23 Thanstead Copse, Loudwater, High Wycombe, HP10 9YH
About 23 Thanstead Copse
23 Thanstead Copse is a detached house in Loudwater, High Wycombe, High Wycombe (HP10 9YH). It has a recorded floor area of 150 m² (around 1615 sq ft), construction records dating it to 1996-2002 and council tax band G. The latest certificate (March 2022) returns a high B (score 89), putting the home a stone's throw from an A rating. When first surveyed in July 2013 the rating was D, the property has climbed 2 bands since. Between certificates, window efficiency went from Average to Good and lighting went from Very Poor to Very Good.
Held since February 1998 — that's 28 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. At 150 m² the property is well over the postcode median (111 m² across 30 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 70% of similar EPCs). Today's modelled estimate of £782,000 sits 294.9% above the 1998 sale of £198,000. On a £-per-square-foot basis, the last sale (£123/sq ft) was about 43.2% below the postcode norm. 4 planning records sit against the property, 4 approved, 0 refused. Past consents include tree works and an extension, meaningful when judging how the property has evolved.
Know exactly what you're buying at 23 Thanstead Copse
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
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
Solar PV panels (50 kWp) installed
Planning history
23 Thanstead Copse has been through 4 approved planning applications — a well-evolved property.
- Jul 2022Tree WorksTreesIn report
Cut back lower branches up to a height of 3m above ground level to the Willows along footpath between numbers 13-27 Thanstead Copse
- Documents
- 7 docs on file
- Reference
- 22/06517/TPO
- Jul 2012ExtensionFullIn report
Extension: Side and rear of property
Householder application for construction of two storey side and single storey rear extensions
- Documents
- 4 docs on file
- Reference
- 12/06231/FUL
What's in 23 Thanstead Copse, Loudwater, High Wycombe, HP10 9YH's planning history?
2 more on this property, plus refusals, disputes and full decisions nearby, in the report.
Sales history & valuation
23 Thanstead Copse's estimated value is more than triple its earliest registered sale price (1998).
£782,000
Modelled from EPC, postcode comparables.
£198,000
Recorded with HM Land Registry.
Sales timeline
27 February 1998Most recent
£198,000
Median price across the last 5 sales in HP10 9YH: £660,000 (2025–2024).
Nearby sales in HP10 9YH
21 Thanstead Copse, Loudwater, High Wycombe, HP10 9YH
Sold Sept 2025
£635,00017 Thanstead Copse, Loudwater, High Wycombe, HP10 9YH
Sold Aug 2025
£690,00028 Thanstead Copse, Loudwater, High Wycombe, HP10 9YH
Sold Oct 2024
£810,00032 Thanstead Copse, Loudwater, High Wycombe, HP10 9YH
Sold Jul 2024
£525,00035 Thanstead Copse, Loudwater, High Wycombe, HP10 9YH
Sold Apr 2024
£660,000
Everything we know about 23 Thanstead Copse, 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 Thanstead Copse homes
On years held, 23 Thanstead Copse stands well clear of the street.
Price per m²
£1,320
Street avg £3,773
Floor Area
150 m²
Street avg 110 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
1.9 t/year
Street avg 3.6 t/year
Similar properties nearby
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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
0.1 km
The Papermill — bus stop.
Closest school
0.8 km
Loudwater Combined School. 10 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
55.5dB

Night-time· 23:00 – 07:00
48.7dB