23 Havannah Street, Cardiff, CF10 5SF
About 23 Havannah Street
23 Havannah Street is a one-bedroom mid-terrace house in Cardiff (CF10 5SF). It has a recorded floor area of 51 m² (around 549 sq ft), construction records dating it to 2003-2006 and council tax band F. The latest certificate (January 2020) shows a C (score 77), near the top of the C band. The rating has held steady at C across 2 certificates since August 2009. Between certificates, hot-water efficiency dropped from Average to Poor. The recommended improvements would push it to B (score 82). Main heating runs on electricity. At 51 m² this is the 31st 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. Other recorded features include a balcony.
Across 2003–2020, sale prices on this property compounded at -0.5% per year. Today's modelled estimate of £183,000 is 14.4% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£291/sq ft) was about 15% below the postcode norm. Most recent transfer: February 2020 at £160,000.
What this property has
Inside
- Bedrooms1
- Bathrooms1
- Open-plan layoutYes
Outside
- Communal gardenYes
- ParkingUnderground
- BalconyYes
Everything you need to know about 23 Havannah Street
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Certificate validity
Valid until 15 January 2030
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
MVHR (mechanical ventilation with heat recovery) installed
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
23 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
23 Havannah Street's sale-price growth has lagged the wider UK trajectory across its history on file.
£183,000
Modelled from EPC, postcode comparables and a sale-price growth of -0.5% per year over 17 years.
£160,000
Growth on file: -0.5% per year over 17 years.
Sales timeline
21 February 2020Most recent
£160,000
-8.6%over 16 years26 February 2003
£175,000
Median price across the last 5 sales in CF10 5SF: £190,000 (2025–2024).
Nearby sales in CF10 5SF
Versus other Havannah Street homes
23 Havannah Street is notably below the street on price per m².
Price per m²
£3,137
Street avg £3,580
Floor Area
51 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
Everything you need to know about 23 Havannah Street
The true value, the hidden risks and the full sale history, in one report.
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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.