Mayes Park House, Flat 1, 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 153 m² (around 1647 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (May 2026) shows an E (score 50), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since March 2011. Between certificates, wall efficiency went from Very Poor to Poor and hot-water efficiency went from Very Poor to Good; while window efficiency dropped from Good to Poor and lighting dropped from Average to Poor. The recommended improvements would lift it to C (score 78), a 2-band jump. Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition.
At 153 m² the property is well over the postcode median (82 m² across 26 EPCs), placing it in the larger end of the local stock.
Everything you need to know about Mayes Park House
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 26 May 2036
Property Improvements
Changes detected from historical EPC data
Heating system changed
Changed to a more efficient fuel source
Hot water system upgraded
Wall insulation improved
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has been extended more than once, and has no mains gas supply, we believe a Level 3 building survey should be considered.
From £1,085 · 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.
£530,000
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
On co₂ emissions, Mayes Park House stands well clear of the street.
EPC Rating
50 (E)
Street avg 56 (D)
Floor Area
153 m²
Street avg 244 m²
CO₂ Emissions
3.2 t/year
Street avg 7.2 t/year
Habitable Rooms
5 rooms
Street avg 5 rooms
Everything you need to know about Mayes Park House
The true value, the hidden risks and the full sale history, in one report.
Pick your report · from £14.99
One time fee only - money back guarantee
The data behind every report
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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
276/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