21 Badminton Close, Cambridge, CB4 3NW
About 21 Badminton Close
21 Badminton Close is a three-bedroom semi-detached house in Cambridge (CB4 3NW). It has a recorded floor area of 90 m² (around 969 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (April 2016) shows a D (score 57), a step below the typical UK home. Earlier certificates rated it C (October 2008); the latest reading is one band lower. Between certificates, lighting went from Average to Very Good; while roof efficiency dropped from Average to Very Poor and hot-water efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 85), a 2-band jump. The latest certificate is from April 2016, so improvements made since then won't be reflected. Our model identifies extension potential, subject to local planning policy.
One planning record on file: an extension approved in 2023. Past consents include an extension, a garage conversion and a porch, meaningful when judging how the property has evolved. Across 1997–2023, sale prices on this property compounded at 7.1% per year. Today's modelled estimate of £544,000 is 10.8% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£507/sq ft) was about 83.8% above the typical sold price in the postcode. Sold August 2023 for £491,000.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
- Utility roomYes
Outside
- Private gardenWest-facing
- GarageYes
Building
- Heating systemGas
- Extension potentialPossible
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 03 Apr 2026
EPC Rating
Certificate validity
Expired on 3 April 2026
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Windows upgraded, improving insulation
More low energy lighting installed
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Planning history
1 application on record at 21 Badminton Close, Cambridge, CB4 3NW
- Nov 2023Garage ConversionFullOutcome in report
Extension: Single storey · Rear of property
2m deep rear extension with 2 rooflights and infill between the new extension and back of the garage. Garage conversion to a habitable space. Front porch and roof modification.
- Council
- Cambridge City Council
ExtensionPorch- Documents
- 14 docs on file
- Reference
- 23/03597/HFUL
Unlock 21 Badminton Close, Cambridge, CB4 3NW's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 9 notable nearby
- The 14 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Price for 21 Badminton Close has grown more than fourfold since the 1997 starting point.
£544,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.1% per year over 26 years.
£491,000
Growth on file: 7.1% per year over 26 years.
Sales timeline
9 August 2023Most recent
£491,000
+513.8%over 26 years25 March 1997
£79,995
Median price across the last 5 sales in CB4 3NW: £455,000 (2024–2021).
Nearby sales in CB4 3NW
Versus other Badminton Close homes
EPC Rating for 21 Badminton Close lags the street by a wide margin.
Price per m²
£5,456
Street avg £4,004
Floor Area
90 m²
Street avg 87 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
4.9 t/year
Street avg 3.3 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
411/mo
Falling year-on-year across the wider district.
Closest school
0.3 km
Mayfield Primary School. 19 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
50.3dB

Night-time· 23:00 – 07:00
40.4dB







