Flat 1, 20 West Street, Horsham, RH12 1PB
About Flat 1
Flat 1 is a one-bedroom mid-terrace house in Horsham (RH12 1PB). It has a recorded floor area of 77 m² (around 829 sq ft) and construction records dating it to before 1900. Tenure is freehold. The latest certificate (December 2022) shows an E (score 49), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 60). Main heating runs on electricity.
At 77 m² it's 18.5% larger than the typical home in the postcode (65 m² median across 10 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 70% of similar EPCs). Today's modelled estimate of £217,000 is 17.3% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£223/sq ft) was about 40% below the postcode norm. Sold July 2024 for £185,000.
What this property has
Inside
- Bedrooms1
- Bathrooms1
Building
- TenureFreehold
- Central heatingYes
- RefurbishedYes
Energy performance
Flat 1's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
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
Flat 1 has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Latest sale on Flat 1 was the lowest on Land Registry record across the postcode.
£217,000
Modelled from EPC, postcode comparables.
£185,000
Recorded with HM Land Registry.
Sales timeline
7 July 2024Most recent
£185,000
Median price across the last 5 sales in RH12 1PB: £235,000 (2025–2019).
Nearby sales in RH12 1PB
Flat 1, 29 West Street, Horsham, RH12 1PB
Sold May 2025
£235,000Flat 2, 20 West Street, Horsham, RH12 1PB
Sold Dec 2023
£285,000Flat 2, 29 West Street, Horsham, RH12 1PB
Sold Nov 2023
£220,00020 West Street, Horsham, RH12 1PB
Sold Jan 2020
£500,000Flat 3, 29 West Street, Horsham, RH12 1PB
Sold Nov 2019
£205,000
Versus other West Street homes
On price per m², Flat 1 runs well behind the street norm.
Price per m²
£2,403
Street avg £3,912
Floor Area
77 m²
Street avg 68 m²
CO₂ Emissions
6.3 t/year
Street avg 2.9 t/year
Years Held
2 years
Street avg 3 years
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Bus Station — bus stop.
Closest school
0.4 km
St Mary's CofE (Aided) Primary School. 17 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
50.4dB

Night-time· 23:00 – 07:00
41.6dB







