20 Gableson Avenue, Brighton, BN1 5FG
About 20 Gableson Avenue
20 Gableson Avenue is a five-bedroom detached house in Brighton (BN1 5FG). It has a recorded floor area of 128 m² (around 1378 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (February 2017) shows a C (score 69), just inside the C band. When first surveyed in February 2010 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Good and window efficiency went from Average to Good. Other recorded features include a basement.
A recent sale: £730,500 in February 2025. 7 planning records sit against the property, 6 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Its energy rating outperforms most of the postcode (better than 79% of similar EPCs). Across 2012–2025, sale prices on this property compounded at 8% per year. On a £-per-square-foot basis, the last sale (£530/sq ft) was about 111.7% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms5
- Bathrooms2
- EnsuiteYes
- BasementYes
Outside
- GarageYes
Everything you need to know about 20 Gableson Avenue
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
Window efficiency improved
Cavity wall insulation installed
More low energy lighting installed
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Planning history
20 Gableson Avenue has been through 6 approved planning applications — a well-evolved property.
7 applications on record at 20 Gableson Avenue, Brighton, BN1 5FG
- Oct 2014ExtensionFullOutcome in report
Extension: Single storey
Formation of first floor over existing property with associated roof alterations.
- Documents
- 9 docs on file
- Reference
- BH2014/02337
- More recent applications — locked
- ConditionsJul 2023Decision
- ConditionsMay 2023Decision
+ 4 more applications in the report
Unlock 20 Gableson Avenue, Brighton, BN1 5FG's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (7 on record)
- All 7 applications on this property in full, plus 9 notable nearby
- The 101 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
20 Gableson Avenue has more than doubled in price since the earliest registered sale in 2012.
£771,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.0% per year over 13 years.
£730,500
Growth on file: 8.0% per year over 13 years.
Sales timeline
20 February 2025Most recent
£730,500
+4.6%over 7 years21 September 2017
£698,200
+153.9%over 5 years17 May 2012
£275,000
Median price across the last 5 sales in BN1 5FG: £770,000 (2025–2021).
Nearby sales in BN1 5FG
Versus other Gableson Avenue homes
On co₂ emissions, 20 Gableson Avenue stands well clear of the street.
Price per m²
£5,707
Street avg £4,243
Floor Area
128 m²
Street avg 143 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
3.6 t/year
Street avg 6.3 t/year
Everything you need to know about 20 Gableson Avenue
The true value, the hidden risks and the full sale history, in one report.
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The neighbourhood at a glance
Crime
21/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Redhill Drive — bus stop.
Closest school
0.6 km
Westdene 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
51.1dB

Night-time· 23:00 – 07:00
41.7dB






