Firstone House is a two-bedroom semi-detached house in Mayfield (TN20 6EJ). It has a recorded floor area of 125 m² (around 1345 sq ft), construction records dating it to 1991-1995 and council tax band D. The latest certificate (November 2019) shows a C (score 77), near the top of the C band. The rating has held steady at C across 2 certificates since October 2009. Between certificates, lighting went from Very Poor to Poor. The home occupies a cul-de-sac position.
Sale prices here have outpaced England HPI: 9.2% per year against 0% for the wider region. Today's modelled estimate of £261,000 is 42.6% above the 2012 sale price. On a £-per-square-foot basis, the last sale (£136/sq ft) was about 39.1% below the postcode norm. 14 years since the last transfer (May 2012). Across the public record there are 4 sales, relatively high churn for a single property.
No planning applications are recorded against Firstone House, Flat 9, Stone Cross, Mayfield, TN20 6EJ. The full report also covers planning activity across the surrounding area.
Full planning data for Firstone House, Flat 9, Stone Cross, Mayfield, TN20 6EJ
Every application and decision on this property and nearby, in full, in the report.
Sale price has grown by over 3x since 1998.
£261,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.2% per year over 14 years.
£183,000
Growth on file: 9.2% per year over 14 years.
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On price per m², Firstone House runs well behind the street norm.
Price per m²
£1,464
Street avg £2,719
Floor Area
125 m²
Street avg 61 m²
Habitable Rooms
4 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
49.9dB

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Changes detected from historical EPC data
Heating controls upgraded for better temperature management
31 May 2012Most recent
£183,000
+10.2%over 1 year25 February 2011
£166,000
+14.5%over 8 years16 August 2002
£145,000
+163.6%over 3 years22 October 1998
£55,000
Median price across the last 5 sales in TN20 6EJ: £850,000 (2025–2023).
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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Street avg 3 rooms
CO₂ Emissions
3.0 t/year
Street avg 2.5 t/year
TN20 6EJ
Aylwards House — bus stop.
Closest school
1.0 km
Mayfield Church of England Primary School. 2 schools nearby.
Night-time· 23:00 – 07:00
41.4dB