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 132% above the typical sold price in the postcode.
Energy performance
11a's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 16 April 2035
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
27 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.
£223,000
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: £365,000 (2025–2015).
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
Similar properties nearby
16 17, Flat 5, St Georges Place
BN1 4GB
14 15, Flat 2, Baker Street
BN1 4JN
15a, Basement Flat, Campbell Road
BN1 4QD
14 15, Flat 4, Baker Street
BN1 4JN
12a, Flat 4, Preston Road
BN1 4QF
16 17, Flat 6, St Georges Place
BN1 4GB
17 19, Flat 3, Oxford Street
BN1 4LA
14 15, Flat 3, Baker Street
BN1 4JN
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
1110/mo
Falling 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







