27b, Windway Road, Cardiff, CF5 1AF
About 27b
27b is a semi-detached house in Cardiff (CF5 1AF). It has a recorded floor area of 111 m² (around 1195 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (August 2017) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 81), a 2-band jump.
Today's modelled estimate of £336,000 sits 124% above the 2017 sale of £150,000. On a £-per-square-foot basis, the last sale (£126/sq ft) was about 30.3% below the postcode norm. At 111 m² it's 24% larger than the typical home in the postcode (90 m² median across 38 EPCs). On the market in September 2017 and unlisted since — roughly 9 years.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has been extended more than once, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
27b has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
27b valuation sits well clear of the typical sold price in this postcode.
£336,000
Modelled from EPC, postcode comparables.
£150,000
Recorded with HM Land Registry.
Sales timeline
11 September 2017Most recent
£150,000
Median price across the last 5 sales in CF5 1AF: £337,499 (2025–2022).
Versus other Windway Road homes
On price per m², 27b runs well behind the street norm.
Price per m²
£1,351
Street avg £2,774
Floor Area
111 m²
Street avg 98 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.6 t/year
Street avg 4.5 t/year
Similar properties nearby
1 Earle Place
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1 Carmarthen Street
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1 Conybeare Road
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1 Bassett Street
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1 Aldsworth Road
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1 Birchfield Crescent
CF5 1AE
1 Cumberland Street
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1 Anglesey Mews, Anglesey Street
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Windway Road — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







