20 Chalford Flats, Northcroft, Wooburn Green, High Wycombe, HP10 0BS
About 20 Chalford Flats
20 Chalford Flats is a mid-terrace house in Wooburn Green, High Wycombe, High Wycombe (HP10 0BS). It has a recorded floor area of 64 m² (around 689 sq ft), construction records dating it to 1967-1975 and council tax band C. At 64 m² this is the 26th smallest of 29 units on EPC record in the building, where floor areas span 42–65 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (September 2023) shows a C (score 75), near the top of the C band. When first surveyed in January 2010 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Good, hot-water efficiency went from Poor to Good and lighting went from Good to Very Good; while window efficiency dropped from Good to Average.
It changed hands recently, sold July 2025 for £285,000. At 64 m² it's 28% larger than the typical home in the postcode (50 m² median across 28 EPCs). Across 2018–2025, sale prices on this property compounded at 2.1% per year. On a £-per-square-foot basis, the last sale (£414/sq ft) was about 59.4% above the typical sold price in the postcode.
Energy performance
EPC Rating
Certificate validity
Valid until 25 September 2033
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Heating controls changed
Low energy lighting percentage decreased
Heating controls upgraded for better temperature management
Cavity wall insulation installed
More low energy lighting installed
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Planning history
20 Chalford Flats has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
Latest sale on 20 Chalford Flats was the highest on Land Registry record across the postcode.
£282,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.1% per year over 7 years.
£285,000
Growth on file: 2.1% per year over 7 years.
Sales timeline
30 July 2025Most recent
£285,000
+14.9%over 6 years14 December 2018
£248,000
Median price across the last 5 sales in HP10 0BS: £220,000 (2025–2022).
Nearby sales in HP10 0BS
14 Chalford Flats, Northcroft, Wooburn Green, High Wycombe, HP10 0BS
Sold Oct 2025
£230,0001 Chalford Flats, Northcroft, Wooburn Green, High Wycombe, HP10 0BS
Sold Jun 2025
£220,00024 Chalford Flats, Northcroft, Wooburn Green, High Wycombe, HP10 0BS
Sold Jan 2024
£228,00030 Chalford Flats, Northcroft, Wooburn Green, High Wycombe, HP10 0BS
Sold Aug 2023
£190,00016 Chalford Flats, Northcroft, Wooburn Green, High Wycombe, HP10 0BS
Sold Jul 2022
£195,000
Versus other Northcroft homes
Years Held for 20 Chalford Flats lags the street by a wide margin.
Price per m²
£4,453
Street avg £3,380
Floor Area
64 m²
Street avg 51 m²
Habitable Rooms
3 rooms
Street avg 2 rooms
CO₂ Emissions
1.9 t/year
Street avg 2.1 t/year
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The neighbourhood at a glance
Crime
59/mo
Falling year-on-year across the wider district.
Nearest stop
0.3 km
Wycombe Lane — bus stop.
Closest school
0.2 km
Wooburn Green Primary School. 10 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
50.5dB

Night-time· 23:00 – 07:00
42.3dB







