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 16% larger than the typical home in the postcode (106 m² median across 19 EPCs). Its energy rating outperforms most of the postcode (better than 74% of similar EPCs). Across 2006–2024, sale prices on this property compounded at 2.8% per year. Today's modelled estimate of £653,000 is 18.7% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£415/sq ft) was about 58.8% above the typical sold price in the postcode. Most recent transfer: May 2024 at £550,000.
Know exactly what you're buying at 14a
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms3
- Bathrooms2
Energy performance
EPC Rating
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
Planning history
A a side extension application was refused at 14a in 2024.
- Oct 2024ExtensionFullIn report
Extension: Single storey · Side of property
Householder application for demolition of existing attached garage, construction of single storey side extension, external wall render finish to entire dwelling and associated external alterations
- Documents
- 15 docs on file
- Reference
- 24/06968/FUL
- Aug 2024ExtensionOutlineIn 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
What's in 14a, Green Crescent, Flackwell Heath, High Wycombe, HP10 9JQ's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
14a valuation sits well clear of the typical sold price in this postcode.
£653,000
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: £525,000 (2022–2018).
Nearby sales in HP10 9JQ
9 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
£500,00032 Green Crescent, Flackwell Heath, High Wycombe, HP10 9JQ
Sold Aug 2020
£525,0008 Green Crescent, Flackwell Heath, High Wycombe, HP10 9JQ
Sold Oct 2018
£485,000
Everything we know about 14a, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other Green Crescent homes
14a is notably below the street on years held.
Price per m²
£4,472
Street avg £3,804
Floor Area
123 m²
Street avg 107 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
2.6 t/year
Street avg 4.8 t/year
Similar properties nearby
1 Cherrywood Gardens, Flackwell Heath
HP10 9AX
1 Aspen Road
HP10 9FA
1 Birfield Road, Loudwater
HP10 9TW
1 Conway Close, Loudwater
HP10 9TR
1 Chiltern Green, Flackwell Heath
HP10 9AJ
1 Chilterns Close, Flackwell Heath
HP10 9BB
1 Bracken Way, Flackwell Heath
HP10 9JX
1 Clay Close, Flackwell Heath
HP10 9BG
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
3/mo
Rising 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
The full 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