27 Havannah Street, Cardiff, CF10 5SF
About 27 Havannah Street
27 Havannah Street is a one-bedroom mid-terrace house in Cardiff (CF10 5SF). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to 2003-2006 and council tax band F. The latest certificate (August 2021) shows a C (score 78), near the top of the C band. The rating has held steady at C across 2 certificates since January 2009. Between certificates, lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Average to Poor. The recommended improvements would push it to B (score 85). Main heating runs on electricity. At 46 m² this is the 19th smallest of 56 units on EPC record in the building, where floor areas span 38–118 m². The building's EPC ratings span E to B across 56 units on file.
Across 2003–2018, sale prices on this property compounded at -0.9% per year. Today's modelled estimate of £166,000 is 16.1% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£289/sq ft) was about 15.8% below the postcode norm. 8 years since the last transfer (May 2018).
What this property has
Inside
- Bedrooms1
- Bathrooms1
Energy performance
EPC Rating
Certificate validity
Valid until 17 August 2031
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
Ventilation system changed
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
27 Havannah Street has no planning applications on record.
But the area is active
5 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
27 Havannah Street's sale-price growth has lagged the wider UK trajectory across its history on file.
£166,000
Modelled from EPC, postcode comparables and a sale-price growth of -0.9% per year over 15 years.
£143,000
Growth on file: -0.9% per year over 15 years.
Sales timeline
24 May 2018Most recent
£143,000
-12.8%over 15 years15 May 2003
£164,000
Median price across the last 5 sales in CF10 5SF: £190,000 (2025–2024).
Nearby sales in CF10 5SF
Versus other Havannah Street homes
27 Havannah Street is notably below the street on price per m².
Price per m²
£3,109
Street avg £3,580
Floor Area
46 m²
Street avg 53 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
1.8 t/year
Street avg 1.9 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
485/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Sovereign Quay Waterbus Stop — ferry terminal.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







