Little Haven is a four-bedroom detached house in Mayfield (TN20 6EB). It has a recorded floor area of 180 m² (around 1938 sq ft) and construction records dating it to 1950-1966. The latest certificate (June 2025) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since October 2011. Between certificates, roof efficiency went from Good to Very Good, hot-water efficiency went from Average to Good and lighting went from Poor to Good; while wall efficiency dropped from Good to Average. The recommended improvements would push it to C (score 76).
Sale prices here have outpaced England HPI: 8.6% per year against 0% for the wider region. Today's modelled estimate of £850,000 is 32.8% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£330/sq ft) was about 16.2% above the typical sold price in the postcode. One planning record on file: a loft conversion approved in 2016. Past consents include a loft conversion, meaningful when judging how the property has evolved. At 180 m² it's 19.2% larger than the typical home in the postcode (151 m² median across 12 EPCs). 10 years since the last transfer (October 2016).
Little Haven's carbon output runs well above what efficient homes in the postcode produce.
CONVERSION OF ROOF VOID TO PROVIDE BEDROOM AND BATHROOM WITH TWO NEW REAR FACING DORMER WINDOWS.
Little Haven valuation sits well clear of the typical sold price in this postcode.
£850,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.6% per year over 5 years.
£640,000
Growth on file: 8.6% per year over 5 years.
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On co₂ emissions, Little Haven runs well behind the street norm.
Price per m²
£3,556
Street avg £4,068
Floor Area
180 m²
Street avg 154 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km

Daytime· 07:00 – 23:00
49.0dB

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Changes detected from historical EPC data
Hot water efficiency improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
Full planning data for Little Haven, Roselands Avenue, Mayfield, TN20 6EB
Every application and decision on this property and nearby, in full, in the report.
28 October 2016Most recent
£640,000
+48.8%over 4 years12 January 2012
£430,000
Median price across the last 5 sales in TN20 6EB: £750,000 (2024–2022).
Detailed EPC data
Full energy ratings, history and recommendations
Full planning history
Every application and decision on record
Comparable sales data
Plus transport, crime, schools and air quality
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CO₂ Emissions
7.2 t/year
Street avg 5.7 t/year
TN20 6TL
Rothermead — bus stop.
Closest school
1.3 km
Mayfield Church of England Primary School. 2 schools nearby.
Night-time· 23:00 – 07:00
40.7dB