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Get started177 Dashwood Avenue is a one-bedroom detached house in High Wycombe (HP12 3DB). It has a recorded floor area of 200 m² (around 2153 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (October 2022) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since May 2017. Between certificates, roof efficiency went from Average to Good; while wall efficiency dropped from Very Good to Good. The recommended improvements would push it to C (score 70). Main heating runs on electricity.
It hasn't traded since November 2003, a hold of 22 years that's notably long for the area. Sale prices here have outpaced England HPI: 10.6% per year against 0% for the wider region. Today's modelled estimate of £689,000 sits 170.2% above the 2003 sale of £255,000. On a £-per-square-foot basis, the last sale (£118/sq ft) was about 36.3% below the postcode norm. At 200 m² the property is well over the postcode median (92 m² across 11 EPCs), placing it in the larger end of the local stock. 4 planning records sit against the property, 3 approved, 1 refused. Past consents include HMO conversion, an extension and a loft conversion, meaningful when judging how the property has evolved.
Change of use form C4 (6-bed HMO) to Sui Generis (7-bed HMO) with internal alterations (retrospective)
177 Dashwood Avenue's modelled value sits at over four times its earliest registered sale price (1997).
£689,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.6% per year over 7 years.
£255,000
Growth on file: 10.6% per year over 7 years.
177 Dashwood Avenue is notably below the street on price per m².
Price per m²
£1,275
Street avg £2,900
Floor Area
200 m²
Street avg 112 m²
Habitable Rooms
8 rooms
Crime
8/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Dashwood Avenue — bus stop.

Daytime· 07:00 – 23:00
50.7dB

Changes detected from historical EPC data
Loft insulation upgraded to recommended levels
Ventilation system changed
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Extension: Two storey · Rear of property
Householder application for the raising of the roof and construction of a two storey rear extension and insertion of rear roof terrace in connection with loft conversion
2 more applications for this property
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28 November 2003Most recent
£255,000
+96.2%over 6 years21 March 1997
£130,000
Median price across the last 5 sales in HP12 3DB: £316,500 (2025–2014).
Street avg 6 rooms
CO₂ Emissions
5.6 t/year
Street avg 5.5 t/year
HP12 3QQ
Closest school
0.4 km
Millbrook Combined School. 16 schools nearby.
Night-time· 23:00 – 07:00
40.7dB
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