Flat 9, 15 Denmark Terrace, Brighton, BN1 3AN
About Flat 9
Flat 9 is a mid-terrace house in Brighton (BN1 3AN). It has a recorded floor area of 32 m² (around 344 sq ft), construction records dating it to before 1900 and council tax band A. At 32 m² this is the 3rd smallest of 11 units on EPC record in the building, where floor areas span 25–61 m². The building's EPC ratings span E to D, with this unit at the bottom. The latest certificate (April 2025) shows an E (score 43), well below the UK norm with real room to improve. Earlier certificates rated it D (April 2018); the latest reading is one band lower. Between certificates, lighting went from Good to Very Good; while wall efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 82), a 3-band jump. Main heating runs on electricity.
A recent sale: £120,000 in May 2025. At 32 m² it sits well below the postcode median (56 m² across 157 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 85% of similar EPCs). One planning record on file: new windows approved in 2024. Past consents include new windows, meaningful when judging how the property has evolved. Across 1996–2025, sale prices on this property compounded at 7.1% per year. Today's modelled estimate of £156,000 is 30% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£348/sq ft) was about 29.1% above the typical sold price in the postcode.
Everything you need to know about Flat 9
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
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 £820 · Includes VAT
Planning history
1 application on record at Flat 9, 15 Denmark Terrace, Brighton, BN1 3AN
- Apr 2024RenovationFullOutcome in report
Replacement of existing windows to front elevation including internal redesign and all associated works.
New Windows- Documents
- 8 docs on file
- Reference
- BH2024/00573
Unlock Flat 9, 15 Denmark Terrace, Brighton, BN1 3AN's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 23 notable nearby
- The 8 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Price for Flat 9 has grown more than fourfold since the 1996 starting point.
£156,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.1% per year over 29 years.
£120,000
Growth on file: 7.1% per year over 29 years.
Sales timeline
21 May 2025Most recent
£120,000
+605.9%over 28 years19 September 1996
£17,000
Median price across the last 5 sales in BN1 3AN: £250,000 (2025–2025).
Nearby sales in BN1 3AN
Flat 8, 12 Denmark Terrace, Brighton, BN1 3AN
Sold Aug 2025
£155,00022a, Denmark Terrace, Brighton, BN1 3AN
Sold May 2025
£320,000Flat 3, 17 Denmark Terrace, Brighton, BN1 3AN
Sold Mar 2025
£325,000Flat 5, 2 Denmark Terrace, Brighton, BN1 3AN
Sold Feb 2025
£180,000Flat 2, 10 Denmark Terrace, Brighton, BN1 3AN
Sold Feb 2025
£250,000
Versus other Denmark Terrace homes
On years held, Flat 9 runs well behind the street norm.
Price per m²
£3,750
Street avg £4,515
Floor Area
32 m²
Street avg 57 m²
Habitable Rooms
1 rooms
Street avg 2 rooms
CO₂ Emissions
2.8 t/year
Street avg 2.8 t/year
Everything you need to know about Flat 9
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
Rail-style transport is unusually close for this postcode.
Crime
21/mo
Steady 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






