21 Aster Way, Cambridge, CB4 2XR
About 21 Aster Way
21 Aster Way is a semi-detached house in Cambridge (CB4 2XR). It has a recorded floor area of 58 m² (around 624 sq ft), construction records dating it to 2007-2011 and council tax band B. At 58 m² this is the smallest unit on EPC record across the building (58–153 m²). The building's EPC ratings span C to B, with this unit at the top. The latest certificate (May 2024) returns a B (score 81), comfortably above the UK average. The rating has held steady at B across 2 certificates since October 2010. Between certificates, lighting went from Average to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good.
It hasn't traded since September 2010, a hold of 16 years that's notably long for the area. Today's modelled estimate of £262,000 sits 54.1% above the 2010 sale of £170,000.
Know exactly what you're buying at 21 Aster Way
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
21 Aster Way's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Wall insulation upgraded
More low energy lighting installed
Planning history
21 Aster Way has no planning applications on record.
Notable planning nearby
14applications of note in the surrounding area
We flagged 2 things worth checking at 21 Aster Way
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.
- Signs of HMO activity in the area
- Larger development activity nearby
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Sales history & valuation
£262,000
Modelled from EPC, postcode comparables.
£170,000
Recorded with HM Land Registry.
Sales timeline
23 September 2010Most recent
£170,000
Median price across the last 5 sales in CB4 2XR: £262,000 (2025–2021).
Everything we know about 21 Aster Way, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- Larger development activity nearby

Versus other Aster Way homes
On floor area, 21 Aster Way runs well behind the street norm.
Price per m²
£2,931
Street avg £3,569
Floor Area
58 m²
Street avg 64 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
1.1 t/year
Street avg 1.3 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
7/mo
Steady year-on-year across the wider district.
Nearest stop
2.7 km
Cambridge North Rail Station — railway station.
Closest school
0.3 km
St Laurence Catholic Primary School. 20 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
57.5dB

Night-time· 23:00 – 07:00
47.2dB