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Get started20 Tower Street is a three-bedroom semi-detached house in High Wycombe (HP13 5AX). It has a recorded floor area of 78 m² (around 840 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (September 2017) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 87), a 3-band jump. Other recorded features include a conservatory.
It hasn't traded since June 2009, a hold of 17 years that's notably long for the area. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Sale prices here have outpaced England HPI: 16.2% per year against 0% for the wider region. Today's modelled estimate of £336,000 sits 92% above the 2009 sale of £175,000. One planning record on file: an extension approved in 2013. Past consents include an extension, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 88% of similar EPCs).
Recommended upgrades on file would lift this property by multiple EPC bands.
Council records include a part-single-part-two-storey rear extension at 20 Tower Street.
Extension: Part single, part two storey · Rear of property
Householder application for construction of part two storey, part single storey rear extension and insertion of window at first floor level to side elevation
20 Tower Street has more than quadrupled in price since its earliest registered sale in 1999.
£336,000
Modelled from EPC, postcode comparables and a sale-price growth of 16.2% per year over 10 years.
£175,000
Growth on file: 16.2% per year over 10 years.
On price per m², 20 Tower Street runs well behind the street norm.
Price per m²
£2,244
Street avg £4,012
Floor Area
78 m²
Street avg 90 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km

Daytime· 07:00 – 23:00
48.7dB

26 June 2009Most recent
£175,000
+2.9%over 1 year23 June 2008
£170,000
+318.7%over 8 years11 October 1999
£40,600
Median price across the last 5 sales in HP13 5AX: £375,000 (2025–2022).
CO₂ Emissions
4.8 t/year
Street avg 3.7 t/year
HP13 5JY
Chadwick Street — bus stop.
Closest school
0.4 km
The Royal Grammar School, High Wycombe. 20 schools nearby.
Night-time· 23:00 – 07:00
39.3dB
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