,600
Street avg £2,189
Floor Area
100 m²
Street avg 89 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
4.2 t/year
Street avg 3.7 t/year
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
10/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Blackweir — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







