Ground Floor Flat, 66 Catharine Street, Cambridge, CB1 3AR
About Ground Floor Flat
Ground Floor Flat is an end-of-terrace house in Cambridge (CB1 3AR). It has a recorded floor area of 45 m² (around 484 sq ft) and construction records dating it to before 1900. The latest certificate (July 2020) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since June 2009. Between certificates, lighting went from Good to Very Good; while wall efficiency dropped from Good to Very Poor and window efficiency dropped from Poor to Very Poor. The recommended improvements would push it to C (score 74).
Across 2005–2016, sale prices on this property compounded at 10.6% per year. Today's modelled estimate of £313,000 is 35.5% below the 2016 sale of £485,500, below the original sale price, which typically signals condition or completion-status changes worth verifying. On a £-per-square-foot basis, the last sale (£1,002/sq ft) was about 230% above the typical sold price in the postcode. At 45 m² it sits well below the postcode median (75 m² across 53 EPCs), making it one of the more compact homes locally. Last sold in May 2016, so it's been off the market for around 10 years.
Everything you need to know about Ground Floor Flat
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
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has been extended more than once, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
Ground Floor Flat 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
Ground Floor Flat has more than tripled in price since its earliest registered sale in 2005.
£313,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.6% per year over 11 years.
£485,500
Growth on file: 10.6% per year over 11 years.
Sales timeline
19 May 2016Most recent
£485,500
+213.2%over 11 years27 January 2005
£155,000
Median price across the last 5 sales in CB1 3AR: £500,000 (2025–2024).
Nearby sales in CB1 3AR
126 Catharine Street, Cambridge, CB1 3AR
Sold Sept 2025
£850,000122 Catharine Street, Cambridge, CB1 3AR
Sold Aug 2025
£500,00086 Catharine Street, Cambridge, CB1 3AR
Sold Jun 2025
£485,000126d, Catharine Street, Cambridge, CB1 3AR
Sold Dec 2024
£770,00076 Catharine Street, Cambridge, CB1 3AR
Sold Jan 2024
£479,000
Versus other Catharine Street homes
Ground Floor Flat outperforms the street on price per m² by a wide margin.
Price per m²
£10,789
Street avg £3,795
Floor Area
45 m²
Street avg 40 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.4 t/year
Street avg 2.0 t/year
Everything you need to know about Ground Floor Flat
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

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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
0.9 km
Cambridge Rail Station — railway station.
Closest school
0.5 km
Cambridge Maths School. 29 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
48.2dB

Night-time· 23:00 – 07:00
37.3dB






