12a, Flat 3, York Place, Brighton, BN1 4GU
About 12a
12a is a detached house in Brighton (BN1 4GU). It has a recorded floor area of 20 m² (around 215 sq ft) and construction records dating it to 2007 onwards. At 20 m² this is the smallest unit on EPC record across 12a (20–57 m²). The building's EPC ratings span D to C, with this unit at the top. On EPC score it ranks first in the building (76 versus a worst of 63). The latest certificate (April 2016) shows a C (score 76), near the top of the C band. When first surveyed in August 2011 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Very Good, roof efficiency went from Very Poor to Good and window efficiency went from Very Poor to Good. The latest certificate is from April 2016, so improvements made since then won't be reflected.
At 20 m² it sits well below the postcode median (63 m² across 23 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 78% of similar EPCs).
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Energy performance
12a's carbon output is low for the local stock.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 19 Apr 2026
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Windows upgraded, improving insulation
Wall insulation improved
Loft insulation installed or upgraded to 250mm+
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Planning history
12a has no planning applications on record.
But the area is active
29 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
12a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£192,000
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 BN1 4GU: £575,000 (2019–2016).
Nearby sales in BN1 4GU
Versus other York Place homes
Floor Area for 12a lags the street by a wide margin.
EPC Rating
76 (C)
Street avg 60 (D)
Floor Area
20 m²
Street avg 71 m²
CO₂ Emissions
0.8 t/year
Street avg 3.8 t/year
Habitable Rooms
1 rooms
Street avg 4 rooms
Everything you need to know about 12a
The true value, the hidden risks and the full sale history, in one report.
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
21/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
St Peter's Church — bus stop.
Closest school
0.5 km
Carlton Hill Primary School. 29 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
57.2dB
Night-time· 23:00 – 07:00
47.1dB