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 26 EPCs), making it one of the more compact homes locally. One historical planning record sits against the property in 2022.
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
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
1 application on record at 1 Mayes Lane Cottages, Mayes Lane, Warnham, Horsham, RH12 3SG
- Nov 2022ConversionOutlineOutcome in report
Conversion of 2no dwellings into 1no single dwelling with no external alterations (Lawful Development Certificate - Proposed).
- Documents
- 10 docs on file
- Reference
- DC/22/1853
Unlock 1 Mayes Lane Cottages, Mayes Lane, Warnham, Horsham, RH12 3SG's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 10 notable nearby
- The 10 documents, officer reports & conditions
- What the pattern means for extending or converting here
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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).
Versus other Mayes Lane homes
EPC Rating
58 (D)
Street avg 56 (D)
Floor Area
47 m²
Street avg 75 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
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







