Warnham Lodge Farm, Mayes Lane, Warnham, Horsham, RH12 3SG
About Warnham Lodge Farm
Warnham Lodge Farm is a detached house in Warnham, Horsham, Horsham (RH12 3SG). It has a recorded floor area of 702 m² (around 7556 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (August 2018) shows an E (score 52), well below the UK norm with real room to improve. When first surveyed in October 2009 the rating was F, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Average, roof efficiency went from Very Poor to Good and lighting went from Poor to Average. The recommended improvements would push it to D (score 62). Main heating runs on oil.
Today's modelled estimate of £389,000 is 89.9% below the 2021 sale of £3,850,000, below the original sale price, which typically signals condition or completion-status changes worth verifying. On a £-per-square-foot basis, the last sale (£510/sq ft) was about 113.3% above the typical sold price in the postcode. At 702 m² the property is well over the postcode median (80 m² across 24 EPCs), placing it in the larger end of the local stock. 13 planning records sit against the property, 7 approved, 5 refused. Past consents include change of use to residential and an annexe, meaningful when judging how the property has evolved. Last sale on file: £3,850,000 in November 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at Warnham Lodge Farm
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
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Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
Warnham Lodge Farm's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Wall insulation improved
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
Windows upgraded, improving insulation
Roof insulation improved
Planning history
Warnham Lodge Farm has been through 7 approved planning applications — a well-evolved property.
- Oct 2021ConditionsIn report
Approval of details reserved by conditions 3, 4, 6, 7, 8 and 9 on application DC/21/0436.
- Agent
- Border Oak
- Documents
- 16 docs on file
- Reference
- DISC/21/0230
- May 2021ConditionsIn report
Variation of condition 1 of planning permission DC/20/0667 (Demolition existing residential accommodation and barn. Erection of 1No. dwelling). Amendment to siting of dwelling and provision of related levels and landscaping.
- Agent
- Border Oak
- Documents
- 6 docs on file
- Reference
- DC/21/0436
We flagged 1 thing worth checking at Warnham Lodge Farm
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
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Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£389,000
Modelled from EPC, postcode comparables.
£3,850,000
Recorded with HM Land Registry.
Sales timeline
17 November 2021Most recent
£3,850,000
Median price across the last 3 sales in RH12 3SG: £900,000 (2022–2016).
Everything we know about Warnham Lodge Farm, 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 Mayes Lane homes
Warnham Lodge Farm outperforms the street on floor area by a wide margin.
EPC Rating
52 (E)
Street avg 60 (D)
Floor Area
702 m²
Street avg 200 m²
CO₂ Emissions
26.0 t/year
Street avg 4.9 t/year
Habitable Rooms
11 rooms
Street avg 5 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
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
43.0dB

Night-time· 23:00 – 07:00
36.1dB