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Get started1 Knapp Cottages is a two-bedroom semi-detached house in Askerswell, Dorchester, Dorchester (DT2 9EN). It has a recorded floor area of 77 m² (around 829 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (June 2025) shows an E (score 52), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since May 2010. Between certificates, lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Very Poor and hot-water efficiency dropped from Average to Very Poor. The recommended improvements would lift it to B (score 82), a 3-band jump. Main heating runs on wood logs.
Held since October 2010 — that's 16 years off the open market, well above the local norm. Sale prices here have outpaced England HPI: 11.6% per year against 0% for the wider region. Today's modelled estimate of £446,000 is 22.2% above the 2010 sale price. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved.
1 Knapp Cottages's carbon output is low for the local stock.
1 Knapp Cottages has 2 separate extension applications on the council record.
Extension: Rear of property
Erect rear extension
Sale price has grown by over 3x since 1999.
£446,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.6% per year over 12 years.
£365,000
Growth on file: 11.6% per year over 12 years.
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
1/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km

Daytime· 07:00 – 23:00
47.3dB

Changes detected from historical EPC data
Heating system changed
Heating controls upgraded for better temperature management
Hot water system changed
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Remove canopy & erect extension. Install roof light
21 October 2010Most recent
£365,000
+265.0%over 11 years8 January 1999
£100,000
Median price across the last 5 sales in DT2 9EN: £530,000 (2023–2006).
DT2 9LE
Parsons lane — bus stop.
Night-time· 23:00 – 07:00
37.6dB
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