21 Catharine Street, Cambridge, CB1 3AW
About 21 Catharine Street
21 Catharine Street is an end-of-terrace house in Cambridge (CB1 3AW). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (October 2024) shows a C (score 70). The rating has held steady at C across 5 certificates since November 2009. Between certificates, wall efficiency went from Very Poor to Poor, hot-water efficiency went from Average to Good and lighting went from Poor to Very Good. At 69 m² this is the 26th smallest of 55 units on EPC record in the building, where floor areas span 40–116 m². The building's EPC ratings span F to B across 55 units on file.
Its energy rating outperforms most of the postcode (better than 80% of similar EPCs).
Everything you need to know about 21 Catharine Street
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
More low energy lighting installed
Heating controls changed
Hot water efficiency improved
Wall insulation improved
More low energy lighting installed
Heating controls upgraded for better temperature management
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
21 Catharine Street has no planning applications on record.
But the area is active
36 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
21 Catharine Street has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£246,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in CB1 3AW: £495,000 (2025–2024).
Nearby sales in CB1 3AW
43 Catharine Street, Cambridge, CB1 3AW
Sold Nov 2025
£485,00012 Catharine Street, Cambridge, CB1 3AW
Sold Jun 2025
£500,00035 Catharine Street, Cambridge, CB1 3AW
Sold Apr 2025
£534,90016 Catharine Street, Cambridge, CB1 3AW
Sold Feb 2025
£495,00018 Catharine Street, Cambridge, CB1 3AW
Sold Nov 2024
£452,500
Versus other Catharine Street homes
21 Catharine Street outperforms the street on floor area by a wide margin.
EPC Rating
70 (C)
Street avg 71 (C)
Floor Area
69 m²
Street avg 51 m²
CO₂ Emissions
2.5 t/year
Street avg 2.0 t/year
Habitable Rooms
2 rooms
Street avg 3 rooms
Everything you need to know about 21 Catharine Street
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

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
0.7 km
Cambridge Rail Station — railway station.
Closest school
0.4 km
Cambridge Maths 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
47.9dB

Night-time· 23:00 – 07:00
37.1dB






