Green Diamond, Flat 33, Bartholomew Square, Brighton, BN1 1JS
About Green Diamond
Green Diamond is a one-bedroom semi-detached house in Brighton (BN1 1JS). It has a recorded floor area of 37 m² (around 398 sq ft) and council tax band C. The property has underfloor heating on record, all of which lower running costs and tend to lift resale appeal. Other recorded features include notable views and a self-contained annexe. At 37 m² this is the 8th smallest of 40 units on EPC record in Green Diamond, where floor areas span 26–185 m². The building's EPC ratings span D to B across 40 units on file. The latest certificate (February 2016) shows a C (score 72). Main heating runs on electricity: electricity, unspecified tariff. The latest certificate is from February 2016, so improvements made since then won't be reflected.
Today's modelled estimate of £303,000 is 13.4% below the 2016 sale of £350,000, running counter to the wider postcode trend, which makes the EPC and condition history especially worth a look. On a £-per-square-foot basis, the last sale (£879/sq ft) was about 214.1% above the typical sold price in the postcode. 10 years since the last transfer (June 2016). At 37 m² it's 24.5% smaller than the typical home in the postcode (49 m² median across 39 EPCs).
What this property has
Inside
- Bedrooms1
- Bathrooms1
- Open-plan layoutYes
Outside
- Notable viewsYes
Building
- Central heatingYes
- Underfloor heatingYes
- LiftYes
- ConciergeYes
Everything you need to know about Green Diamond
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Green Diamond's carbon output is low for the local stock.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 19 Feb 2026
EPC Rating
Get a survey for this property
Level 2 HomeBuyer Report
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Planning history
Green Diamond 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
£303,000
Modelled from EPC, postcode comparables.
£350,000
Recorded with HM Land Registry.
Sales timeline
20 June 2016Most recent
£350,000
Median price across the last 3 sales in BN1 1JS: £250,000 (2022–2016).
Versus other Bartholomew Square homes
CO₂ Emissions for Green Diamond lags the street by a wide margin.
EPC Rating
72 (C)
Street avg 75 (C)
Floor Area
37 m²
Street avg 51 m²
CO₂ Emissions
1.5 t/year
Street avg 0.5 t/year
Everything you need to know about Green Diamond
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

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The neighbourhood at a glance
Crime
21/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Pool Valley Coach Station — bus station.
Closest school
0.2 km
Middle Street Primary School. 22 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
58.5dB

Night-time· 23:00 – 07:00
49.0dB






