20 Sunnyside, Cambridge, CB5 8SG
About 20 Sunnyside
20 Sunnyside is a semi-detached house in Cambridge (CB5 8SG). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (September 2024) shows a C (score 70). When first surveyed in November 2014 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good and lighting went from Poor to Very Good; while roof efficiency dropped from Good to Average. The recommended improvements would push it to B (score 84).
One planning record on file: an extension approved in 2026. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. Its energy rating outperforms most of the postcode (better than 73% of similar EPCs).
Everything you need to know about 20 Sunnyside
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
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 £1,020 · Includes VAT
Planning history
1 application on record at 20 Sunnyside, Cambridge, CB5 8SG
- Apr 2026Loft ConversionFullOutcome in report
Extension: Part single, part two storey · Rear of property
Single storey front extension, part single & part two storey rear extension & loft conversion
- Council
- Cambridge City Council
Extension- Documents
- 28 docs on file
- Reference
- 26/00538/HFUL
Unlock 20 Sunnyside, Cambridge, CB5 8SG'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- Every decision — granted, refused or withdrawn (1 on record)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 21 notable nearby
- The 28 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
20 Sunnyside has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£446,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in CB5 8SG: £402,000 (2025–2021).
Versus other Sunnyside homes
CO₂ Emissions for 20 Sunnyside runs comfortably ahead of the street norm.
EPC Rating
70 (C)
Street avg 62 (D)
Floor Area
79 m²
Street avg 97 m²
CO₂ Emissions
2.7 t/year
Street avg 4.4 t/year
Habitable Rooms
5 rooms
Street avg 5 rooms
Everything you need to know about 20 Sunnyside
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
14/mo
Rising year-on-year across the wider district.
Nearest stop
0.4 km
Cambridge Airport — airport.
Closest school
0.4 km
The Galfrid School. 21 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
49.9dB

Night-time· 23:00 – 07:00
42.0dB






