121 Main Road, Naphill, High Wycombe, HP14 4SA
About 121 Main Road
121 Main Road is a four-bedroom detached house in Naphill, High Wycombe, High Wycombe (HP14 4SA). It has a recorded floor area of 158 m² (around 1701 sq ft), construction records dating it to 1976-1982 and council tax band F. The latest certificate (August 2014) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since January 2011. Between certificates, window efficiency went from Average to Good and lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 82), a 2-band jump. The latest certificate is from August 2014, so improvements made since then won't be reflected.
Today's modelled estimate of £679,000 sits 58.6% above the 2011 sale of £428,000. On a £-per-square-foot basis, the last sale (£252/sq ft) was about 23.6% below the postcode norm. One planning record on file: an extension approved in 2013. Past consents include an extension, meaningful when judging how the property has evolved. At 158 m² it's 24.4% larger than the typical home in the postcode (127 m² median across 12 EPCs). 15 years since the last transfer (August 2011).
What this property has
Inside
- Bedrooms4
- Dining roomYes
Outside
- ParkingYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 31 Aug 2024
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
Roof insulation improved
More low energy lighting installed
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Planning history
1 application on record at 121 Main Road, Naphill, High Wycombe, HP14 4SA
- Aug 2013ExtensionFullOutcome in report
Extension: Single storey · Side and rear of property
Householder application for construction of single storey rear and side extensions, insertion of window to front in connection with part conversion of garage into living accommodation and insertion of window to North elevation
- Documents
- 4 docs on file
- Reference
- 13/06467/FUL
Unlock 121 Main Road, Naphill, High Wycombe, HP14 4SA's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 2 notable nearby
- The 4 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
121 Main Road valuation sits well clear of the typical sold price in this postcode.
£679,000
Modelled from EPC, postcode comparables.
£428,000
Recorded with HM Land Registry.
Sales timeline
4 August 2011Most recent
£428,000
Median price across the last 5 sales in HP14 4SA: £545,000 (2024–2021).
Nearby sales in HP14 4SA
101 Main Road, Naphill, High Wycombe, HP14 4SA
Sold Sept 2024
£715,000107 Main Road, Naphill, High Wycombe, HP14 4SA
Sold Oct 2022
£545,000117 Main Road, Naphill, High Wycombe, HP14 4SA
Sold Jul 2022
£550,000119 Main Road, Naphill, High Wycombe, HP14 4SA
Sold Jun 2021
£470,000125 Main Road, Naphill, High Wycombe, HP14 4SA
Sold Feb 2021
£397,000
Versus other Main Road homes
121 Main Road is notably below the street on price per m².
Price per m²
£2,709
Street avg £4,526
Floor Area
158 m²
Street avg 115 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
5.5 t/year
Street avg 5.3 t/year
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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Purssells Meadow — bus stop.
Closest school
1.3 km
Naphill and Walters Ash School. 6 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
43.0dB

Night-time· 23:00 – 07:00
35.9dB







