79a, Underdown Road, Southwick, Brighton, BN42 4HN
About 79a
79a is an end-of-terrace house in Southwick, Brighton, Brighton (BN42 4HN). It has a recorded floor area of 58 m² (around 624 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (December 2025) shows a D (score 56), a step below the typical UK home. When first surveyed in May 2022 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Good to Very Good and hot-water efficiency went from Very Poor to Poor; while window efficiency dropped from Average to Poor and lighting dropped from Very Good to Good. The recommended improvements would push it to C (score 76). Main heating runs on electricity.
At 58 m² it's 17.5% smaller than the typical home in the postcode (70 m² median across 40 EPCs).
Energy performance
79a's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 1 December 2035
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Wall insulation improved
Roof insulation improved
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has no mains gas supply, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
79a has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
79a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£206,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in BN42 4HN: £432,000 (2025–2021).
Nearby sales in BN42 4HN
Warren Court, Flat 2, Underdown Road, Southwick, Brighton, BN42 4HN
Sold Feb 2025
£265,00025 Underdown Road, Southwick, Brighton, BN42 4HN
Sold Mar 2024
£432,00027a, Underdown Road, Southwick, Brighton, BN42 4HN
Sold Aug 2023
£290,00069 Underdown Road, Southwick, Brighton, BN42 4HN
Sold Jun 2022
£496,00021 Underdown Road, Southwick, Brighton, BN42 4HN
Sold Dec 2021
£445,000
Versus other Underdown Road homes
79a outperforms the street on co₂ emissions by a wide margin.
EPC Rating
56 (D)
Street avg 60 (D)
Floor Area
58 m²
Street avg 62 m²
CO₂ Emissions
1.2 t/year
Street avg 3.3 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
Similar properties nearby
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BN42 4AL
1 Esmere House, The Green, Southwick
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1 Amelia Close, Southwick
BN42 4AJ
1 Green Court, The Green, Southwick
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1 Green Mews, The Green, Southwick
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1 Highdown, Southwick
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
45/mo
Falling 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.
Road noise across the postcode

Daytime· 07:00 – 23:00
52.3dB

Night-time· 23:00 – 07:00
42.3dB







