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Get startedThe Barn is a detached house in Hemel Hempstead (HP1 3AF). It has a recorded floor area of 154 m² (around 1658 sq ft), construction records dating it to 1976-1982 and council tax band G. The latest certificate (October 2013) shows a D (score 58), a step below the typical UK home. The recommended improvements would push it to C (score 80). The latest certificate is from October 2013, so improvements made since then won't be reflected.
Sale prices here have outpaced England HPI: 2.7% per year against 0% for the wider region. Today's modelled estimate of £650,000 is 26.2% above the 2019 sale price. At 154 m² the property is well over the postcode median (46 m² across 20 EPCs), placing it in the larger end of the local stock. 3 planning records sit against the property, 3 approved, 0 refused. Past consents include new windows, meaningful when judging how the property has evolved. The record references listed-building consent, which constrain future alterations. Sold July 2019 for £515,000.
The Barn's carbon output runs well above what efficient homes in the postcode produce.
This certificate is over 10 years old and is no longer valid.Expired 23 Oct 2023
The Barn has a listed-building consent on record — alterations to a listed property are tightly controlled.
Kitchen replacement, including removal of ceiling/part of loft and establishment of in keeping beam features, to match lounge. Removal of non-structural wall between lounge and kitchen. Re-positioning of door to bedroom 4. Off kitchen to be filled in and new door opening added to bedroom from landing.
The Barn valuation sits well clear of the typical sold price in this postcode.
£650,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.7% per year over 5 years.
£515,000
Growth on file: 2.7% per year over 5 years.
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Detailed AI analysis
The Barn outperforms the street on floor area by a wide margin.
Price per m²
£3,344
Street avg £4,200
Floor Area
154 m²
Street avg 61 m²
Habitable Rooms
6 rooms
Crime
16/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
The Old Town Hall — bus stop.

Daytime· 07:00 – 23:00
53.7dB

Replace all windows and door with double glazing and like for like styling.
1 more application for this property
Join to see all planning history.
5 July 2019Most recent
£515,000
+14.4%over 4 years9 July 2014
£450,000
Median price across the last 5 sales in HP1 3AF: £245,000 (2022–2021).
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Street avg 3 rooms
CO₂ Emissions
6.8 t/year
Street avg 3.8 t/year
HP1 3RR
Closest school
0.2 km
George Street Primary School. 34 schools nearby.
Night-time· 23:00 – 07:00
43.5dB