One Acre, Grays Lane, Ibstone, High Wycombe, HP14 3XX
About One Acre
One Acre is a detached house in Ibstone, High Wycombe, High Wycombe (HP14 3XX). It has a recorded floor area of 396 m² (around 4263 sq ft), construction records dating it to 2007 onwards and council tax band H. The latest certificate (May 2016) returns a B (score 84), comfortably above the UK average. When first surveyed in July 2014 the rating was C, the property has climbed 1 band since. Between certificates, wall efficiency went from Good to Very Good, window efficiency went from Good to Very Good and hot-water efficiency went from Poor to Average. Main heating runs on electricity: electricity, unspecified tariff. The latest certificate is from May 2016, so improvements made since then won't be reflected.
At 396 m² the property is well over the postcode median (206 m² across 6 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. Last changed hands 10 years ago, in November 2016. 10 planning records sit against the property, 5 approved, 4 refused. Across 2009–2016, sale prices on this property compounded at 18.3% per year. Today's modelled estimate of £3,109,000 is 27.6% above the 2016 sale price.
Know exactly what you're buying at One Acre
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
One Acre ranks among the most efficient homes in the postcode for energy use.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 24 May 2026
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
High performance glazing installed
Wall insulation improved
Planning history
One Acre has been through 5 approved planning applications — a well-evolved property.
- Sept 2018AmendmentIn report
Proposed non-material amendment to permission for application for construction of extension to existing garage granted under householder planning ref: 18/05103/FUL
- Documents
- 2 docs on file
- Reference
- 18/07305/MINAMD
- May 2012Demolition And RebuildAmendmentIn report
Proposed non-material amendment to permission for demolition of existing dwelling and detached garage and erection of 1 x 4 bed dwelling and double garage (alternative scheme to pp 10/05715/FUL) granted under planning ref. 10/07801/FUL
- Documents
- 1 doc on file
- Reference
- 12/06186/MINAMD
We flagged 1 thing worth checking at One Acre
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.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
Sale price has grown by over 3x since 2009.
£3,109,000
Modelled from EPC, postcode comparables and a sale-price growth of 18.3% per year over 7 years.
£2,437,000
Growth on file: 18.3% per year over 7 years.
Sales timeline
30 November 2016Most recent
£2,437,000
+248.1%over 7 years29 June 2009
£700,000
Median price across the last 5 sales in HP14 3XX: £2,300,000 (2024–2021).
Nearby sales in HP14 3XX
Loxwood Cottage, Grays Lane, Ibstone, High Wycombe, HP14 3XX
Sold Dec 2024
£1,075,000Ibstone Cottage, Grays Lane, Ibstone, High Wycombe, HP14 3XX
Sold Oct 2022
£1,450,000Litmore Shaw, Grays Lane, Ibstone, High Wycombe, HP14 3XX
Sold Nov 2021
£5,950,000Sevenoaks, Grays Lane, Ibstone, High Wycombe, HP14 3XX
Sold Sept 2021
£2,300,000Peels, Grays Lane, Ibstone, High Wycombe, HP14 3XX
Sold Sept 2021
£2,740,000
Everything we know about One Acre, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Grays Lane homes
EPC Rating for One Acre runs comfortably ahead of the street norm.
Price per m²
£6,154
Street avg £10,916
Floor Area
396 m²
Street avg 229 m²
CO₂ Emissions
3.9 t/year
Street avg 10.2 t/year
Years Held
10 years
Street avg 6 years
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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
0.4 km
Parsonage Wood — bus stop.
Closest school
0.8 km
Ibstone CofE Primary School. 1 school 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
42.6dB

Night-time· 23:00 – 07:00
36.2dB