21a, Chatsworth Road, Brighton, BN1 5DB
About 21a
21a is a five-bedroom semi-detached house in Brighton (BN1 5DB). It has a recorded floor area of 162 m² (around 1744 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (November 2018) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 83), a 2-band jump. Period features are noted in the property record.
At 162 m² the property is well over the postcode median (55 m² across 81 EPCs), placing it in the larger end of the local stock. One planning record on file: a loft conversion approved in 2014. Past consents include a loft conversion, meaningful when judging how the property has evolved. Across 2005–2019, sale prices on this property compounded at 5.8% per year. Today's modelled estimate of £970,000 is 14.1% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£487/sq ft) was about 28.9% above the typical sold price in the postcode. Last sale on file: £850,000 in October 2019.
What this property has
Inside
- Bedrooms5
- Bathrooms2
- Open-plan layoutYes
- Dining roomYes
Outside
- Private gardenYes
Building
- Central heatingYes
- Period featuresYes
- RefurbishedYes
Energy performance
21a's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Certificate validity
Valid until 29 November 2028
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.
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Planning history
1 application on record at 21a, Chatsworth Road, Brighton, BN1 5DB
- Nov 2014Loft ConversionOutlineOutcome in report
Certificate of lawfulness for proposed loft conversion incorporating hip to gable roof extension, dormer to rear elevation and front rooflights.
- Documents
- 4 docs on file
- Reference
- BH2014/03032
Unlock 21a, Chatsworth Road, Brighton, BN1 5DB'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- Every decision — granted, refused or withdrawn (1 on record)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 8 notable nearby
- The 4 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Sale price has at least doubled since 2005.
£970,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.8% per year over 14 years.
£850,000
Growth on file: 5.8% per year over 14 years.
Sales timeline
10 October 2019Most recent
£850,000
+127.3%over 14 years19 April 2005
£374,000
Median price across the last 5 sales in BN1 5DB: £328,000 (2026–2022).
Nearby sales in BN1 5DB
Ground Floor Flat, 5 Chatsworth Road, Brighton, BN1 5DB
Sold Feb 2026
£328,00029 Chatsworth Road, Brighton, BN1 5DB
Sold Sept 2025
£1,485,0001 Chatsworth Road, Brighton, BN1 5DB
Sold Nov 2024
£760,000Flat 5, 32 Chatsworth Road, Brighton, BN1 5DB
Sold Sept 2024
£215,000Flat 2, 9 Chatsworth Road, Brighton, BN1 5DB
Sold May 2022
£315,000
Versus other Chatsworth Road homes
On epc rating, 21a stands well clear of the street.
Price per m²
£5,247
Street avg £4,410
Floor Area
162 m²
Street avg 172 m²
Habitable Rooms
8 rooms
Street avg 8 rooms
CO₂ Emissions
6.8 t/year
Street avg 10.5 t/year
Similar properties nearby
1 Coventry Street
BN1 5PP
1 Chatsworth Road
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BN1 5LD
1 Colebrook Cottages, Colebrook Road
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1 Exeter Street
BN1 5PG
1 Colebrook Road
BN1 5JH
1 Compton Road
BN1 5AL
1 Croft Road
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The neighbourhood at a glance
Crime
1110/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
BHASVIC — bus stop.
Closest school
0.1 km
Brighton Hove and Sussex Sixth Form College. 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
53.4dB

Night-time· 23:00 – 07:00
43.8dB







