21 Grafton Street, Cambridge, CB1 1DS
About 21 Grafton Street
21 Grafton Street is a four-bedroom mid-terrace house in Cambridge (CB1 1DS). It has a recorded floor area of 99 m² (around 1066 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (February 2014) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 79). The latest certificate is from February 2014, so improvements made since then won't be reflected. Period features are noted in the property record.
Most recent transfer: December 2021 at £685,000. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. One planning record on file: an extension approved in 2010. Past consents include an extension, meaningful when judging how the property has evolved. At 99 m² it's 22.2% larger than the typical home in the postcode (81 m² median across 32 EPCs). 4 bedrooms is on the larger side for this postcode, where 2 is the typical count. Across 1998–2021, sale prices on this property compounded at 7.3% per year. On a £-per-square-foot basis, the last sale (£643/sq ft) was about 59.1% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms4
- Bathrooms1
Building
- Heating systemGas fired
- Period featuresYes
Everything you need to know about 21 Grafton Street
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
21 Grafton Street'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This certificate is over 10 years old and is no longer valid.Expired 13 Feb 2024
EPC Rating
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Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
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Planning history
21 Grafton Street has an approved single-storey side extension on the planning record.
1 application on record at 21 Grafton Street, Cambridge, CB1 1DS
- Aug 2010ExtensionFullOutcome in report
Extension: Single storey · Side of property
Single storey side extension.
- Documents
- 13 docs on file
- Reference
- 10/0659/FUL
Unlock 21 Grafton Street, Cambridge, CB1 1DS'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 6 notable nearby
- The 13 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
21 Grafton Street has more than quadrupled in price since its earliest registered sale in 1998.
£740,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.3% per year over 23 years.
£685,000
Growth on file: 7.3% per year over 23 years.
Sales timeline
16 December 2021Most recent
£685,000
+13.2%over 7 years15 July 2014
£605,000
+66.9%over 7 years1 July 2007
£362,500
+179.0%over 9 years30 June 1998
£129,950
Median price across the last 5 sales in CB1 1DS: £737,000 (2025–2021).
Nearby sales in CB1 1DS
Versus other Grafton Street homes
Habitable Rooms for 21 Grafton Street runs comfortably ahead of the street norm.
Price per m²
£6,919
Street avg £5,983
Floor Area
99 m²
Street avg 87 m²
Habitable Rooms
7 rooms
Street avg 4 rooms
CO₂ Emissions
4.6 t/year
Street avg 4.4 t/year
Everything you need to know about 21 Grafton Street
The true value, the hidden risks and the full sale history, in one report.
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Similar properties nearby
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
4/mo
Rising year-on-year across the wider district.
Nearest stop
1.3 km
Cambridge Rail Station — railway station.
Closest school
0.2 km
St Matthew's Primary School. 27 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
51.4dB

Night-time· 23:00 – 07:00
40.9dB






