Flat 5, 21 Cromwell Road, Basingstoke, RG21 5NR
About Flat 5
Flat 5 is a one-bedroom mid-terrace house in Basingstoke (RG21 5NR). It has a recorded floor area of 24 m² (around 258 sq ft), construction records dating it to 1900-1929 and council tax band A. At 24 m² this is the smallest unit on EPC record across the building (24–38 m²). The building's EPC ratings span G to C across 6 units on file. The latest certificate (August 2020) shows an E (score 48), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since February 2016. Between certificates, window efficiency went from Very Poor to Good. The recommended improvements would lift it to C (score 74), a 2-band jump. Main heating runs on electricity.
At 24 m² it sits well below the postcode median (109 m² across 35 EPCs), making it one of the more compact homes locally. Across 1996–2022, sale prices on this property compounded at 6.2% per year. On a £-per-square-foot basis, the last sale (£418/sq ft) was about 95.5% above the typical sold price in the postcode. Last sale on file: £108,000 in May 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms1
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Single glazing replaced with double or better glazing
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has no mains gas supply, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
Flat 5 has no planning applications on record.
But the area is active
3 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Flat 5 has more than quadrupled in price since its earliest registered sale in 1996.
£112,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.2% per year over 25 years.
£108,000
Growth on file: 6.2% per year over 25 years.
Sales timeline
5 May 2022Most recent
£108,000
+24.1%over 1 year28 May 2020
£87,000
+145.1%over 19 years30 May 2000
£35,500
+51.1%over 3 years19 December 1996
£23,500
Median price across the last 5 sales in RG21 5NR: £632,500 (2025–2022).
Nearby sales in RG21 5NR
Versus other Cromwell Road homes
Flat 5 is notably below the street on years held.
Price per m²
£4,500
Street avg £2,665
Floor Area
24 m²
Street avg 58 m²
Habitable Rooms
1 rooms
Street avg 3 rooms
CO₂ Emissions
2.3 t/year
Street avg 4.8 t/year
Similar properties nearby
Flat 3, 21 Cromwell Road
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Flat 2, 21 Cromwell Road
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Falling year-on-year across the wider district.
Nearest stop
0.0 km
Vyne Road — bus stop.
Closest school
0.3 km
The Vyne Community School. 30 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
51.3dB

Night-time· 23:00 – 07:00
40.7dB







