Basement Flat Rear, 1 Powis Square, Brighton, BN1 3HH
About Basement Flat Rear
Basement Flat Rear is an end-of-terrace house in Brighton (BN1 3HH). It has a recorded floor area of 33 m² (around 355 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (September 2020) shows a C (score 74). The rating has held steady at C across 2 certificates since May 2009. Between certificates, wall efficiency went from Very Poor to Good and window efficiency went from Very Poor to Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good.
Most recent transfer was June 2025 at £147,500 — fresh data. At 33 m² it sits well below the postcode median (50 m² across 48 EPCs), making it one of the more compact homes locally. Today's modelled estimate of £211,000 is 43.1% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£415/sq ft) was about 20.5% above the typical sold price in the postcode.
Everything you need to know about Basement Flat Rear
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
Basement Flat Rear's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 19 September 2030
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Single glazing replaced with double or better glazing
Wall insulation improved
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
Basement Flat Rear has no planning applications on record.
But the area is active
23 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Basement Flat Rear valuation sits well clear of the typical sold price in this postcode.
£211,000
Modelled from EPC, postcode comparables.
£147,500
Recorded with HM Land Registry.
Sales timeline
23 June 2025Most recent
£147,500
Median price across the last 5 sales in BN1 3HH: £282,500 (2025–2023).
Nearby sales in BN1 3HH
Flat 3, 5 Powis Square, Brighton, BN1 3HH
Sold Nov 2025
£477,500Flat 6, 4 Powis Square, Brighton, BN1 3HH
Sold Nov 2025
£195,000Flat 5, 2 Powis Square, Brighton, BN1 3HH
Sold Oct 2025
£282,5004a, Powis Square, Brighton, BN1 3HH
Sold Jul 2025
£350,000Flat 5, 4 Powis Square, Brighton, BN1 3HH
Sold Mar 2023
£275,000
Versus other Powis Square homes
On co₂ emissions, Basement Flat Rear stands well clear of the street.
Price per m²
£4,470
Street avg £5,220
Floor Area
33 m²
Street avg 52 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
1.3 t/year
Street avg 2.8 t/year
Everything you need to know about Basement Flat Rear
The true value, the hidden risks and the full sale history, in one report.
Pick your report · from £14.99
One time fee only - money back guarantee
The data behind every report
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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
0.2 km
Clifton Hill — bus stop.
Closest school
0.3 km
St Mary Magdalen Catholic Primary School. 32 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
54.4dB
Night-time· 23:00 – 07:00
44.1dB