21 Cromwell Road, Cambridge, CB1 3EB
About 21 Cromwell Road
21 Cromwell Road is a semi-detached house in Cambridge (CB1 3EB). It has a recorded floor area of 89 m² (around 958 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (December 2021) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since September 2009. Between certificates, roof efficiency went from Poor to Good, window efficiency went from Average to Good and lighting went from Good to Very Good. The recommended improvements would lift it to B (score 86), a 2-band jump.
Held since January 2010 — that's 17 years off the open market, well above the local norm. Across 2001–2010, sale prices on this property compounded at 8.1% per year. Today's modelled estimate of £519,000 sits 107.6% above the 2010 sale of £250,000. On a £-per-square-foot basis, the last sale (£261/sq ft) was about 26.7% below the postcode norm. One planning record on file: an extension approved in 2001. Past consents include an extension, meaningful when judging how the property has evolved. At 89 m² it's 20.3% larger than the typical home in the postcode (74 m² median across 26 EPCs).
Everything you need to know about 21 Cromwell Road
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 18 December 2031
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,085 · Includes VAT
Planning history
21 Cromwell Road has an approved single-storey rear extension on the planning record.
1 application on record at 21 Cromwell Road, Cambridge, CB1 3EB
- Nov 2001ExtensionFullOutcome in report
Extension: Single storey · Rear of property
Single storey extension to rear of existing dwelling house.
- Documents
- 1 doc on file
- Reference
- C/01/1084
Unlock 21 Cromwell Road, Cambridge, CB1 3EB's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 34 notable nearby
- The 1 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
21 Cromwell Road's modelled value sits at over four times its earliest registered sale price (2001).
£519,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.1% per year over 9 years.
£250,000
Growth on file: 8.1% per year over 9 years.
Sales timeline
19 January 2010Most recent
£250,000
+96.5%over 8 years24 May 2001
£127,250
Median price across the last 5 sales in CB1 3EB: £602,000 (2026–2021).
Nearby sales in CB1 3EB
Versus other Cromwell Road homes
Price per m²
£2,809
Street avg £6,076
Floor Area
89 m²
Street avg 79 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
3.8 t/year
Street avg 3.2 t/year
Everything you need to know about 21 Cromwell Road
The true value, the hidden risks and the full sale history, in one report.
Pick your report · from £14.99
One time fee only - money back guarantee

Similar properties nearby
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
334/mo
Steady year-on-year across the wider district.
Nearest stop
1.1 km
Cambridge Rail Station — railway station.
Closest school
0.5 km
St Philip's CofE Aided Primary School. 33 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
48.1dB

Night-time· 23:00 – 07:00
37.3dB






