20 Rock Road, Cambridge, CB1 7UF
About 20 Rock Road
20 Rock Road is a four-bedroom detached house in Cambridge (CB1 7UF). It has a recorded floor area of 138 m² (around 1485 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (August 2019) shows a C (score 72). When first surveyed in March 2009 the rating was F, the property has climbed 3 bands since. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Poor to Good and window efficiency went from Poor to Average. The recommended improvements would push it to B (score 81). The property has underfloor heating on record, all of which lower running costs and tend to lift resale appeal. Other recorded features include a loft. Records show the property has been extended at some point in its history.
4 planning records sit against the property, 2 approved, 2 refused. Past consents include tree works and an extension, meaningful when judging how the property has evolved. Across 2009–2020, sale prices on this property compounded at 8% per year. Today's modelled estimate of £1,021,000 is 14.7% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£599/sq ft) was about 98.9% above the typical sold price in the postcode. Most recent transfer: September 2020 at £890,000.
What this property has
Inside
- Bedrooms4
- Bathrooms3
- LoftYes
Outside
- GarageYes
Building
- Underfloor heatingYes
- Previously extendedYes
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Windows upgraded, improving insulation
Wall insulation improved
Loft insulation installed or upgraded to 250mm+
Floor insulation added or improved
More low energy lighting installed
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 £1,645 · Includes VAT
Planning history
20 Rock Road has 2 separate extension applications on the council record.
4 applications on record at 20 Rock Road, Cambridge, CB1 7UF
- May 2011ExtensionFullOutcome in report
Extension: Single storey · Rear of property
Single storey extension, incorporating existing rear dining room and rear kitchen lean-to extensions.
- Documents
- 30 docs on file
- Reference
- 11/0001/FUL
- More recent applications — locked
- Tree WorksJul 2021Decision
- ExtensionSept 2011Decision
+ 1 more application in the report
Unlock 20 Rock Road, Cambridge, CB1 7UF's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (4 on record)
- All 4 applications on this property in full, plus 2 notable nearby
- The 75 documents, officer reports & conditions
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
20 Rock Road has more than doubled in price since the earliest registered sale in 2009.
£1,021,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.0% per year over 11 years.
£890,000
Growth on file: 8.0% per year over 11 years.
Sales timeline
20 September 2020Most recent
£890,000
+137.3%over 11 years29 June 2009
£375,000
Median price across the last 5 sales in CB1 7UF: £1,060,000 (2024–2020).
Versus other Rock Road homes
20 Rock Road outperforms the street on co₂ emissions by a wide margin.
Price per m²
£6,449
Street avg £5,638
Floor Area
138 m²
Street avg 149 m²
Habitable Rooms
7 rooms
Street avg 7 rooms
CO₂ Emissions
3.6 t/year
Street avg 7.0 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Rising year-on-year across the wider district.
Nearest stop
0.8 km
Cambridge Rail Station — railway station.
Closest school
0.3 km
Morley Memorial Primary School. 26 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
49.6dB

Night-time· 23:00 – 07:00
39.7dB







