Flat 1, 11 Denmark Terrace, Brighton, BN1 3AN
About Flat 1
Flat 1 is a mid-terrace house in Brighton (BN1 3AN). It has a recorded floor area of 35 m² (around 377 sq ft), construction records dating it to before 1900 and council tax band A. At 35 m² this is the 7th smallest of 12 units on EPC record in the building, where floor areas span 25–37 m². The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (March 2020) shows a D (score 60), on the cusp of jumping into the C band. The rating has held steady at D across 4 certificates since September 2009. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Good to Very Good; while hot-water efficiency dropped from Good to Average and main heating dropped from Good to Average. The recommended improvements would lift it to B (score 81), a 2-band jump. Main heating runs on electricity.
At 35 m² it sits well below the postcode median (56 m² across 157 EPCs), making it one of the more compact homes locally. Across 1998–2024, sale prices on this property compounded at 2.7% per year. On a £-per-square-foot basis, the last sale (£823/sq ft) was about 200.2% above the typical sold price in the postcode. Most recent transfer: July 2024 at £310,000.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 9 March 2030
Property Improvements
Changes detected from historical EPC data
Heating system changed
Changed to a more efficient fuel source
Heating controls changed
Hot water system changed
Low energy lighting percentage decreased
Replaced storage heaters with gas boiler
Connected to mains gas supply
Heating controls upgraded for better temperature management
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
Heating controls changed
Hot water system changed
Wall insulation improved
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
Flat 1 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
Sale price has at least doubled since 1998.
£300,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.7% per year over 26 years.
£310,000
Growth on file: 2.7% per year over 26 years.
Sales timeline
18 July 2024Most recent
£310,000
+10.7%over 5 years17 April 2019
£280,000
+12.0%over 11 years20 November 2007
£250,000
+33.0%over 3 years15 September 2004
£188,000
+21.3%over 1 year28 May 2003
£155,000
+32.5%over 2 years22 November 2000
£117,000
+112.7%over 1 year19 April 1999
£55,000
-64.5%over 8 months31 August 1998
£155,000
Median price across the last 5 sales in BN1 3AN: £298,000 (2026–2026).
Nearby sales in BN1 3AN
Flat 2, 10 Denmark Terrace, Brighton, BN1 3AN
Sold Jun 2026
£335,000Flat 8, 16 Denmark Terrace, Brighton, BN1 3AN
Sold Apr 2026
£155,000Flat 4, 15 Denmark Terrace, Brighton, BN1 3AN
Sold Mar 2026
£220,000Flat 4, 17 Denmark Terrace, Brighton, BN1 3AN
Sold Feb 2026
£598,000Flat 1, 7 Denmark Terrace, Brighton, BN1 3AN
Sold Feb 2026
£298,000
Versus other Denmark Terrace homes
Flat 1 outperforms the street on price per m² by a wide margin.
Price per m²
£8,857
Street avg £4,620
Floor Area
35 m²
Street avg 57 m²
Habitable Rooms
1 rooms
Street avg 2 rooms
CO₂ Emissions
3.5 t/year
Street avg 2.7 t/year
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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
Park Royal — bus stop.
Closest school
0.4 km
St Mary Magdalen Catholic Primary School. 34 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
53.8dB

Night-time· 23:00 – 07:00
43.4dB







