Model valuation£417,0008 Busby Close
Local market context
Sylvan Cottage, Treadaway Road, Flackwell Heath, High Wycombe, HP10 9PE
Property type
Detached
Habitable rooms
8
From EPC
Floor area
183 m²
1970 sq ft
Energy rating
D
Score 65
Council tax
Band G
Tenure
Owner Occupied
About Sylvan Cottage
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
Sylvan Cottage is a detached house in Flackwell Heath, High Wycombe, High Wycombe (HP10 9PE). It has a recorded floor area of 183 m² (around 1970 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (April 2026) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since April 2019. Between certificates, wall efficiency went from Average to Good, roof efficiency went from Average to Good and window efficiency went from Poor to Average. The recommended improvements would push it to C (score 72). This certificate was lodged in the last six months, so the rating reflects current condition.
At 183 m² the property is well over the postcode median (89 m² across 8 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £1,046,000 is 32.2% above the 2020 sale price. Last sale on file: £791,000 in January 2020.
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Everything you need to know about Sylvan Cottage
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The data behind every report
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
The EPC has just been inspected, so the rating reflects current condition.
Current Certificate(1 of 2)
Apr 2026
EPC Rating
A
B
C
D
D65
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
5.3 t/year
Occupancy
Owner Occupied
Certificate validity
Valid until 15 April 2036
Property Improvements
Changes detected from historical EPC data
Apr 2026from Apr 2019
Heating Controls
FullFull Control
Heating controls upgraded for better temperature management
Windows
PoorAverage
Window efficiency improved
Walls
AverageGood
Wall insulation improved
Roof
AverageGood
Roof insulation improved
Low Energy Lighting
10%100%
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Early 20th centuryDetached HouseEPC DExtended multiple times (2+ extensions)
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
From £1,645 · Includes VAT
Planning history
Applications and permits filed against Sylvan Cottage, Treadaway Road, Flackwell Heath, High Wycombe, HP10 9PE, sourced from the PlanIt planning register.
Sylvan Cottage has no planning applications on record.
3
But the area is active
3 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
Latest sale on Sylvan Cottage was the highest on Land Registry record across the postcode.
Current estimate
See how we calculated this£1,046,000
Modelled from EPC, postcode comparables.
Last sold (2020)
£791,000
Recorded with HM Land Registry.
Sales timeline
9 January 2020Most recent
£791,000
Median price across the last 5 sales in HP10 9PE: £541,000 (2025–2021).
Nearby sales in HP10 9PE
2 Uphill Cottages, Treadaway Road, Flackwell Heath, High Wycombe, HP10 9PE
Sold Nov 2025
£541,0002 Golf Club Cottage, Treadaway Road, Flackwell Heath, High Wycombe, HP10 9PE
Sold Dec 2024
£507,500Tylers, Treadaway Road, Flackwell Heath, High Wycombe, HP10 9PE
Sold Mar 2021
£732,5001 Golf Club Cottage, Treadaway Road, Flackwell Heath, High Wycombe, HP10 9PE
Sold Jan 2021
£430,000Old Stocks, Treadaway Road, Flackwell Heath, High Wycombe, HP10 9PE
Sold Nov 2015
£580,000
Versus other Treadaway Road homes
Four headline reads against 7 similar houses on this street, drawn from the latest EPC and Land Registry data.
On years held, Sylvan Cottage stands well clear of the street.
Price per m²
£4,322
Street avg £4,292
Floor Area
183 m²
Street avg 106 m²
Habitable Rooms
8 rooms
Street avg 5 rooms
CO₂ Emissions
5.3 t/year
Street avg 4.4 t/year
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Start your researchSimilar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£934k
1 Cherry Rise, Flackwell Heath
HP10 9PS
4 bed2 bath
£844k
1 Cherrywood Gardens, Flackwell Heath
HP10 9AX
3 bed2 bath
£769k
1 Cherry Close, Flackwell Heath
HP10 9PU
£765k
1 Chilterns Close, Flackwell Heath
HP10 9BB
4 bed2 bath
£748k
1 Bracken Way, Flackwell Heath
HP10 9JX
4 bed1 bath
£732k
1 Churchill Close, Flackwell Heath
HP10 9LA
£708k
1 Beckings Way, Flackwell Heath
HP10 9JN
£676k
1 Chiltern Green, Flackwell Heath
HP10 9AJ
4 bed2 bath
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the High Wycombe district page.
Crime
59/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
The Three Horseshoes — bus stop.
Closest school
0.5 km
Carrington Junior School. 12 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
Modelled day and night-time noise levels around HP10 9PE from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
54.7dB
Night-time· 23:00 – 07:00
46.6dB
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4Common questions
The questions buyers, sellers and homeowners most often ask about Sylvan Cottage, Treadaway Road, Flackwell Heath, High Wycombe, HP10 9PE. Each answer is also embedded as structured data for search engines.