21 23, Marshall Road, Cambridge, CB1 7TY
About 21 23
21 23 is a semi-detached house in Cambridge (CB1 7TY). It has a recorded floor area of 96 m² (around 1033 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (February 2024) shows an E (score 47), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since June 2013. Between certificates, hot-water efficiency went from Very Poor to Average and lighting went from Very Poor to Good. The recommended improvements would lift it to B (score 83), a 3-band jump.
It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs). Across 2012–2024, sale prices on this property compounded at 5.8% per year. On a £-per-square-foot basis, the last sale (£685/sq ft) was about 127.4% above the typical sold price in the postcode. Last sale on file: £708,000 in September 2024.
Everything you need to know about 21 23
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
21 23's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,155 · Includes VAT
Planning history
21 23 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
21 23 has more than doubled in price since the earliest registered sale in 2012.
£669,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.8% per year over 13 years.
£708,000
Growth on file: 5.8% per year over 13 years.
Sales timeline
3 September 2024Most recent
£708,000
+102.3%over 12 years5 February 2012
£350,000
Median price across the last 5 sales in CB1 7TY: £650,000 (2025–2024).
Nearby sales in CB1 7TY
Versus other Marshall Road homes
On years held, 21 23 runs well behind the street norm.
Price per m²
£7,375
Street avg £5,182
Floor Area
96 m²
Street avg 100 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
6.3 t/year
Street avg 4.5 t/year
Everything you need to know about 21 23
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee
The data behind every report
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Rising year-on-year across the wider district.
Nearest stop
0.9 km
Cambridge Rail Station — railway station.
Closest school
0.3 km
Morley Memorial Primary School. 26 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
49.2dB
Night-time· 23:00 – 07:00
39.6dB