21 King Street, Piddington, High Wycombe, HP14 3BT
About 21 King Street
21 King Street is a two-bedroom mid-terrace house in Piddington, High Wycombe, High Wycombe (HP14 3BT). It has a recorded floor area of 92 m² (around 990 sq ft), construction records dating it to before 1900 and council tax band D. The latest certificate (July 2024) shows a D (score 55), a step below the typical UK home. When first surveyed in June 2011 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Very Good. The recommended improvements would lift it to B (score 81), a 2-band jump. Main heating runs on oil. Other recorded features include notable views and a loft. Period features are noted in the property record.
At 92 m² the property is well over the postcode median (69 m² across 10 EPCs), placing it in the larger end of the local stock. A recent sale: £413,000 in January 2025. Across 1995–2025, sale prices on this property compounded at 6.5% per year. On a £-per-square-foot basis, the last sale (£417/sq ft) was about 72.1% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms2
- Bathrooms1
- LoftYes
Outside
- Private gardenSouth-east-facing
- Notable viewsYes
Building
- Period featuresYes
- RefurbishedYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Roof insulation improved
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has no mains gas supply, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,020 · Includes VAT
Planning history
21 King Street has no planning applications on record.
But the area is active
3 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Latest sale on 21 King Street was the highest on Land Registry record across the postcode.
£403,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.5% per year over 29 years.
£413,000
Growth on file: 6.5% per year over 29 years.
Sales timeline
13 January 2025Most recent
£413,000
+82.3%over 13 years14 November 2011
£226,500
+14.4%over 5 years16 December 2005
£198,000
+41.4%over 3 years23 May 2002
£140,000
+51.4%over 2 years15 October 1999
£92,500
+11.4%over 2 years28 August 1997
£83,000
+27.7%over 2 years6 August 1995
£65,000
Median price across the last 5 sales in HP14 3BT: £337,000 (2025–2014).
Nearby sales in HP14 3BT
25 King Street, Piddington, High Wycombe, HP14 3BT
Sold Feb 2025
£402,00019 King Street, Piddington, High Wycombe, HP14 3BT
Sold Nov 2021
£345,00037a, King Street, Piddington, High Wycombe, HP14 3BT
Sold Mar 2020
£337,0009 King Street, Piddington, High Wycombe, HP14 3BT
Sold Oct 2014
£272,50035 King Street, Piddington, High Wycombe, HP14 3BT
Sold Jul 2014
£275,000
Versus other King Street homes
On floor area, 21 King Street stands well clear of the street.
Price per m²
£4,489
Street avg £3,721
Floor Area
92 m²
Street avg 72 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
5.4 t/year
Street avg 4.9 t/year
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The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
King Street — bus stop.
Closest school
1.9 km
West Wycombe School. 3 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
50.7dB

Night-time· 23:00 – 07:00
43.3dB







