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 £327,000 is 12.8% 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
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.
£327,000
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
3/mo
Steady 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







