15a, Basement Flat, Norfolk Square, Brighton, BN1 2PB
About 15a
15a is a mid-terrace house in Brighton (BN1 2PB). It has a recorded floor area of 54 m² (around 585 sq ft) and construction records dating it to before 1900. The latest certificate (September 2010) shows a D (score 61), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 69). The latest certificate is from September 2010, so improvements made since then won't be reflected.
Held since January 2011 — that's 16 years off the open market, well above the local norm. Across 2000–2011, sale prices on this property compounded at 10.1% per year. Today's modelled estimate of £278,000 sits 51.5% above the 2011 sale of £183,500.
Energy performance
15a's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 08 Sept 2020
EPC Rating
Certificate validity
Expired on 8 September 2020
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
15a has no planning applications on record.
But the area is active
4 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
15a has more than doubled in price since the earliest registered sale in 2000.
£278,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.1% per year over 11 years.
£183,500
Growth on file: 10.1% per year over 11 years.
Sales timeline
13 January 2011Most recent
£183,500
+186.7%over 10 years21 January 2000
£64,000
Median price across the last 5 sales in BN1 2PB: £305,000 (2025–2023).
Nearby sales in BN1 2PB
Flat 4, 4 Norfolk Square, Brighton, BN1 2PB
Sold Sept 2025
£305,000Flat 1, 2 Norfolk Square, Brighton, BN1 2PB
Sold Oct 2024
£300,000Basement Flat, 4 Norfolk Square, Brighton, BN1 2PB
Sold Oct 2024
£390,00016 Norfolk Square, Brighton, BN1 2PB
Sold Dec 2023
£1,140,000Basement Flat, 16 Norfolk Square, Brighton, BN1 2PB
Sold Dec 2023
£185,000
Versus other Norfolk Square homes
CO₂ Emissions for 15a lags the street by a wide margin.
Price per m²
£3,378
Street avg £6,419
Floor Area
54 m²
Street avg 54 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
3.2 t/year
Street avg 2.6 t/year
Similar properties nearby
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14 Montpelier Apartments, Montpelier Road
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The neighbourhood at a glance
Crime
1110/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Norfolk Square — bus stop.
Closest school
0.4 km
St Mary Magdalen Catholic Primary School. 28 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
54.6dB

Night-time· 23:00 – 07:00
44.7dB







