The Haven is a detached house in Mayfield (TN20 6RA). It has a recorded floor area of 104 m² (around 1119 sq ft), construction records dating it to 1967-1975 and council tax band F. The latest certificate (March 2017) shows an E (score 45), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since June 2009. Between certificates, hot-water efficiency went from Average to Good, lighting went from Poor to Very Good and main heating went from Average to Good; while wall efficiency dropped from Good to Poor and roof efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 85), a 3-band jump.
3 planning records sit against the property, 2 approved, 1 refused. Past consents include an extension and an annexe, meaningful when judging how the property has evolved. Today's modelled estimate of £555,000 is 38.7% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£357/sq ft) was about 99.3% above the typical sold price in the postcode. Last sale on file: £400,000 in June 2019.
The Haven's carbon output runs well above what efficient homes in the postcode produce.
A an annexe application was refused at The Haven in 2023.
APPLICATION FOR APPROVAL OF DETAILS RESERVED BY CONDITION 6 ATTACHED TO WD/2024/1730/F
The Haven valuation sits well clear of the typical sold price in this postcode.
£555,000
Modelled from EPC, postcode comparables.
£400,000
Recorded with HM Land Registry.
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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
48.3dB

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Changes detected from historical EPC data
Hot water efficiency improved
More low energy lighting installed
Ventilation system changed
Extension: Single storey
UPWARD EXTENSION TO EXISTING SINGLE-STOREY DWELLING TOGETHER WITH SELF-CONTAINED ANNEXE AT GROUND FLOOR LEVEL. CHANGE OF USE OF GARAGE TO HOME OFFICE. LANDSCAPE CHANGES TO FRONTAGE TO ACHIEVE IMPROVED PARKING AND ACCESS FROM NEWICK LANE. NEW TERRACE TO FRONTAGE AND RELOCATION OF ACCESS GATES.
Full planning data for The Haven, Newick Lane, Mayfield, TN20 6RA
1 more on this property, plus every nearby application and full decision details, in the report.
10 June 2019Most recent
£400,000
Median price across the last 4 sales in TN20 6RA: £183,500 (2024–1995).
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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TN20 6JB
Cricket Ground — bus stop.
Closest school
1.0 km
Mayfield Church of England Primary School. 2 schools nearby.
Night-time· 23:00 – 07:00
40.0dB