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Get started4b, Thoday Street, Cambridge, CB1 3AS
About 4b
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
4b is a semi-detached house in Cambridge (CB1 3AS). It has a recorded floor area of 29 m² (around 312 sq ft), construction records dating it to 1967-1975 and council tax band B. The latest certificate (February 2026) shows an E (score 39), well below the UK norm with real room to improve. When first surveyed in October 2008 the rating was G, the property has climbed 2 bands since. Between certificates, window efficiency went from Very Poor to Good and lighting went from Average to Very Good; while roof efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 76), a 2-band jump. Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition. At 29 m² this is the 9th smallest of 52 units on EPC record in the building, where floor areas span 24–109 m². The building's EPC ratings span E to B, with this unit at the bottom. On EPC score it ranks last in the building (39 versus a best of 82).
At 29 m² it sits well below the postcode median (78 m² across 51 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 88% of similar EPCs).
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
4b's carbon output is low for the local stock.
Current Certificate(1 of 2)
Feb 2026
EPC Rating
A
B
C
D
E
E39
F
G
Main Heating
Electric
Main Fuel
Electric
Hot Water
Very Poor
Windows
Good
CO2 Emissions
0.8 t/year
Occupancy
Rented
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
4b has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
Current estimate
See how we calculated this£208,000
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.
Launch offer · 33% off
The complete analysis of 4b, Thoday Street, Cambridge, CB1 3AS
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
An AI-written breakdown of everything that matters
Versus other Thoday Street homes
Four headline reads against 9 similar flats on this street, drawn from the latest EPC and Land Registry data.
On epc rating, 4b runs well behind the street norm.
EPC Rating
39 (E)
Street avg 70 (C)
Floor Area
29 m²
Street avg 28 m²
CO₂ Emissions
0.8 t/year
Street avg 1.5 t/year
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the Cambridge district page.
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Rising year-on-year across the wider district.
Nearest stop
0.8 km
Cambridge Rail Station — railway station.
Road noise across the postcode
Modelled day and night-time noise levels around CB1 3AS from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
48.0dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 32 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about 4b, Thoday Street, Cambridge, CB1 3AS. Each answer is also embedded as structured data for search engines.
