20 Ash Road, Southwater, Horsham, RH13 9EJ
About 20 Ash Road
20 Ash Road is a three-bedroom mid-terrace house in Southwater, Horsham, Horsham (RH13 9EJ). It has a recorded floor area of 104 m² (around 1119 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (April 2022) shows an F (score 38), near the bottom of the EPC scale. Earlier certificates rated it D (June 2011); the latest reading is 2 bands lower. Between certificates, window efficiency went from Average to Good and lighting went from Poor to Good; while wall efficiency dropped from Good to Poor and roof efficiency dropped from Average to Very Poor. The recommended improvements would lift it to B (score 83), a 4-band jump. Main heating runs on electricity.
At 104 m² it's 21.6% larger than the typical home in the postcode (86 m² median across 22 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Last sold in May 2018, so it's been off the market for around 8 years. Across the public record there are 5 sales, relatively high churn for a single property. Across 2007–2018, sale prices on this property compounded at 6.3% per year. Today's modelled estimate of £332,000 is 14.5% above the 2018 sale price.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
- CloakroomYes
Outside
- Private gardenYes
- GarageYes
Building
- Heating systemElectric
Energy performance
20 Ash Road sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Certificate validity
Valid until 25 April 2032
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Window efficiency improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
20 Ash Road has no planning applications on record.
But the area is active
4 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
20 Ash Road has more than doubled in price since the earliest registered sale in 2007.
£332,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.3% per year over 11 years.
£290,000
Growth on file: 6.3% per year over 11 years.
Sales timeline
31 May 2018Most recent
£290,000
+20.8%over 3 years4 June 2014
£240,000
+9.1%over 1 year11 October 2012
£219,950
+4.7%over 5 years30 September 2007
£210,000
+44.8%over 8 months23 January 2007
£145,000
Median price across the last 5 sales in RH13 9EJ: £356,000 (2024–2021).
Nearby sales in RH13 9EJ
21 Ash Road, Southwater, Horsham, RH13 9EJ
Sold Dec 2024
£372,50010 Ash Road, Southwater, Horsham, RH13 9EJ
Sold May 2023
£356,00029 Ash Road, Southwater, Horsham, RH13 9EJ
Sold Feb 2023
£350,0007 Ash Road, Southwater, Horsham, RH13 9EJ
Sold Mar 2022
£380,00034 Ash Road, Southwater, Horsham, RH13 9EJ
Sold May 2021
£343,000
Versus other Ash Road homes
20 Ash Road is notably below the street on epc rating.
Price per m²
£2,788
Street avg £3,160
Floor Area
104 m²
Street avg 84 m²
Habitable Rooms
6 rooms
Street avg 4 rooms
CO₂ Emissions
7.0 t/year
Street avg 3.6 t/year
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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
118/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Ash Road — bus stop.
Closest school
0.7 km
Southwater Infant Academy. 4 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
46.1dB

Night-time· 23:00 – 07:00
37.9dB







