25 Blackweir Terrace, Cardiff, CF10 3EQ
About 25 Blackweir Terrace
25 Blackweir Terrace is a mid-terrace house in Cardiff (CF10 3EQ). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (May 2024) shows a D (score 61), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since February 2014. The recommended improvements would push it to C (score 78).
Untraded for 24 years, with the last transfer in March 2002. Across 1995–2002, sale prices on this property compounded at 9% per year. Today's modelled estimate of £236,000 sits 214.7% above the 2002 sale of £75,000. On a £-per-square-foot basis, the last sale (£85/sq ft) was about 41.5% below the postcode norm.
Energy performance
EPC Rating
Certificate validity
Valid until 16 May 2034
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
25 Blackweir Terrace has no planning applications on record.
But the area is active
6 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
25 Blackweir Terrace's modelled value sits at over four times its earliest registered sale price (1995).
£236,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.0% per year over 6 years.
£75,000
Growth on file: 9.0% per year over 6 years.
Sales timeline
15 March 2002Most recent
£75,000
+29.3%over 2 years23 September 1999
£58,000
+34.9%over 3 years4 October 1995
£43,000
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
Price per m² for 25 Blackweir Terrace lags the street by a wide margin.
Price per m²
£915
Street avg £2,282
Floor Area
82 m²
Street avg 90 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
3.8 t/year
Street avg 3.7 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
485/mo
Steady 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.







