1 Mayes Lane Cottages, Mayes Lane, Warnham, Horsham, RH12 3SG
About 1 Mayes Lane Cottages
1 Mayes Lane Cottages is a semi-detached house in Warnham, Horsham, Horsham (RH12 3SG). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (May 2019) shows a D (score 58), a step below the typical UK home. When first surveyed in March 2009 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average, window efficiency went from Very Poor to Average and lighting went from Average to Very Good; while hot-water efficiency dropped from Poor to Very Poor. The recommended improvements would push it to C (score 74). Main heating runs on electricity. At 47 m² this is the 6th smallest of 8 units on EPC record in the building, where floor areas span 42–94 m². The building's EPC ratings span E to C across 8 units on file.
At 47 m² it sits well below the postcode median (82 m² across 24 EPCs), making it one of the more compact homes locally. One historical planning record sits against the property in 2022.
Know exactly what you're buying at 1 Mayes Lane Cottages
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Single glazing replaced with double or better glazing
Cavity wall insulation installed
More low energy lighting installed
Planning history
- Nov 2022ConversionOutlineIn report
Conversion of 2no dwellings into 1no single dwelling with no external alterations (Lawful Development Certificate - Proposed).
- Agent
- dowsettmayhew Planning Partnership
- Documents
- 10 docs on file
- Reference
- DC/22/1853
We flagged 1 thing worth checking at 1 Mayes Lane Cottages
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
1 Mayes Lane Cottages has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£192,000
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).
Everything we know about 1 Mayes Lane Cottages, 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
Habitable Rooms for 1 Mayes Lane Cottages lags the street by a wide margin.
EPC Rating
58 (D)
Street avg 56 (D)
Floor Area
47 m²
Street avg 76 m²
CO₂ Emissions
3.9 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
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