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Get started51 Cobden Hill is a detached house in Radlett (WD7 7JL). It has a recorded floor area of 221 m² (around 2379 sq ft), construction records dating it to 1900-1929 and council tax band G. The latest certificate (September 2018) shows a C (score 74). When first surveyed in February 2017 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Good, window efficiency went from Poor to Good and hot-water efficiency went from Average to Good. The recommended improvements would push it to B (score 81).
Sale prices here have outpaced England HPI: 10.9% per year against 0% for the wider region. Today's modelled estimate of £1,726,000 is 35.9% above the 2021 sale price. At 221 m² the property is well over the postcode median (89 m² across 22 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 73% of similar EPCs). 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and a porch, meaningful when judging how the property has evolved. Sold September 2021 for £1,270,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Extension: Rear of property
Two storey rear extension and erection of side dormer (Certificate of Lawful Development Proposed)
Latest sale on 51 Cobden Hill was the highest on Land Registry record across the postcode.
£1,726,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.9% per year over 4 years.
£1,270,000
Growth on file: 10.9% per year over 4 years.
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51 Cobden Hill outperforms the street on floor area by a wide margin.
Price per m²
£5,747
Street avg £5,480
Floor Area
221 m²
Street avg 114 m²
Habitable Rooms
8 rooms
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 km
Craigweil Avenue — bus stop.

Daytime· 07:00 – 23:00
48.4dB

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Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Windows upgraded, improving insulation
Wall insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Erection of new front porch, first floor front/side extension and alterations to existing fenestrations.
9 September 2021Most recent
£1,270,000
+51.2%over 3 years15 September 2017
£840,000
Median price across the last 5 sales in WD7 7JL: £915,000 (2024–2021).
Detailed EPC data
Full energy ratings, history and recommendations
Full planning history
Every application and decision on record
Plus much more
Comparable sales, transport, crime, schools and more

Street avg 5 rooms
CO₂ Emissions
5.9 t/year
Street avg 4.8 t/year
WD7 7BL
Closest school
0.6 km
Newberries Primary School. 7 schools nearby.
Night-time· 23:00 – 07:00
39.6dB