Firstone House is a two-bedroom end-of-terrace house in Mayfield (TN20 6EJ). It has a recorded floor area of 77 m² (around 829 sq ft), construction records dating it to before 1900 and council tax band C. At 77 m² this is the 7th 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 (June 2024) shows a D (score 68), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 76).
Held since October 2009 — that's 17 years off the open market, well above the local norm. Across the public record there are 4 sales, relatively high churn for a single property. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Sale prices here have outpaced England HPI: 7.7% per year against 0% for the wider region. Today's modelled estimate of £214,000 sits 62.1% above the 2009 sale of £132,000. On a £-per-square-foot basis, the last sale (£159/sq ft) was about 28.7% below the postcode norm. At 77 m² it sits well below the postcode median (134 m² across 23 EPCs), making it one of the more compact homes locally.
No planning applications are recorded against Firstone House, Flat 1, Stone Cross, Mayfield, TN20 6EJ. The full report also covers planning activity across the surrounding area.
Full planning data for Firstone House, Flat 1, Stone Cross, Mayfield, TN20 6EJ
Every application and decision on this property and nearby, in full, in the report.
Sale price has at least doubled since 1999.
£214,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.7% per year over 11 years.
£132,000
Growth on file: 7.7% per year over 11 years.
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On years held, Firstone House stands well clear of the street.
Price per m²
£1,714
Street avg £2,683
Floor Area
77 m²
Street avg 68 m²
Habitable Rooms
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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Unlock the certificate's suggested upgrades and estimated costs in the full report
21 October 2009Most recent
£132,000
+5.6%over 5 years31 October 2003
£125,000
+52.4%over 3 years15 February 2000
£82,000
+37.8%over 1 year2 February 1999
£59,500
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
3.6 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