21 High Street, Harston, Cambridge, CB22 7PX
About 21 High Street
21 High Street is a detached house in Harston, Cambridge, Cambridge (CB22 7PX). It has a recorded floor area of 152 m² (around 1636 sq ft), construction records dating it to 2023 and council tax band A. The latest certificate (May 2025) returns an A (score 94), the top energy band on the EPC scale. Main heating runs on electricity: electricity, unspecified tariff.
On energy efficiency it sits in the top 10% of properties in this postcode. 6 planning records sit against the property, 4 approved, 1 refused. Past consents include an extension and change of use to residential, meaningful when judging how the property has evolved. On a £-per-square-foot basis, the last sale (£449/sq ft) was about 57.4% above the typical sold price in the postcode. Last changed hands 10 years ago, in October 2016.
Energy performance
21 High Street ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Certificate validity
Valid until 27 May 2035
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Planning history
A recent planning application at 21 High Street was refused — worth checking the council file.
6 applications on record at 21 High Street, Harston, Cambridge, CB22 7PX
- Aug 2017Change of UseFullOutcome in report
Demolition of side and rear extensions and stores. Refurbishment of consolidated original building including change of use from use class A3 (restaurant) to use classes A1 (shop) B1a (office) and B8 (storage and distribution) and erection of new wing adjoining rear of existing building. Erection of two residential dwellings.
- Council
- South Cambridgeshire District Council
Extension- Documents
- 56 docs on file
- Reference
- S/1072/17/FL
- More recent applications — locked
- ExtensionNov 2022Decision
- AdvertisingOct 2019Decision
+ 3 more applications in the report
Unlock 21 High Street, Harston, Cambridge, CB22 7PX's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (6 on record)
- All 6 applications on this property in full
- The 135 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
21 High Street valuation sits well clear of the typical sold price in this postcode.
£758,000
Modelled from EPC, postcode comparables.
£735,000
Recorded with HM Land Registry.
Sales timeline
19 October 2016Most recent
£735,000
Median price across the last 5 sales in CB22 7PX: £675,000 (2025–2022).
Nearby sales in CB22 7PX
30 High Street, Harston, Cambridge, CB22 7PX
Sold Mar 2025
£510,0002a, High Street, Harston, Cambridge, CB22 7PX
Sold Jul 2024
£675,00010c, High Street, Harston, Cambridge, CB22 7PX
Sold Nov 2023
£750,00041 High Street, Harston, Cambridge, CB22 7PX
Sold Nov 2023
£940,00036 High Street, Harston, Cambridge, CB22 7PX
Sold Nov 2022
£355,000
Versus other High Street homes
On epc rating, 21 High Street stands well clear of the street.
Price per m²
£4,836
Street avg £3,533
Floor Area
152 m²
Street avg 170 m²
CO₂ Emissions
0.2 t/year
Street avg 5.8 t/year
Years Held
10 years
Street avg 10 years
Similar properties nearby
1 Chapel Lane, Harston
CB22 7NG
1 Cambridge Road, Newton
CB22 7PL
1 Daphmoir Close, Barrington
CB22 7RE
1 Back Lane, Barrington
CB22 7RF
1 Conybeare Road, Barrington
CB22 7AE
1 Foxton Road, Barrington
CB22 7RN
1 Lawrance Lea, Harston
CB22 7QR
1 Boot Lane, Barrington
CB22 7RA
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
82/mo
Falling year-on-year across the wider district.
Nearest stop
2.7 km
Foxton Rail Station — railway station.
Closest school
0.1 km
Harston and Newton Primary School. 5 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
41.3dB







