3 Prewetts Mill Apartments, Mill Bay Lane, Horsham, RH12 1ST
About 3 Prewetts Mill Apartments
3 Prewetts Mill Apartments is a one-bedroom mid-terrace house in Horsham (RH12 1ST). It has a recorded floor area of 43 m² (around 463 sq ft). At 43 m² this is the 4th smallest of 6 units on EPC record in 3 Prewetts Mill Apartments, where floor areas span 30–74 m². The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (49 versus a best of 74). The home occupies a cul-de-sac position. The latest certificate (November 2017) shows an E (score 49), well below the UK norm with real room to improve. Main heating runs on electricity: electricity, unspecified tariff.
At 43 m² it's 23.2% smaller than the typical home in the postcode (56 m² median across 58 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 2019–2020, sale prices on this property compounded at -7.9% per year. Sold February 2020 for £210,000.
Know exactly what you're buying at 3 Prewetts Mill Apartments
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms1
- Bathrooms1
- Open-plan layoutYes
Outside
- Private gardenYes
- Parkingallocated
- Cul-de-sacYes
Building
- RefurbishedYes
Energy performance
3 Prewetts Mill Apartments sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Planning history
3 Prewetts Mill Apartments has no planning applications on record.
Notable planning nearby
1applications of note in the surrounding area
We flagged 1 thing worth checking at 3 Prewetts Mill Apartments
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
3 Prewetts Mill Apartments changed hands twice within eighteen months — unusual for the area.
£218,000
Modelled from EPC, postcode comparables and a sale-price growth of -7.9% per year over 1 year.
£210,000
Growth on file: -7.9% per year over 1 year.
Sales timeline
28 February 2020Most recent
£210,000
-8.7%over 1 year21 January 2019
£230,000
Median price across the last 5 sales in RH12 1ST: £267,300 (2025–2024).
Nearby sales in RH12 1ST
8 Prewetts Mill Apartments, Mill Bay Lane, Horsham, RH12 1ST
Sold Oct 2025
£215,00053 Prewetts Mill Apartments, Mill Bay Lane, Horsham, RH12 1ST
Sold Jun 2025
£285,00046 Prewetts Mill Apartments, Mill Bay Lane, Horsham, RH12 1ST
Sold Jun 2025
£327,50044 Prewetts Mill Apartments, Mill Bay Lane, Horsham, RH12 1ST
Sold Nov 2024
£267,30018 Prewetts Mill Apartments, Mill Bay Lane, Horsham, RH12 1ST
Sold Jul 2024
£210,000
Everything we know about 3 Prewetts Mill Apartments, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Mill Bay Lane homes
On epc rating, 3 Prewetts Mill Apartments runs well behind the street norm.
Price per m²
£4,884
Street avg £5,156
Floor Area
43 m²
Street avg 54 m²
CO₂ Emissions
2.7 t/year
Street avg 1.9 t/year
Years Held
6 years
Street avg 6 years
Similar properties nearby
2 Prewetts Mill Apartments, Mill Bay Lane
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1 Prewetts Mill Apartments, Mill Bay Lane
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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
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Cricketfield Road — bus stop.
Closest school
0.4 km
St Mary's CofE (Aided) Primary School. 15 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
49.7dB

Night-time· 23:00 – 07:00
40.8dB