11a, Basement Flat, London Terrace, Brighton, BN1 4JP
About 11a
11a is a mid-terrace house in Brighton (BN1 4JP). It has a recorded floor area of 36 m² (around 388 sq ft) and construction records dating it to before 1900. The latest certificate (April 2025) shows a C (score 73). The rating has held steady at C across 2 certificates since April 2014. Between certificates, lighting went from Average to Good; while window efficiency dropped from Good to Average.
At 36 m² it sits well below the postcode median (66 m² across 63 EPCs), making it one of the more compact homes locally. On the market in April 2017 and unlisted since — roughly 9 years. Across the public record there are 4 sales, relatively high churn for a single property. Across 2000–2017, sale prices on this property compounded at 9.3% per year. On a £-per-square-foot basis, the last sale (£575/sq ft) was about 198.1% above the typical sold price in the postcode.
Everything you need to know about 11a
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
11a's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
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 £885 · Includes VAT
Planning history
11a 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
11a has more than quadrupled in price since its earliest registered sale in 2000.
£234,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.3% per year over 17 years.
£223,000
Growth on file: 9.3% per year over 17 years.
Sales timeline
20 April 2017Most recent
£223,000
+27.4%over 1 year9 July 2015
£175,000
+86.2%over 11 years28 August 2003
£94,000
+84.3%over 2 years4 October 2000
£51,000
Median price across the last 5 sales in BN1 4JP: £330,000 (2015–2011).
Nearby sales in BN1 4JP
Versus other London Terrace homes
11a outperforms the street on habitable rooms by a wide margin.
EPC Rating
73 (C)
Street avg 78 (C)
Floor Area
36 m²
Street avg 60 m²
CO₂ Emissions
1.4 t/year
Street avg 1.3 t/year
Habitable Rooms
2 rooms
Street avg 1 rooms
Everything you need to know about 11a
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee

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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
Baker Street — bus stop.
Closest school
0.7 km
Downs Infant School. 31 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
56.6dB

Night-time· 23:00 – 07:00
47.3dB






