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Get started21 Halliday Close is a two-bedroom end-of-terrace house in Shenley, Radlett, Radlett (WD7 9JZ). It has a recorded floor area of 61 m² (around 657 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (December 2025) shows a D (score 67), on the cusp of jumping into the C band. Earlier certificates rated it C (December 2025); the latest reading is one band lower. Between certificates, window efficiency went from Poor to Average; while wall efficiency dropped from Good to Poor. The recommended improvements would push it to C (score 78). This certificate was lodged in the last six months, so the rating reflects current condition.
It hasn't traded since December 2007, a hold of 18 years that's notably long for the area. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Today's modelled estimate of £378,000 sits 517.1% above the 2007 sale of £61,250. On a £-per-square-foot basis, the last sale (£93/sq ft) was about 68.9% below the postcode norm.
The EPC has just been inspected, so the rating reflects current condition.
21 Halliday Close's modelled value sits at over four times its earliest registered sale price (2007).
£378,000
Modelled from EPC, postcode comparables.
£61,250
Recorded with HM Land Registry.
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EPC Rating for 21 Halliday Close lags the street by a wide margin.
Price per m²
£1,004
Street avg £3,907
Floor Area
61 m²
Street avg 64 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km

Daytime· 07:00 – 23:00
47.6dB

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Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
Loft insulation upgraded to recommended levels
Are we missing something? Tell us about home improvements to help adjust your valuation.
19 December 2007Most recent
£61,250
Median price across the last 5 sales in WD7 9JZ: £432,000 (2025–2023).
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CO₂ Emissions
2.6 t/year
Street avg 2.4 t/year
WD7 9JQ
Cockle Way — bus stop.
Closest school
0.9 km
Clore Shalom School. 6 schools nearby.
Night-time· 23:00 – 07:00
39.1dB