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Get started21 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).
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.
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.
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
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.

Daytime· 07:00 – 23:00
47.9dB

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
Are we missing something? Tell us about home improvements to help adjust your valuation.
Median price across the last 5 sales in CB1 3AW: £495,000 (2025–2024).
Street avg 2.0 t/year
Habitable Rooms
2 rooms
Street avg 3 rooms
Closest school
0.4 km
Cambridge Maths School. 30 schools nearby.
Night-time· 23:00 – 07:00
37.1dB