21 21a, Compton Road, Brighton, BN1 5AL
About 21 21a
21 21a is a mid-terrace house in Brighton (BN1 5AL). It has a recorded floor area of 54 m² (around 581 sq ft) and construction records dating it to 1900-1929. The latest certificate (March 2017) shows a C (score 69), just inside the C band. When first surveyed in September 2010 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Poor to Average and lighting went from Poor to Good.
At 54 m² it sits well below the postcode median (97 m² across 54 EPCs), making it one of the more compact homes locally. Across 1996–2022, sale prices on this property compounded at 8.8% per year. On a £-per-square-foot basis, the last sale (£573/sq ft) was about 113% above the typical sold price in the postcode. Most recent transfer: March 2022 at £333,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Everything you need to know about 21 21a
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
More low energy lighting installed
Windows upgraded, improving insulation
Wall insulation improved
Low energy lighting percentage decreased
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
21 21a has no planning applications on record.
But the area is active
9 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Price for 21 21a has grown more than fourfold since the 1996 starting point.
£340,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.8% per year over 26 years.
£333,000
Growth on file: 8.8% per year over 26 years.
Sales timeline
30 March 2022Most recent
£333,000
+33.7%over 7 years26 June 2014
£249,000
+207.4%over 12 years2 April 2002
£81,000
+113.2%over 5 years23 June 1996
£38,000
Median price across the last 5 sales in BN1 5AL: £700,000 (2025–2023).
Nearby sales in BN1 5AL
Versus other Compton Road homes
On price per m², 21 21a stands well clear of the street.
Price per m²
£6,167
Street avg £3,618
Floor Area
54 m²
Street avg 59 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.2 t/year
Street avg 2.5 t/year
Everything you need to know about 21 21a
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
0.1 km
Church of the Good Shepherd — bus stop.
Closest school
0.4 km
Stanford Infant School. 39 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
51.5dB

Night-time· 23:00 – 07:00
41.2dB






