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Get startedGaddesden Hall is a detached house in Water End, Hemel Hempstead, Hemel Hempstead (HP1 3BB). It has a recorded floor area of 584 m² (around 6286 sq ft) and construction records dating it to before 1900. The latest certificate (July 2022) shows an F (score 31), near the bottom of the EPC scale. The recommended improvements would push it to E (score 48). Main heating runs on oil.
At 584 m² the property is well over the postcode median (139 m² across 5 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 11 planning records sit against the property, 11 approved, 0 refused. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved.
Gaddesden Hall sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
Gaddesden Hall has been through 11 approved planning applications — a well-evolved property.
Details as required by condition 3 (Materials) of planning permission 20/00417/LBC (construction of timber orangery to replace existing conservatory and window reinstatement)
Gaddesden Hall has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£2,208,000
Modelled from EPC, postcode comparables.
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Everything we know about this property, compiled into one in-depth, downloadable report.
On epc rating, Gaddesden Hall runs well behind the street norm.
EPC Rating
31 (F)
Street avg 71 (C)
Floor Area
584 m²
Street avg 135 m²
CO₂ Emissions
37.0 t/year
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
16/mo
Steady year-on-year across the wider district.
Nearest stop
0.6 km

Daytime· 07:00 – 23:00
44.3dB

Construction of timber orangery to replace existing conservatory and window re-instatement.
9 more applications for this property
Join to see all planning history.
Median price across the last 5 sales in HP1 3BB: £599,950 (2022–2020).
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Street avg 4.4 t/year
Habitable Rooms
13 rooms
Street avg 6 rooms
HP1 3RR
The Red Lion PH — bus stop.
Closest school
1.3 km
Galley Hill Primary School and Nursery. 18 schools nearby.
Night-time· 23:00 – 07:00
37.5dB