18 Downside, Brighton, BN1 5EQ
About 18 Downside
18 Downside is a three-bedroom semi-detached house in Brighton (BN1 5EQ). It has a recorded floor area of 108 m² (around 1163 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (August 2015) shows a D (score 55), a step below the typical UK home. The rating has held steady at D across 2 certificates since March 2015. Between certificates, window efficiency dropped from Average to Poor and lighting dropped from Average to Very Poor. The recommended improvements would lift it to B (score 81), a 2-band jump. The latest certificate is from August 2015, so improvements made since then won't be reflected. Other recorded features include notable views. Our model identifies extension potential, subject to local planning policy.
One planning record on file: a loft conversion approved in 2007. Past consents include a loft conversion, meaningful when judging how the property has evolved. Across 2001–2024, sale prices on this property compounded at 5.8% per year. On a £-per-square-foot basis, the last sale (£473/sq ft) was about 51.9% above the typical sold price in the postcode. Last sale on file: £550,000 in July 2024.
What this property has
Inside
- Bedrooms3
- Bathrooms1
Outside
- Private gardenRear
- GarageDetached
- Notable viewsYes
Building
- RefurbishedYes
- Extension potentialPossible
Everything you need to know about 18 Downside
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
18 Downside's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 20 Aug 2025
EPC Rating
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Planning history
1 application on record at 18 Downside, Brighton, BN1 5EQ
- Sept 2007Loft ConversionOutlineOutcome in report
Certificate of Lawfulness for proposed loft conversion.
- Documents
- 7 docs on file
- Reference
- BH2007/02746
Unlock 18 Downside, Brighton, BN1 5EQ'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- Every decision — granted, refused or withdrawn (1 on record)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 9 notable nearby
- The 7 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Sale price has grown by over 3x since 2001.
£545,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.8% per year over 23 years.
£550,000
Growth on file: 5.8% per year over 23 years.
Sales timeline
30 July 2024Most recent
£550,000
+269.1%over 23 years19 April 2001
£149,000
Median price across the last 5 sales in BN1 5EQ: £510,000 (2025–2019).
Versus other Downside homes
Price per m² for 18 Downside runs comfortably ahead of the street norm.
Price per m²
£5,093
Street avg £4,044
Floor Area
108 m²
Street avg 116 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
6.8 t/year
Street avg 4.9 t/year
Everything you need to know about 18 Downside
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
Crime
21/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Top of Copse Hill — bus stop.
Closest school
0.4 km
Westdene Primary School. 24 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
51.6dB
Night-time· 23:00 – 07:00
42.0dB