3a, Powis Square, Brighton, BN1 3HH
About 3a
3a is a detached house in Brighton (BN1 3HH). It has a recorded floor area of 64 m² (around 692 sq ft) and construction records dating it to before 1900. At 64 m² this is the 36th smallest of 49 units on EPC record in the building, where floor areas span 24–115 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (July 2010) shows a C (score 70). The latest certificate is from July 2010, so improvements made since then won't be reflected.
At 64 m² the property is well over the postcode median (49 m² across 48 EPCs), placing it in the larger end of the local stock. 3 planning records sit against the property, 2 approved, 1 refused. Past consents include an extension and new windows, meaningful when judging how the property has evolved.
Energy performance
3a'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This certificate is over 10 years old and is no longer valid.Expired 07 Jul 2020
EPC Rating
Certificate validity
Expired on 7 July 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 £955 · Includes VAT
Planning history
3 applications on record at 3a, Powis Square, Brighton, BN1 3HH
- May 2012ExtensionFullOutcome in report
Replacement of existing double glazed aluminium sliding doors with timber framed single glazed French doors at rear basement level.
- Council
- Montpelier And Clifton Hill
New Windows- Documents
- 17 docs on file
- Reference
- BH2012/00836
- More recent applications — locked
- ConditionsJan 2013Decision
- RenovationMay 2012Decision
Unlock 3a, Powis Square, Brighton, BN1 3HH's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (3 on record)
- All 3 applications on this property in full, plus 23 notable nearby
- The 38 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
3a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£352,000
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 3HH: £282,500 (2025–2025).
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
£350,000Basement Flat Rear, 1 Powis Square, Brighton, BN1 3HH
Sold Jun 2025
£147,500
Versus other Powis Square homes
Habitable Rooms for 3a runs comfortably ahead of the street norm.
EPC Rating
70 (C)
Street avg 64 (D)
Floor Area
64 m²
Street avg 51 m²
CO₂ Emissions
2.8 t/year
Street avg 2.8 t/year
Habitable Rooms
3 rooms
Street avg 2 rooms
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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







