Tarn Hows, Denne Park, Horsham, RH13 0AY
About Tarn Hows
Tarn Hows is a detached house in Horsham (RH13 0AY). It has a recorded floor area of 474 m² (around 5102 sq ft), construction records dating it to before 1900 and council tax band G. The latest certificate (June 2026) shows an E (score 42), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 65). Main heating runs on oil. This certificate was lodged in the last six months, so the rating reflects current condition.
At 474 m² the property is well over the postcode median (180 m² across 8 EPCs), placing it in the larger end of the local stock.
Energy performance
Tarn Hows's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Certificate validity
Valid until 7 June 2036
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, is a large detached home over 300m², and has no mains gas supply, we believe a Level 3 building survey should be considered.
From £1,945 · Includes VAT
Planning history
Tarn Hows has no planning applications on record.
But the area is active
6 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Tarn Hows has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£2,239,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in RH13 0AY: £1,160,000 (2025–2017).
Nearby sales in RH13 0AY
Eversfield, Denne Park, Horsham, RH13 0AY
Sold Dec 2025
£1,250,000Foleshill, Denne Park, Horsham, RH13 0AY
Sold Sept 2019
£1,160,000Bath House, Denne Park, Horsham, RH13 0AY
Sold Apr 2019
£1,225,000Denby Lodge, Denne Park, Horsham, RH13 0AY
Sold Feb 2017
£840,000Fir Tree House, Denne Park, Horsham, RH13 0AY
Sold Feb 2014
£830,000
Versus other Denne Park homes
On floor area, Tarn Hows stands well clear of the street.
EPC Rating
42 (E)
Street avg 44 (E)
Floor Area
474 m²
Street avg 181 m²
CO₂ Emissions
21.0 t/year
Street avg 7.5 t/year
Habitable Rooms
13 rooms
Street avg 7 rooms
Similar properties nearby
1 Brick Lane, Slinfold
RH13 0BE
1 Hillfield Cottages, Fulfords Road, Itchingfield
RH13 0NR
1 Churchyard Cottages, Clapgate Lane, Slinfold
RH13 0QU
1 Holmbush Cottages, Hayes Lane, Slinfold
RH13 0SL
1 Hayes Lane, Slinfold
RH13 0SQ
1 Bluecoat Pond, Christs Hospital
RH13 0NW
1 Hilltop Cottages, Denne Park
RH13 0AY
1 Fairlands Cottages, Annexe, Valewood Lane, Barns Green
RH13 0QJ
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
0.7 km
Salisbury Road — bus stop.
Closest school
1.1 km
St Mary's CofE (Aided) Primary School. 15 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
41.2dB

Night-time· 23:00 – 07:00
35.6dB







