20 Bay Tree Close, High Wycombe, HP11 1JN
About 20 Bay Tree Close
20 Bay Tree Close is a three-bedroom detached house in High Wycombe (HP11 1JN). It has a recorded floor area of 102 m² (around 1098 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (February 2017) shows a D (score 63), on the cusp of jumping into the C band. When first surveyed in May 2012 the rating was E, the property has climbed 1 band since. Between certificates, lighting went from Average to Very Good. The recommended improvements would lift it to B (score 83), a 2-band jump. Other recorded features include notable views. Records show the property has been extended at some point in its history. The home occupies a cul-de-sac position.
One planning record on file: an extension approved in 2014. Past consents include an extension and a garage conversion, meaningful when judging how the property has evolved. Across 1999–2024, sale prices on this property compounded at 6% per year. On a £-per-square-foot basis, the last sale (£501/sq ft) was about 78.2% above the typical sold price in the postcode. Sold November 2024 for £550,000.
Know exactly what you're buying at 20 Bay Tree Close
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
- Utility roomYes
Outside
- GarageYes
- Notable viewsYes
- Cul-de-sacYes
Building
- Heating systemGas
- Previously extendedYes
- 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
Heating controls upgraded for better temperature management
More low energy lighting installed
Planning history
- Jan 2014Garage ConversionFullIn report
Extension: Single storey · Side and rear of property
Householder application for construction of single storey side/rear extension and part conversion of existing garage to habitable living space
Extension- Documents
- 5 docs on file
- Reference
- 13/07873/FUL
We flagged 2 things worth checking at 20 Bay Tree Close
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
Latest sale on 20 Bay Tree Close was the highest on Land Registry record across the postcode.
£550,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.0% per year over 26 years.
£550,000
Growth on file: 6.0% per year over 26 years.
Sales timeline
25 November 2024Most recent
£550,000
+85.2%over 11 years20 June 2013
£297,000
+318.3%over 9 years14 August 2003
£71,000
-42.5%over 4 years13 May 1999
£123,500
Median price across the last 5 sales in HP11 1JN: £450,000 (2025–2021).
Nearby sales in HP11 1JN
10 Bay Tree Close, High Wycombe, HP11 1JN
Sold Oct 2025
£525,0006 Bay Tree Close, High Wycombe, HP11 1JN
Sold May 2022
£450,00023 Bay Tree Close, High Wycombe, HP11 1JN
Sold Sept 2021
£545,0008 Bay Tree Close, High Wycombe, HP11 1JN
Sold Jun 2021
£406,50017 Bay Tree Close, High Wycombe, HP11 1JN
Sold Mar 2021
£375,000
Everything we know about 20 Bay Tree Close, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- Larger development activity nearby

Versus other Bay Tree Close homes
20 Bay Tree Close is notably below the street on years held.
Price per m²
£5,392
Street avg £4,060
Floor Area
102 m²
Street avg 91 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.5 t/year
Street avg 3.6 t/year
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The neighbourhood at a glance
Crime
7/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
St Peter's Close — bus stop.
Closest school
0.3 km
Loudwater Combined School. 12 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
58.0dB

Night-time· 23:00 – 07:00
51.0dB