20a, Robert Street, Brighton, BN1 4AH
About 20a
20a is a mid-terrace house in Brighton (BN1 4AH). It has a recorded floor area of 66 m² (around 710 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (December 2025) shows a C (score 74). The rating has held steady at C across 4 certificates since December 2008. Between certificates, lighting went from Very Poor to Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to B (score 81). This certificate was lodged in the last six months, so the rating reflects current condition.
Held since May 2002 — that's 24 years off the open market, well above the local norm. Today's modelled estimate of £338,000 sits 275.8% above the 2002 sale of £89,950. On a £-per-square-foot basis, the last sale (£127/sq ft) was about 65.1% below the postcode norm. One historical planning record sits against the property in 2024.
Everything you need to know about 20a
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Hot water efficiency decreased
Heating controls upgraded for better temperature management
More low energy lighting installed
More low energy lighting installed
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
1 application on record at 20a, Robert Street, Brighton, BN1 4AH
- Jul 2024RenovationFullOutcome in report
Removal of rear chimney (Retrospective).
Retrospective- Documents
- 12 docs on file
- Reference
- BH2024/01315
Unlock 20a, Robert Street, Brighton, BN1 4AH'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- Every decision — granted, refused or withdrawn (1 on record)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 29 notable nearby
- The 12 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
20a's estimated value is more than triple its earliest registered sale price (2002).
£338,000
Modelled from EPC, postcode comparables.
£89,950
Recorded with HM Land Registry.
Sales timeline
22 May 2002Most recent
£89,950
Median price across the last 5 sales in BN1 4AH: £550,000 (2024–2022).
Nearby sales in BN1 4AH
Versus other Robert Street homes
20a outperforms the street on floor area by a wide margin.
Price per m²
£1,363
Street avg £4,185
Floor Area
66 m²
Street avg 46 m²
Habitable Rooms
3 rooms
Street avg 2 rooms
CO₂ Emissions
1.9 t/year
Street avg 2.2 t/year
Everything you need to know about 20a
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
The data behind every report
Similar properties nearby
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
0.1 km
North Laine — bus stop.
Closest school
0.4 km
Carlton Hill Primary School. 28 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
56.9dB
Night-time· 23:00 – 07:00
46.8dB