Firstone House is a two-bedroom detached house in Mayfield (TN20 6EJ). It has a recorded floor area of 64 m² (around 686 sq ft), construction records dating it to 1900-1929 and council tax band C. At 64 m² this is the 6th smallest of 8 units on EPC record in Firstone House, where floor areas span 54–125 m². The building's EPC ratings span E to B across 8 units on file. The latest certificate (April 2009) shows a D (score 60), on the cusp of jumping into the C band. The latest certificate is from April 2009, so improvements made since then won't be reflected.
Held since February 2010 — that's 16 years off the open market, well above the local norm. Across the public record there are 5 sales, relatively high churn for a single property. Sale prices here have outpaced England HPI: 4% per year against 0% for the wider region. Today's modelled estimate of £225,000 sits 65.4% above the 2010 sale of £136,000. At 64 m² it sits well below the postcode median (134 m² across 23 EPCs), making it one of the more compact homes locally.
Firstone House's EPC is over a decade old — improvements since won't be reflected.
This certificate is over 10 years old and is no longer valid.Expired 08 Apr 2019
No planning applications are recorded against Firstone House, Flat 6, Stone Cross, Mayfield, TN20 6EJ. The full report also covers planning activity across the surrounding area.
Full planning data for Firstone House, Flat 6, Stone Cross, Mayfield, TN20 6EJ
Every application and decision on this property and nearby, in full, in the report.
Firstone House has changed hands more often than typical for the area.
£225,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.0% per year over 12 years.
£136,000
Growth on file: 4.0% per year over 12 years.
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On years held, Firstone House stands well clear of the street.
Price per m²
£2,134
Street avg £2,623
Floor Area
64 m²
Street avg 70 m²
Habitable Rooms
3 rooms
Street avg 3 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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26 February 2010Most recent
£136,000
-15.0%over 2 years26 October 2007
£160,000
+15.1%over 3 years27 May 2004
£139,000
+1.5%over 1 year30 January 2003
£137,000
+64.6%over 5 years30 September 1997
£83,250
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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CO₂ Emissions
3.8 t/year
Street avg 2.4 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