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Get startedAdastra House is a four-bedroom detached house in Mannings Heath, Horsham, Horsham (RH13 6JE). It has a recorded floor area of 235 m² (around 2530 sq ft), construction records dating it to 1996-2002 and council tax band G. The latest certificate (July 2018) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since July 2018. The recommended improvements would push it to C (score 74). Main heating runs on oil. The home occupies a cul-de-sac position.
Sale prices here have outpaced Horsham HPI: 7.5% per year against 0% for the wider region. Today's modelled estimate of £878,000 is 17.9% above the 2019 sale price. At 235 m² the property is well over the postcode median (112 m² across 15 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 73% of similar EPCs). 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. Last sale on file: £745,000 in December 2019.
Adastra House's carbon output runs well above what efficient homes in the postcode produce.
2-storey extension providing garage and accommodation to Adastra House
Latest sale on Adastra House was the highest on Land Registry record across the postcode.
£878,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.5% per year over 18 years.
£745,000
Growth on file: 7.5% per year over 18 years.
Floor Area for Adastra House runs comfortably ahead of the street norm.
Price per m²
£3,170
Street avg £4,055
Floor Area
235 m²
Street avg 125 m²
Habitable Rooms
6 rooms
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
Church Road — bus stop.

Daytime· 07:00 – 23:00
45.8dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Are we missing something? Tell us about home improvements to help adjust your valuation.
Extension: Two storey
2-storey extension to provide accommodation and garage to Adastra House
18 December 2019Most recent
£745,000
+210.4%over 17 years17 September 2002
£240,000
+23.1%over 1 year29 June 2001
£195,000
Median price across the last 5 sales in RH13 6JE: £577,500 (2025–2019).
1 Jordan Cottages Church Road Mannings Heath Horsham
Sold Feb 2025
1 Crofton Cottages Church Road Mannings Heath Horsham
Sold Oct 2021
The Holly Barn Church Road Mannings Heath Horsham
Sold Jul 2020
1 North Cottages Church Road Mannings Heath Horsham
Sold May 2020
2 Dunston Cottages Church Road Mannings Heath Horsham
Sold Aug 2019
Street avg 6 rooms
CO₂ Emissions
7.4 t/year
Street avg 6.8 t/year
RH13 6SF
Closest school
2.0 km
Heron Way Primary School. 5 schools nearby.
Night-time· 23:00 – 07:00
38.5dB
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