20 Downside, Brighton, BN1 5EQ
About 20 Downside
20 Downside is a five-bedroom semi-detached house in Brighton (BN1 5EQ). It has a recorded floor area of 135 m² (around 1453 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (January 2020) returns a B (score 82), comfortably above the UK average. When first surveyed in March 2015 the rating was D, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Very Good, window efficiency went from Average to Good and hot-water efficiency went from Good to Very Good. The property has solar panels on record, all of which lower running costs and tend to lift resale appeal. Other recorded features include notable views and outbuildings. Records show the property has been extended at some point in its history.
3 planning records sit against the property, 0 approved, 2 refused, 1 pending. An active application for tree works is awaiting a decision. At 135 m² it's 28.6% larger than the typical home in the postcode (105 m² median across 8 EPCs). On energy efficiency it sits in the top 10% of properties in this postcode. Across 1995–2020, sale prices on this property compounded at 9.4% per year. Today's modelled estimate of £709,000 is 13.4% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£430/sq ft) was about 25.9% above the typical sold price in the postcode. Most recent transfer: April 2020 at £625,000.
What this property has
Inside
- Bedrooms5
- Bathrooms3
- Dining roomYes
- CloakroomYes
- FireplaceYes
Outside
- Private gardenYes
- OutbuildingsYes
- Notable viewsYes
Building
- Solar panelsYes
- Previously extendedYes
- RefurbishedYes
Everything you need to know about 20 Downside
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
20 Downside ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
Windows upgraded, improving insulation
Roof insulation improved
More low energy lighting installed
Solar water heating installed
Get a survey for this property
Level 3 Building Survey
Because the property has permanent outbuildings, we believe a Level 3 building survey should be considered.
From £1,220 · Includes VAT
Planning history
3 applications on record at 20 Downside, Brighton, BN1 5EQ
- Oct 2015New BuildFullOutcome in report
Erection of 1no three bedroom detached dwelling (C3).
- Documents
- 21 docs on file
- Reference
- BH2015/01864
- More recent applications — locked
- Tree WorksOct 2016Decision
- New BuildFeb 2016Decision
Unlock 20 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 (2 on record)
- All 3 applications on this property in full, plus 9 notable nearby
- The 40 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
20 Downside has more than quadrupled in price since its earliest registered sale in 1995.
£709,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.4% per year over 24 years.
£625,000
Growth on file: 9.4% per year over 24 years.
Sales timeline
13 April 2020Most recent
£625,000
+56.3%over 4 years29 January 2016
£399,950
+483.9%over 20 years17 October 1995
£68,500
Median price across the last 5 sales in BN1 5EQ: £510,000 (2025–2019).
Versus other Downside homes
On epc rating, 20 Downside stands well clear of the street.
Price per m²
£4,630
Street avg £4,110
Floor Area
135 m²
Street avg 112 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
2.3 t/year
Street avg 5.5 t/year
Everything you need to know about 20 Downside
The true value, the hidden risks and the full sale history, in one report.
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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






