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Get started20 Catharine Street is a three-bedroom semi-detached house in Cambridge (CB1 3AW). It has a recorded floor area of 74 m² (around 797 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (May 2021) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in May 2011 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Good to Very Good, window efficiency went from Very Poor to Good and lighting went from Very Poor to Very Good. The recommended improvements would lift it to B (score 85), a 2-band jump. Other recorded features include a loft.
Held since September 2008 — that's 18 years off the open market, well above the local norm. Across the public record there are 4 sales, relatively high churn for a single property. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Sale prices here have outpaced Cambridge HPI: 11.1% per year against 0% for the wider region. Today's modelled estimate of £479,000 sits 95.5% above the 2008 sale of £245,000. One historical planning record sits against the property in 2019.
Recommended upgrades on file would lift this property by multiple EPC bands.
Large twin-stemmed White Poplar ~ Top and fell to ground level.
20 Catharine Street has more than tripled in price since its earliest registered sale in 1996.
£479,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.1% per year over 12 years.
£245,000
Growth on file: 11.1% per year over 12 years.
20 Catharine Street is notably below the street on price per m².
Price per m²
£3,311
Street avg £5,114
Floor Area
74 m²
Street avg 76 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
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
Windows upgraded, improving insulation
Roof insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
10 September 2008Most recent
£245,000
+8.9%over 3 years28 September 2004
£225,000
+73.1%over 4 years5 October 1999
£130,000
+86.4%over 3 years20 September 1996
£69,750
Median price across the last 5 sales in CB1 3AW: £495,000 (2025–2024).
CO₂ Emissions
3.3 t/year
Street avg 3.9 t/year
CB1 3RW
Closest school
0.4 km
Cambridge Maths School. 30 schools nearby.
Night-time· 23:00 – 07:00
37.1dB
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