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Get startedTop Flat is a semi-detached house in Bushey (WD23 3ND). It has a recorded floor area of 40 m² (around 431 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (July 2015) shows an E (score 53), well below the UK norm with real room to improve. Earlier certificates rated it D (October 2009); the latest reading is one band lower. Between certificates, roof efficiency went from Average to Good. The recommended improvements would lift it to C (score 74), a 2-band jump. The latest certificate is from July 2015, so improvements made since then won't be reflected.
Sale prices here have outpaced England HPI: 6.7% per year against 0% for the wider region. Today's modelled estimate of £235,000 is 23.7% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£441/sq ft) was about 49.5% above the typical sold price in the postcode. At 40 m² it sits well below the postcode median (76 m² across 15 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 73% of similar EPCs). Last changed hands 10 years ago, in February 2016.
Recommended upgrades on file would lift this property by multiple EPC bands.
This certificate is over 10 years old and is no longer valid.Expired 08 Jul 2025
Sale price has grown by over 3x since 1998.
£235,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.7% per year over 18 years.
£190,000
Growth on file: 6.7% per year over 18 years.
On epc rating, Top Flat runs well behind the street norm.
Price per m²
£4,750
Street avg £4,545
Floor Area
40 m²
Street avg 40 m²
Habitable Rooms
1 rooms
Street avg 2 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
0.3 km

Daytime· 07:00 – 23:00
49.1dB

Changes detected from historical EPC data
Windows upgraded, improving insulation
Roof insulation improved
Are we missing something? Tell us about home improvements to help adjust your valuation.
19 February 2016Most recent
£190,000
+216.7%over 17 years26 June 1998
£60,000
Median price across the last 5 sales in WD23 3ND: £540,000 (2024–2018).
CO₂ Emissions
3.1 t/year
Street avg 2.3 t/year
WD23 3FN
Herkomer Road — bus stop.
Closest school
0.3 km
Little Reddings Primary School. 22 schools nearby.
Night-time· 23:00 – 07:00
39.6dB
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