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Get started86 Catharine Street is a three-bedroom mid-terrace house in Cambridge (CB1 3AR). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (August 2024) shows a D (score 67), on the cusp of jumping into the C band. When first surveyed in January 2009 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Poor to Average, hot-water efficiency went from Average to Good and main heating went from Average to Good; while roof efficiency dropped from Average to Poor. The recommended improvements would lift it to B (score 90), a 2-band jump. Period features are noted in the property record. Our model identifies extension potential, subject to local planning policy.
Sale prices here have outpaced Cambridge HPI: 4.8% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£635/sq ft) was about 107.7% above the typical sold price in the postcode. It changed hands recently, sold June 2025 for £485,000. One planning record on file: an extension refused in 2026.
Recommended upgrades on file would lift this property by multiple EPC bands.
A HMO conversion application was refused at 86 Catharine Street in 2026.
Extension: Single storey · Rear of property
Sale price has grown by over 3x since 2001.
£520,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.8% per year over 24 years.
£485,000
Growth on file: 4.8% per year over 24 years.
86 Catharine Street is notably below the street on years held.
Price per m²
£6,831
Street avg £4,840
Floor Area
71 m²
Street avg 83 m²
Habitable Rooms
4 rooms
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Rising year-on-year across the wider district.
Nearest stop
0.9 km
Cambridge Rail Station — railway station.

Daytime· 07:00 – 23:00
48.2dB

Changes detected from historical EPC data
Hot water efficiency decreased
Windows upgraded, improving insulation
Heating controls upgraded for better temperature management
Hot water efficiency improved
Low energy lighting percentage decreased
Are we missing something? Tell us about home improvements to help adjust your valuation.
Change of use, single storey rear extension and ancillary outbuilding to create 6bed, 6 person HMO.
30 June 2025Most recent
£485,000
+212.9%over 24 years12 April 2001
£155,000
Median price across the last 5 sales in CB1 3AR: £500,000 (2025–2023).
Street avg 5 rooms
CO₂ Emissions
2.9 t/year
Street avg 3.7 t/year
CB1 3RW
Closest school
0.5 km
Cambridge Maths School. 29 schools nearby.
Night-time· 23:00 – 07:00
37.3dB
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