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Get started9 St Margarets is a semi-detached house in Great Gaddesden, Hemel Hempstead, Hemel Hempstead (HP1 3BZ). It has a recorded floor area of 228 m² (around 2454 sq ft), construction records dating it to before 1900 and council tax band G. The latest certificate (June 2022) shows an E (score 40), well below the UK norm with real room to improve. When first surveyed in September 2015 the rating was G, the property has climbed 2 bands since. Between certificates, window efficiency went from Average to Good, hot-water efficiency went from Poor to Average and lighting went from Very Poor to Very Good. Main heating runs on oil.
Sale prices here have outpaced England HPI: 5.1% per year against 0% for the wider region. Today's modelled estimate of £985,000 is 22.4% above the 2016 sale price. At 228 m² the property is well over the postcode median (151 m² across 11 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 73% of similar EPCs). 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. On the market in March 2016 and unlisted since — roughly 10 years.
9 St Margarets's carbon output runs well above what efficient homes in the postcode produce.
9 St Margarets has 2 separate extension applications on the council record.
Extension: Single storey · Rear of property
Alterations to existing single storey rear extension including enlargement of window, infilling door and window, insertion of three roof lights above flat roof and internal partition Alterations.
9 St Margarets valuation sits well clear of the typical sold price in this postcode.
£985,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.1% per year over 13 years.
£805,000
Growth on file: 5.1% per year over 13 years.
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On epc rating, 9 St Margarets runs well behind the street norm.
Price per m²
£3,531
Street avg £4,454
Floor Area
228 m²
Street avg 208 m²
Habitable Rooms
7 rooms
Street avg 7 rooms
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
0.8 km

Daytime· 07:00 – 23:00
42.6dB

Changes detected from historical EPC data
Hot water efficiency improved
Window efficiency improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Extension: Single storey · Rear of property
Alterations to existing single storey rear extension including enlargement of window, infilling door and window, insertion of three roof lights above flat roof and internal partition alterations
11 March 2016Most recent
£805,000
+19.3%over 8 years29 October 2007
£675,000
+59.6%over 4 years21 March 2003
£423,000
Median price across the last 5 sales in HP1 3BZ: £1,145,500 (2023–2018).
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CO₂ Emissions
13.0 t/year
Street avg 5.9 t/year
HP1 3RR
Church Meadow — bus stop.
Closest school
0.7 km
Great Gaddesden Church of England Primary School. 2 schools nearby.
Night-time· 23:00 – 07:00
35.6dB