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Get startedOld Forge Cottage is a detached house in Dunsmore, Aylesbury, Aylesbury (HP22 6QJ). It has a recorded floor area of 289 m² (around 3111 sq ft) and construction records dating it to before 1900. The latest certificate (October 2024) shows an E (score 50), well below the UK norm with real room to improve. Earlier certificates rated it D (September 2012); the latest reading is one band lower. Between certificates, lighting went from Poor to Very Good; while wall efficiency dropped from Poor to Very Poor and hot-water efficiency dropped from Good to Average. The recommended improvements would lift it to C (score 72), a 2-band jump. Main heating runs on oil.
Sale prices here have outpaced England HPI: 5.3% per year against 0% for the wider region. Today's modelled estimate of £1,734,000 is 25.2% above the 2020 sale price. At 289 m² the property is well over the postcode median (176 m² across 5 EPCs), placing it in the larger end of the local stock. Last sale on file: £1,385,000 in January 2020. Across the public record there are 4 sales, relatively high churn for a single property. 2 planning records sit against the property, 1 approved, 1 refused.
Old Forge Cottage's carbon output runs well above what efficient homes in the postcode produce.
Council records include a part-single-part-two-storey side extension at Old Forge Cottage.
Application for approval of details subject to condition 2 of planning appeal approval K0425/A/08/2069497 following planning refusal application 07/07696/FUL
Sale price has grown by over 3x since 1998.
£1,734,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.3% per year over 22 years.
£1,385,000
Growth on file: 5.3% per year over 22 years.
On price per m², Old Forge Cottage runs well behind the street norm.
Price per m²
£4,792
Street avg £5,427
Floor Area
289 m²
Street avg 217 m²
Habitable Rooms
11 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
1.4 km

Daytime· 07:00 – 23:00
41.9dB

Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Extension: Part single, part two storey · Side of property
Erection of part single/part two storey side & single storey side extensions & raising of existing roof to match new
10 January 2020Most recent
£1,385,000
+13.1%over 5 years24 July 2014
£1,225,000
+59.0%over 12 years29 November 2001
£770,500
+72.2%over 3 years7 January 1998
£447,499
Median price across the last 5 sales in HP22 6QJ: £915,000 (2021–2018).
Street avg 6 rooms
CO₂ Emissions
13.0 t/year
Street avg 8.9 t/year
HP22 6NH
London Road — bus stop.
Night-time· 23:00 – 07:00
35.4dB
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