12 Cockburn Street, Cambridge, CB1 3NB
About 12 Cockburn Street
12 Cockburn Street is a semi-detached house in Cambridge (CB1 3NB). It has a recorded floor area of 34 m² (around 366 sq ft), construction records dating it to 1996-2002 and council tax band B. At 34 m² this is the smallest unit on EPC record across the building (34–125 m²). The building's EPC ratings span E to C across 39 units on file. The latest certificate (July 2024) shows a D (score 66), on the cusp of jumping into the C band. Earlier certificates rated it C (April 2009); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Average to Poor and main heating dropped from Poor to Very Poor. The recommended improvements would push it to C (score 79). Main heating runs on electricity.
At 34 m² it sits well below the postcode median (65 m² across 38 EPCs), making it one of the more compact homes locally. 3 planning records sit against the property, 2 approved, 0 refused. Past consents include subdivision, meaningful when judging how the property has evolved.
Everything you need to know about 12 Cockburn Street
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Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system changed
Hot water efficiency decreased
Windows upgraded, improving insulation
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
Council records show a subdivision application — the property's legal arrangement has been altered.
3 applications on record at 12 Cockburn Street, Cambridge, CB1 3NB
1 live now- Nov 2000SubdivisionFullOutcome in report
Conversion of 2no residential units into 3no residential units by changing single ground floor study room at front of site into a self- contained studio flat and associated works.
- Documents
- 1 doc on file
- Reference
- C/00/0925
- More recent applications — locked
- ConditionsMar 2026Decision
- OutbuildingJan 2026Decision
Unlock 12 Cockburn Street, Cambridge, CB1 3NB's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (2 on record)
- All 3 applications on this property in full, plus 36 notable nearby
- The 34 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
12 Cockburn Street has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£212,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
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.
Median price across the last 5 sales in CB1 3NB: £454,000 (2025–2022).
Nearby sales in CB1 3NB
Versus other Cockburn Street homes
On floor area, 12 Cockburn Street runs well behind the street norm.
EPC Rating
66 (D)
Street avg 59 (D)
Floor Area
34 m²
Street avg 55 m²
CO₂ Emissions
2.1 t/year
Street avg 3.1 t/year
Habitable Rooms
2 rooms
Street avg 3 rooms
Everything you need to know about 12 Cockburn 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
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Rising year-on-year across the wider district.
Nearest stop
0.5 km
Cambridge Rail Station — railway station.
Closest school
0.3 km
Cambridge Maths School. 28 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