27 Brook Street, Cardiff, CF11 6LG
About 27 Brook Street
27 Brook Street is a three-bedroom mid-terrace house in Cardiff (CF11 6LG). It has a recorded floor area of 128 m² (around 1378 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (July 2025) shows a C (score 76), near the top of the C band. The rating has held steady at C across 2 certificates since August 2013. Between certificates, roof efficiency dropped from Very Good to Good.
At 128 m² the property is well over the postcode median (97 m² across 25 EPCs), placing it in the larger end of the local stock. It changed hands recently, sold November 2025 for £352,500. One planning record on file: an extension approved in 2021. Past consents include an extension, meaningful when judging how the property has evolved. Across 2016–2025, sale prices on this property compounded at 6.4% per year. Today's modelled estimate of £391,000 is 10.9% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£256/sq ft) was about 176.6% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms3
- Bathrooms2
Everything you need to know about 27 Brook Street
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Energy performance
EPC Rating
Certificate validity
Valid until 21 July 2035
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
27 Brook Street has an approved single-storey rear extension on the planning record.
1 application on record at 27 Brook Street, Cardiff, CF11 6LG
- Aug 2021ExtensionFullOutcome in report
Extension: Single storey · Rear of property
SINGLE STOREY REAR EXTENSION
- Documents
- 8 docs on file
- Reference
- 21/01791/DCH
Unlock 27 Brook Street, Cardiff, CF11 6LG'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- Every decision — granted, refused or withdrawn (1 on record)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 10 notable nearby
- The 8 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Latest sale on 27 Brook Street was the highest on Land Registry record across the postcode.
£391,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.4% per year over 9 years.
£352,500
Growth on file: 6.4% per year over 9 years.
Sales timeline
27 November 2025Most recent
£352,500
+2.2%over 3 years22 November 2022
£345,000
+72.5%over 6 years14 September 2016
£200,000
Median price across the last 5 sales in CF11 6LG: £140,000 (2023–2008).
Nearby sales in CF11 6LG
Versus other Brook Street homes
27 Brook Street outperforms the street on price per m² by a wide margin.
Price per m²
£2,754
Street avg £1,198
Floor Area
128 m²
Street avg 120 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
2.8 t/year
Street avg 4.5 t/year
Everything you need to know about 27 Brook Street
The true value, the hidden risks and the full sale history, in one report.
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Similar properties nearby
The neighbourhood at a glance
Crime
362/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Despenser Gardens — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.