Mayes Park House, Flat 5, Mayes Lane, Warnham, Horsham, RH12 3SG
About Mayes Park House
Mayes Park House is an end-of-terrace house in Warnham, Horsham, Horsham (RH12 3SG). It has a recorded floor area of 42 m² (around 452 sq ft), construction records dating it to before 1900 and council tax band B. At 42 m² this is the smallest unit on EPC record across Mayes Park House (42–163 m²). The building's EPC ratings span E to C, with this unit at the top. On EPC score it ranks first in the building (71 versus a worst of 39). The latest certificate (November 2021) shows a C (score 71). When first surveyed in February 2018 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Poor to Average and main heating went from Very Poor to Average; while window efficiency dropped from Good to Average. Main heating runs on electricity.
At 42 m² it sits well below the postcode median (82 m² across 26 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 73% of similar EPCs).
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system upgraded to a more efficient system
Hot water efficiency improved
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
Mayes Park House has no planning applications on record.
But the area is active
10 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Mayes Park House has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£191,000
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 4 sales in RH12 3SG: £2,375,000 (2022–2016).
Versus other Mayes Lane homes
EPC Rating for Mayes Park House runs comfortably ahead of the street norm.
EPC Rating
71 (C)
Street avg 55 (D)
Floor Area
42 m²
Street avg 75 m²
CO₂ Emissions
2.9 t/year
Street avg 4.5 t/year
Habitable Rooms
2 rooms
Street avg 3 rooms
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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
0.8 km
Tylden House — bus stop.
Closest school
1.4 km
Warnham CofE Primary School. 1 school 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
43.0dB

Night-time· 23:00 – 07:00
36.1dB







