14a, Green Crescent, Flackwell Heath, High Wycombe, HP10 9JQ
About 14a
14a is a three-bedroom detached house in Flackwell Heath, High Wycombe, High Wycombe (HP10 9JQ). It has a recorded floor area of 123 m² (around 1324 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (October 2025) shows a C (score 77), near the top of the C band. When first surveyed in June 2023 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Average to Good, roof efficiency went from Good to Very Good and window efficiency went from Average to Good; while lighting dropped from Very Good to Good. The recommended improvements would push it to B (score 81).
2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 123 m² it's 17.7% larger than the typical home in the postcode (105 m² median across 20 EPCs). Its energy rating outperforms most of the postcode (better than 75% of similar EPCs). Across 2006–2024, sale prices on this property compounded at 2.8% per year. Today's modelled estimate of £636,000 is 15.6% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£415/sq ft) was about 54.2% above the typical sold price in the postcode. Most recent transfer: May 2024 at £550,000.
What this property has
Inside
- Bedrooms3
- Bathrooms2
Energy performance
EPC Rating
Certificate validity
Valid until 8 October 2035
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
High performance glazing installed
Roof insulation improved
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Planning history
A a side extension application was refused at 14a in 2024.
2 applications on record at 14a, Green Crescent, Flackwell Heath, High Wycombe, HP10 9JQ
- Aug 2024ExtensionOutlineOutcome in report
Extension: Side of property
Certificate of lawfulness for proposed construction of single storey side extension and associated external alterations
- Documents
- 15 docs on file
- Reference
- 24/06366/CLP
- More recent applications — locked
- ExtensionOct 2024Decision
Unlock 14a, Green Crescent, Flackwell Heath, High Wycombe, HP10 9JQ's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full, plus 3 notable nearby
- The 30 documents, officer reports & conditions
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
14a valuation sits well clear of the typical sold price in this postcode.
£636,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.8% per year over 18 years.
£550,000
Growth on file: 2.8% per year over 18 years.
Sales timeline
14 May 2024Most recent
£550,000
+62.7%over 17 years25 July 2006
£338,000
Median price across the last 5 sales in HP10 9JQ: £540,000 (2025–2021).
Nearby sales in HP10 9JQ
1 Green Crescent, Flackwell Heath, High Wycombe, HP10 9JQ
Sold Nov 2025
£462,50013 Green Crescent, Flackwell Heath, High Wycombe, HP10 9JQ
Sold Mar 2025
£550,0009 Green Crescent, Flackwell Heath, High Wycombe, HP10 9JQ
Sold Jul 2022
£540,00021 Green Crescent, Flackwell Heath, High Wycombe, HP10 9JQ
Sold Mar 2021
£600,00015 Green Crescent, Flackwell Heath, High Wycombe, HP10 9JQ
Sold Feb 2021
£500,000
Versus other Green Crescent homes
14a outperforms the street on epc rating by a wide margin.
Price per m²
£4,472
Street avg £4,118
Floor Area
123 m²
Street avg 105 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
2.6 t/year
Street avg 4.6 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
59/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Whitepit Lane — bus stop.
Closest school
0.4 km
Juniper Hill School. 9 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
47.8dB

Night-time· 23:00 – 07:00
39.2dB







