3a, Barton Road, Comberton, Cambridge, CB23 7BP
About 3a
3a is a one-bedroom semi-detached house in Comberton, Cambridge, Cambridge (CB23 7BP). It has a recorded floor area of 39 m² (around 420 sq ft), construction records dating it to 1900-1929 and council tax band A. At 39 m² this is the 2nd smallest of 8 units on EPC record in the building, where floor areas span 38–271 m². The building's EPC ratings span E to C, with this unit at the top. Our model identifies extension potential, subject to local planning policy. The home occupies a cul-de-sac position. The latest certificate (February 2019) shows a C (score 73). When first surveyed in April 2010 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Good, roof efficiency went from Average to Very Good and hot-water efficiency went from Poor to Average; while lighting dropped from Very Good to Good. Main heating runs on electricity.
At 39 m² it sits well below the postcode median (91 m² across 7 EPCs), making it one of the more compact homes locally. 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count. Across 2002–2021, sale prices on this property compounded at 4% per year. Today's modelled estimate of £186,000 is 11% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£399/sq ft) was about 46.4% above the typical sold price in the postcode. 2 planning records sit against the property, 1 approved, 1 refused. Sold November 2021 for £167,500. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 3a
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms1
- Bathrooms1
Outside
- Private gardenrear
- Parkingoff_street
- Cul-de-sacYes
Building
- Extension potentialPossible
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Low energy lighting percentage decreased
Heating system changed
Heating controls upgraded for better temperature management
Hot water system changed
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
Heating system upgraded to a more efficient system
Heating controls changed
Hot water system upgraded
Low energy lighting percentage decreased
Wall insulation improved
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
Planning history
- Nov 2016FullIn report
Installation of external wall insulation to front rear and gable end of both flats (Retrospective)
- Council
- South Cambridgeshire District Council
Retrospective- Documents
- 8 docs on file
- Reference
- S/2403/16/FL
- Sept 2016FullIn report
Installation of external wall insulation to front rear and gable end of both flats. Please note the two flats have been converted from the original house.
- Council
- South Cambridgeshire District Council
- Documents
- 5 docs on file
- Reference
- S/0909/16/FL
We flagged 1 thing worth checking at 3a
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
3a has more than doubled in price since the earliest registered sale in 2002.
£186,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.0% per year over 19 years.
£167,500
Growth on file: 4.0% per year over 19 years.
Sales timeline
29 November 2021Most recent
£167,500
+114.7%over 19 years27 June 2002
£78,000
Median price across the last 5 sales in CB23 7BP: £660,000 (2025–2010).
Nearby sales in CB23 7BP
68 Barton Road, Comberton, Cambridge, CB23 7BP
Sold Mar 2025
£660,00019 Barton Road, Comberton, Cambridge, CB23 7BP
Sold Jun 2024
£1,000,00070 Barton Road, Comberton, Cambridge, CB23 7BP
Sold Jul 2015
£310,0003 Barton Road, Comberton, Cambridge, CB23 7BP
Sold Nov 2010
£85,00021 Barton Road, Comberton, Cambridge, CB23 7BP
Sold Sept 2008
£492,500
Everything we know about 3a, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Closest school
0.3 km
Meridian Primary School. 3 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
45.4dB

Night-time· 23:00 – 07:00
37.5dB