Harlington is a semi-detached house in Mayfield (TN20 6BW). It has a recorded floor area of 64 m² (around 689 sq ft) and construction records dating it to before 1900. At 64 m² this is the largest unit on EPC record across Harlington (43–64 m²). The latest certificate (July 2025) shows a D (score 66), on the cusp of jumping into the C band. When first surveyed in November 2008 the rating was F, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Very Poor to Poor; while window efficiency dropped from Good to Poor. The recommended improvements would push it to C (score 77).
Sale prices here have outpaced England HPI: 4.1% per year against 0% for the wider region. Today's modelled estimate of £243,000 is 35.8% above the 2012 sale price. At 64 m² it sits well below the postcode median (177 m² across 15 EPCs), making it one of the more compact homes locally. 14 years since the last transfer (July 2012).
No planning applications are recorded against Harlington, Flat, Station Road, Mayfield, TN20 6BW. The full report also covers planning activity across the surrounding area.
Full planning data for Harlington, Flat, Station Road, Mayfield, TN20 6BW
Every application and decision on this property and nearby, in full, in the report.
Harlington valuation runs notably under the typical sold price in this postcode.
£243,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.1% per year over 11 years.
£179,000
Growth on file: 4.1% per year over 11 years.
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EPC Rating for Harlington runs comfortably ahead of the street norm.
Price per m²
£2,797
Street avg £2,989
Floor Area
64 m²
Street avg 125 m²
Habitable Rooms
3 rooms
Street avg 5 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
Wall insulation improved
More low energy lighting installed
30 July 2012Most recent
£179,000
+27.9%over 8 years3 December 2003
£140,000
+21.7%over 2 years24 July 2001
£115,000
Median price across the last 5 sales in TN20 6BW: £975,000 (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
2.4 t/year
Street avg 9.5 t/year
TN20 6AG
Church — bus stop.
Closest school
0.6 km
Mayfield Church of England Primary School. 1 school nearby.
Night-time· 23:00 – 07:00
41.0dB