40a, High Street, Sawston, Cambridge, CB22 3BG
About 40a
40a is a semi-detached house in Sawston, Cambridge, Cambridge (CB22 3BG). It has a recorded floor area of 37 m² (around 398 sq ft) and construction records dating it to 1996-2002. The latest certificate (January 2015) shows a D (score 59), a step below the typical UK home. Earlier certificates rated it C (January 2015); the latest reading is one band lower. Main heating runs on electricity. The latest certificate is from January 2015, so improvements made since then won't be reflected.
Today's modelled estimate of £225,000 is 55% below the 2024 sale of £500,000, below the original sale price, which typically signals condition or completion-status changes worth verifying. On a £-per-square-foot basis, the last sale (£1,255/sq ft) was about 425.3% above the typical sold price in the postcode. At 37 m² it sits well below the postcode median (79 m² across 30 EPCs), making it one of the more compact homes locally. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include change of use to residential and an extension, meaningful when judging how the property has evolved. Most recent transfer: July 2024 at £500,000.
Energy performance
40a's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 22 Jan 2025
EPC Rating
Certificate validity
Expired on 22 January 2025
Property Improvements
Changes detected from historical EPC data
Loft insulation upgraded to recommended levels
More low energy lighting installed
Low energy lighting percentage decreased
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
2 applications on record at 40a, High Street, Sawston, Cambridge, CB22 3BG
- Oct 2010Change of UseFullOutcome in report
Change of Use from Offices to Residential to Roof Extension to Create 4 Apartments
- Council
- South Cambridgeshire District Council
Extension- Documents
- 12 docs on file
- Reference
- S/1190/10
- More recent applications — locked
- Change of UseJul 2012Decision
Unlock 40a, High Street, Sawston, Cambridge, CB22 3BG'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- Every decision — granted, refused or withdrawn (2 on record)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 2 applications on this property in full, plus 1 notable nearby
- The 21 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
£225,000
Modelled from EPC, postcode comparables.
£500,000
Recorded with HM Land Registry.
Sales timeline
9 July 2024Most recent
£500,000
Median price across the last 5 sales in CB22 3BG: £287,000 (2023–2021).
Nearby sales in CB22 3BG
12 High Street, Sawston, Cambridge, CB22 3BG
Sold May 2023
£340,0008 High Street, Sawston, Cambridge, CB22 3BG
Sold Oct 2022
£347,00016a, High Street, Sawston, Cambridge, CB22 3BG
Sold Apr 2022
£160,00032 High Street, Sawston, Cambridge, CB22 3BG
Sold Aug 2021
£270,50054 High Street, Sawston, Cambridge, CB22 3BG
Sold Jun 2020
£510,000
Versus other High Street homes
40a outperforms the street on price per m² by a wide margin.
Price per m²
£13,514
Street avg £3,983
Floor Area
37 m²
Street avg 62 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.1 t/year
Street avg 3.7 t/year
Similar properties 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
82/mo
Falling year-on-year across the wider district.
Nearest stop
2.2 km
Whittlesford Parkway Rail Station — railway station.
Closest school
0.1 km
The Bellbird Primary School. 6 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
48.5dB

Night-time· 23:00 – 07:00
38.7dB







