23 Earl Street, Cambridge, CB1 1JR
About 23 Earl Street
23 Earl Street is a four-bedroom mid-terrace house in Cambridge (CB1 1JR). It has a recorded floor area of 148 m² (around 1593 sq ft), construction records dating it to before 1900 and council tax band F. The latest certificate (February 2018) shows a D (score 66), on the cusp of jumping into the C band. When first surveyed in August 2010 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Very Good, window efficiency went from Very Poor to Poor and lighting went from Poor to Very Good. The recommended improvements would push it to C (score 75). Period features are noted in the property record.
A recent sale: £1,100,000 in June 2026. Across the public record there are 4 sales, relatively high churn for a single property. One planning record on file: an extension approved in 2013. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. At 148 m² it's 24.4% larger than the typical home in the postcode (119 m² median across 18 EPCs). 4 bedrooms is on the larger side for this postcode, where 2 is the typical count. Across 2012–2026, sale prices on this property compounded at 5.9% per year. On a £-per-square-foot basis, the last sale (£690/sq ft) was about 70.4% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Dining roomYes
- StudyYes
Outside
- Private gardenSouth-facing
Building
- Central heatingYes
- Period featuresYes
- RefurbishedYes
Everything you need to know about 23 Earl Street
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Certificate validity
Valid until 26 February 2028
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Window efficiency improved
Wall insulation improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,645 · Includes VAT
Planning history
1 application on record at 23 Earl Street, Cambridge, CB1 1JR
- Jun 2013Loft ConversionFullOutcome in report
Loft conversion, 2 storey extension of 0.8m at basement and ground floor, 2 storey extension of 1.0m at first floor and 2nd floor, replace 2 pane sash window with 12 pane sash on front elevation.
- Council
- Cambridge City Council
Extension- Documents
- 37 docs on file
- Reference
- 13/0616/FUL
Unlock 23 Earl Street, Cambridge, CB1 1JR's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 6 notable nearby
- The 37 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
23 Earl Street has more than doubled in price since the earliest registered sale in 2012.
£1,004,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.9% per year over 14 years.
£1,100,000
Growth on file: 5.9% per year over 14 years.
Sales timeline
14 June 2026Most recent
£1,100,000
+14.3%over 7 years28 June 2018
£962,500
+65.9%over 5 years25 January 2013
£580,000
+16.0%7 October 2012
£500,000
Median price across the last 5 sales in CB1 1JR: £673,000 (2025–2022).
Nearby sales in CB1 1JR
Versus other Earl Street homes
23 Earl Street is notably below the street on years held.
Price per m²
£7,432
Street avg £5,025
Floor Area
148 m²
Street avg 113 m²
Habitable Rooms
8 rooms
Street avg 6 rooms
CO₂ Emissions
4.3 t/year
Street avg 4.6 t/year
Everything you need to know about 23 Earl Street
The true value, the hidden risks and the full sale history, in one report.
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Similar properties nearby
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
334/mo
Steady year-on-year across the wider district.
Nearest stop
1.4 km
Cambridge Rail Station — railway station.
Closest school
0.1 km
Parkside Community College. 27 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
49.6dB
Night-time· 23:00 – 07:00
39.3dB