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 24.5% larger than the typical home in the postcode (80 m² median across 33 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. Today's modelled estimate of £811,000 is 18.4% above the 2021 sale price. 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
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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This certificate is over 10 years old and is no longer valid.Expired 13 Feb 2024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
Certificate validity
Expired on 13 February 2024
Get a survey for this property
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.
From £1,360 · Includes VAT
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.
£811,000
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 £5,972
Floor Area
99 m²
Street avg 87 m²
Habitable Rooms
7 rooms
Street avg 4 rooms
CO₂ Emissions
4.6 t/year
Street avg 4.3 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
Crime
334/mo
Steady 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






