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47a, Underdown Road, Southwick, Brighton, BN42 4HN

Property type
Semi-detached
Floor 1st
Habitable rooms
3
From EPC
Floor area
50 m²
538 sq ft
Energy rating
C
Score 72
Council tax
Band B
Tenure
Owner Occupied
Overview

About 47a

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

47a is a semi-detached house in Southwick, Brighton, Brighton (BN42 4HN). It has a recorded floor area of 50 m² (around 538 sq ft), construction records dating it to before 1900 and council tax band B. At 50 m² this is the 4th smallest of 41 units on EPC record in the building, where floor areas span 42–174 m². The building's EPC ratings span F to C, with this unit at the top. The latest certificate (August 2020) shows a C (score 72). When first surveyed in May 2011 the rating was E, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Average and hot-water efficiency went from Average to Good.

At 50 m² it's 28.9% smaller than the typical home in the postcode (70 m² median across 40 EPCs). Its energy rating outperforms most of the postcode (better than 85% of similar EPCs). Across 2012–2020, sale prices on this property compounded at 5.5% per year. On a £-per-square-foot basis, the last sale (£511/sq ft) was about 122.8% above the typical sold price in the postcode. Sold December 2020 for £275,000.

Before you decide

Everything you need to know about 47a

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

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Current Certificate(1 of 3)
Aug 2020

EPC Rating

A
B
C
C72
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
1.9 t/year
Occupancy
Owner Occupied

Property Improvements

Changes detected from historical EPC data

Apr 2012from May 2011
EPC improved fromE44toC76
Heating Controls
Prog + StatFull

Heating controls upgraded for better temperature management

Hot Water
Main (No Stat)Main System

Hot water system upgraded

Windows
AverageGood

Window efficiency improved

Walls
PoorGood

Wall insulation improved

Roof Insulation
UninsulatedInsulated

Roof insulation improved

Low Energy Lighting
83%0%

Low energy lighting percentage decreased

Aug 2020from Apr 2012
Low Energy Lighting
0%100%

More low energy lighting installed

SDL Surveying

Get a survey for this property

Level 3 Building Survey

Victorian-era1st Floor FlatEPC CPre-1919 buildSolid (non-cavity) walls

Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.

From £885 · Includes VAT

Planning

Planning history

Applications and permits filed against 47a, Underdown Road, Southwick, Brighton, BN42 4HN, sourced from the PlanIt planning register.

47a has no planning applications on record.

2

But the area is active

2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

The latest sale landed in the post-pandemic price surge — useful context when reading the figure.

Current estimate

£263,000

Modelled from EPC, postcode comparables and a sale-price growth of 5.5% per year over 8 years.

See how we calculated this
Last sold (2020)

£275,000

Growth on file: 5.5% per year over 8 years.

Sales timeline

  1. 2 December 2020Most recent

    £275,000

    +57.1%over 8 years

  2. 28 June 2012

    £175,000

Median price across the last 5 sales in BN42 4HN: £432,000 (2025–2021).

On the street

Versus other Underdown Road homes

Four headline reads against 21 similar flats on this street, drawn from the latest EPC and Land Registry data.

Price per m² for 47a runs comfortably ahead of the street norm.

Price per m²

£5,500

Street avg £2,342

Strongly above

Floor Area

50 m²

Street avg 62 m²

Strongly below

Habitable Rooms

3 rooms

Street avg 3 rooms

On par

CO₂ Emissions

1.9 t/year

Street avg 3.3 t/year

Strongly above
Before you decide

Everything you need to know about 47a

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

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£267k

1 Esmere House, The Green, Southwick

BN42 4DE

£283k

1 Colebrook Road, Southwick

BN42 4AL

1 bed
£289k

1 Green Court, The Green, Southwick

BN42 4GS

2 bed
£230k

1 Grange Court, Southwick

BN42 4DX

£301k

1 Amelia Close, Southwick

BN42 4AJ

2 bed2 bath
£314k

1 Green Mews, The Green, Southwick

BN42 4DZ

£195k

1 Channel View, Whiterock Place, Southwick

BN42 4AZ

£361k

1 Highdown, Southwick

BN42 4QT

Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Brighton district page.
Full Brighton report

Rail-style transport is unusually close for this postcode.

Crime

4/mo

Steady year-on-year across the wider district.

Nearest stop

0.2 km

St Theresa's Church — bus stop.

Closest school

0.5 km

Shoreham Academy. 16 schools nearby.

Go deeper on the local area

A Local Area report breaks down crime, transport links, schools and air quality in depth.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around BN42 4HN from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for BN42 4HN

Daytime· 07:00 – 23:00

52.3dB

Low
Night-time road noise heatmap for BN42 4HN

Night-time· 23:00 – 07:00

42.3dB

Low
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 47a, Underdown Road, Southwick, Brighton, BN42 4HN. Each answer is also embedded as structured data for search engines.