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About 21 23
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
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.
Sale prices here have outpaced Cambridge HPI: 5.8% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£685/sq ft) was about 127.4% above the typical sold price in the postcode. It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs). Last sale on file: £708,000 in September 2024.
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
21 23's carbon output runs well above what efficient homes in the postcode produce.
Current Certificate(1 of 2)
Feb 2024
EPC Rating
A
B
C
D
E
E47
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Average
Windows
Average
CO2 Emissions
6.3 t/year
Occupancy
Owner Occupied
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
21 23 has more than doubled in price since the earliest registered sale in 2012.
Current estimate
See how we calculated this£669,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.8% per year over 13 years.
Last sold (2024)
£708,000
Growth on file: 5.8% per year over 13 years.
Sales timeline
Versus other Marshall Road homes
Four headline reads against 51 similar houses on this street, drawn from the latest EPC and Land Registry data.
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
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the Cambridge district page.
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.
Road noise across the postcode
Modelled day and night-time noise levels around CB1 7TY from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
49.2dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 27 points of interest in total.
Beautiful places to visit nearby
Curated scenic spots within reach of this postcode, served by Beautifulplaces.ai. Photography and tagging come from their open dataset.
Common questions
The questions buyers, sellers and homeowners most often ask about 21 23, Marshall Road, Cambridge, CB1 7TY. Each answer is also embedded as structured data for search engines.