Basement Flat, 3 Queen Square, Brighton, BN1 3FD
About Basement Flat
Basement Flat is a one-bedroom mid-terrace house in Brighton (BN1 3FD). It has a recorded floor area of 55 m² (around 592 sq ft) and construction records dating it to 1900-1929. The latest certificate (January 2025) shows an E (score 49), well below the UK norm with real room to improve. When first surveyed in January 2009 the rating was F, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Good. The recommended improvements would lift it to B (score 81), a 3-band jump. Main heating runs on electricity. Other recorded features include a balcony. Period features are noted in the property record.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1998–2022, sale prices on this property compounded at 7% per year. On a £-per-square-foot basis, the last sale (£448/sq ft) was about 56% above the typical sold price in the postcode. Sold October 2022 for £265,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms1
- Bathrooms1
Outside
- BalconyYes
Building
- Period featuresYes
- RefurbishedYes
Everything you need to know about Basement Flat
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

Energy performance
Basement Flat sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Upgraded to gas central heating
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
Single glazing replaced with double or better glazing
Low energy lighting percentage decreased
Heating system changed
Changed to a more efficient fuel source
Hot water system changed
Low energy lighting percentage decreased
Upgraded to gas central heating
Connected to mains gas supply
Hot water system upgraded
Single glazing replaced with double or better glazing
More low energy lighting installed
Heating system changed
Changed to a more efficient fuel source
Hot water system changed
Windows upgraded, improving insulation
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has no mains gas supply, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
Basement Flat 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 has more than quadrupled in price since its earliest registered sale in 1998.
£281,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.0% per year over 25 years.
£265,000
Growth on file: 7.0% per year over 25 years.
Sales timeline
17 October 2022Most recent
£265,000
+253.3%over 22 years22 November 1999
£75,000
+50.0%over 1 year23 February 1998
£50,000
Median price across the last 5 sales in BN1 3FD: £271,500 (2024–2017).
Nearby sales in BN1 3FD
Versus other Queen Square homes
EPC Rating for Basement Flat lags the street by a wide margin.
Price per m²
£4,818
Street avg £5,016
Floor Area
55 m²
Street avg 51 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
3.2 t/year
Street avg 2.3 t/year
Everything you need to know about Basement Flat
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

Similar properties nearby
1 2, Flat 14, Queen Square
BN1 3FD
1 2, Flat 5, Queen Square
BN1 3FD
126 128, Flat 1, Queens Road
BN1 3WB
126 128, Flat 17, Queens Road
BN1 3WB
126 128, Flat 4, Queens Road
BN1 3WB
10b, Basement Flat, Chatham Place
BN1 3TP
126 128, Flat 10, Queens Road
BN1 3WB
1 Basement Flat, 7 Compton Avenue
BN1 3PP
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
Imperial Arcade — bus stop.
Closest school
0.2 km
St Paul's CofE Primary School. 27 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
57.0dB

Night-time· 23:00 – 07:00
46.9dB






