South Barn, Marches Road, Warnham, Horsham, RH12 3SL
About South Barn
South Barn is a four-bedroom detached house in Warnham, Horsham, Horsham (RH12 3SL). It has a recorded floor area of 196 m² (around 2115 sq ft), construction records dating it to 1996-2002 and council tax band G. The latest certificate (February 2009) shows an F (score 25), near the bottom of the EPC scale. Main heating runs on lpg. The latest certificate is from February 2009, so improvements made since then won't be reflected. Period features are noted in the property record.
At 196 m² the property is well over the postcode median (101 m² across 13 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 85% of similar EPCs). 2 planning records sit against the property, 1 approved, 1 refused. Past consents include a garage conversion and an annexe, meaningful when judging how the property has evolved. 10 years since the last transfer (March 2016). Across 2005–2016, sale prices on this property compounded at 2.4% per year. Today's modelled estimate of £928,000 is 20.5% above the 2016 sale price.
Know exactly what you're buying at South Barn
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
- Bedrooms4
- Bathrooms2
Outside
- Private gardenYes
Building
- Period featuresYes
Energy performance
South Barn's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 10 Feb 2019
EPC Rating
Planning history
Council records show a subdivision application — the property's legal arrangement has been altered.
- Feb 2009Garage ConversionFullIn report
Conversion of garage to form 1 bedroom annexe
- Agent
- LPR Design
Annex- Documents
- 10 docs on file
- Reference
- DC/08/2553
- Jul 2008Garage ConversionAmendmentIn report
Conversion of garage to form 1 no. bedroom self contained flat
Subdivision- Documents
- 11 docs on file
- Reference
- DC/08/0977
We flagged 1 thing worth checking at South Barn
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
South Barn valuation sits well clear of the typical sold price in this postcode.
£928,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.4% per year over 10 years.
£770,000
Growth on file: 2.4% per year over 10 years.
Sales timeline
7 March 2016Most recent
£770,000
+32.8%over 6 years29 October 2009
£580,000
-3.3%over 4 years18 October 2005
£600,000
Median price across the last 5 sales in RH12 3SL: £771,500 (2024–2005).
Nearby sales in RH12 3SL
Balmohano Farmhouse, Marches Road, Warnham, Horsham, RH12 3SL
Sold Aug 2024
£1,240,000Marches Cottage, Marches Road, Warnham, Horsham, RH12 3SL
Sold Feb 2010
£498,900Marches Barn, Marches Road, Warnham, Horsham, RH12 3SL
Sold Feb 2010
£771,500Marches Farm, Marches Road, Warnham, Horsham, RH12 3SL
Sold Oct 2005
£417,500
Everything we know about South Barn, 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 Marches Road homes
EPC Rating for South Barn lags the street by a wide margin.
Price per m²
£3,919
Street avg £3,856
Floor Area
196 m²
Street avg 140 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
8.1 t/year
Street avg 6.4 t/year
Similar properties nearby
1 Benlands Cottages, Northlands Road, Warnham
RH12 3SQ
1 Bell Road, Warnham
RH12 3QJ
1 Chantler Lane, Broadbridge Heath
RH12 3TW
1 Buckhurst Cottages, Church Street, Rudgwick
RH12 3EZ
1 Barley Mews, Rudgwick
RH12 3XL
1 Brookhurst Field, Foxholes, Rudgwick
RH12 3DQ
1 Buck Way, Broadbridge Heath
RH12 3UH
1 Arundene Cottage, Loxwood Road, Rudgwick
RH12 3BT
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
0.7 km
Northlands Home Farm — bus stop.
Closest school
2.0 km
Warnham CofE Primary School. 1 school 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
43.6dB

Night-time· 23:00 – 07:00
36.1dB