Model valuation£417,0008 Busby Close
Local market context
10 Windmill Street, Brill, Aylesbury, HP18 9SZ
Listed building1 planning record
Estimated value
£859,000
- Since the 2020 sale (£700,000)+23%
- Against HP18 9SZ's recent median (£308,000)+179%
Newest record on this page: December 2025. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.
Property type
Detached
Bedrooms
4
Bathrooms
2
Floor area
146 m²
1572 sq ft
Energy rating
F
Score 38
Council tax
Band F
Tenure
Owner Occupied
About this valuation
How the figure is worked out and what it's based on. If you know this home, you can tell other visitors what you think it's worth.
Our estimate
£859,000
- Against its 2020 sale (£700,000)+23%
- Against HP18 9SZ's recent median (£308,000)+179%
Your note and figure are shown publicly on this page.
How the estimate is made
The estimate for 10 Windmill Street is modelled from its 146 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in HP18 9SZ. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.
What it's based on
Floor area
146 m² from the EPC lodged in August 2017
Sales of this home
1 sale recorded, the latest in 2020
Recent sales in HP18 9SZ
5 sales, median £308,000 (2025–2020)
This page or the full report?
| Data | This page | Full report |
|---|---|---|
| Sales | Latest sale shown: December 2025 | Latest available records, read when you order |
| Valuation | Estimate from the last refresh | Analysed against comparable sales |
| Planning | 1 application | Full history, plus nearby schemes |
| Flood risk | Not shown | Included |
Sales history & valuation
Every recorded sale of this home, how its price has moved, and what neighbouring properties have sold for.
Latest sale on 10 Windmill Street was the highest on Land Registry record across the postcode.
Sales timeline
11 August 2020Most recent
£700,000
Median price across the last 5 sales in HP18 9SZ: £308,000 (2025–2020).
Nearby sales in HP18 9SZ
4 Windmill Street, Brill, Aylesbury, HP18 9SZ
Sold Dec 2025
£308,00022 Windmill Street, Brill, Aylesbury, HP18 9SZ
Sold Jun 2021
£585,00015 Windmill Street, Brill, Aylesbury, HP18 9SZ
Sold Nov 2020
£575,00028 Windmill Street, Brill, Aylesbury, HP18 9SZ
Sold Jun 2020
£300,0006 Windmill Street, Brill, Aylesbury, HP18 9SZ
Sold Feb 2020
£435,000
What this page doesn't show
1 potential issue has already been flagged for 10 Windmill Street, Brill, Aylesbury, HP18 9SZ. The detail, evidence and what to ask about it are in the Risks Report.
- Larger development activity nearbyIn report
- Flood risk from rivers, sea and surface waterIn report
- Subsidence and ground-stability signalsIn report
- Refusals, enforcement and big schemes nearbyIn report
One time fee only - money back guarantee
About 10 Windmill Street
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
10 Windmill Street is a four-bedroom detached house in Brill, Aylesbury, Aylesbury (HP18 9SZ). It has a recorded floor area of 146 m² (around 1572 sq ft), construction records dating it to before 1900 and council tax band F. It is a listed building, which means external alterations are tightly controlled but it may qualify for heritage tax reliefs. The latest certificate (August 2017) shows an F (score 38), near the bottom of the EPC scale. The rating has held steady at F across 2 certificates since February 2013. Between certificates, roof efficiency went from Poor to Good; while wall efficiency dropped from Poor to Very Poor and lighting dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 82), a 4-band jump. Main heating runs on electricity.
At 146 m² the property is well over the postcode median (94 m² across 12 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £859,000 is 22.7% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£445/sq ft) was about 35.1% above the typical sold price in the postcode. Sold August 2020 for £700,000. One historical planning record sits against the property in 2003.
What this property has
Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.
Inside
- Bedrooms4
- Bathrooms2
- EnsuiteYes
- FireplaceYes
Outside
- Private gardenYes
- ParkingOff road
Building
- Listed buildingYes
- RefurbishedYes
Before you decide
Everything you need to know about 10 Windmill Street
The true value, the hidden risks and the full sale history, in one report.
Larger development activity nearby
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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.
10 Windmill Street sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
Current Certificate(1 of 2)
Aug 2017
EPC Rating
A
B
C
D
E
F
F38
G
Main Heating
Electric
Main Fuel
Electric
Hot Water
Very Poor
Windows
Good
CO2 Emissions
15.0 t/year
Occupancy
Owner Occupied
Certificate validity
Valid until 15 August 2027
Property Improvements
Changes detected from historical EPC data
Aug 2017from Feb 2013
Windows
SecondaryFull Double
Windows upgraded, improving insulation
Roof Insulation
PartialInsulated
Roof insulation improved
Planning history
Applications and permits filed against 10 Windmill Street, Brill, Aylesbury, HP18 9SZ, sourced from the PlanIt planning register.
1 application on record at 10 Windmill Street, Brill, Aylesbury, HP18 9SZ
1decisions4documents2nearby
- Oct 2003Tree WorksTreesOutcome in report
Fell one cupresses
- Documents
- 4 docs on file
- Reference
- 03/02433/ATC
Unlock 10 Windmill Street, Brill, Aylesbury, HP18 9SZ's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 2 notable nearby
- The 4 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Versus other Windmill Street homes
Four headline reads against 12 similar houses on this street, drawn from the latest EPC and Land Registry data.
On floor area, 10 Windmill Street stands well clear of the street.
Price per m²
£4,795
Street avg £3,975
Floor Area
146 m²
Street avg 100 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
15.0 t/year
Street avg 5.6 t/year
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the Aylesbury district page.
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
77/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Church Street — bus stop.
Closest school
0.3 km
Brill Church of England School. 2 schools nearby.
Nearest schools
- Brill Church of England SchoolPrimary345m
- Oakley Church of England Combined SchoolPrimary2.6km
Nearest stops
- Church StreetBus stop235m
- The SquareBus stop271m
- TramhillBus stop709m
- Brill TurnBus stop2.1km
Most reported crime locally
- Violence & Sexual Offences444 reports48%
- Other Theft106 reports12%
- Criminal Damage & Arson88 reports10%
- Anti-social Behaviour83 reports9%
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 HP18 9SZ from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
44.4dB
Night-time· 23:00 – 07:00
36.1dB
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
Get a survey for this property
Level 3 Building Survey
Victorian-eraDetached HouseEPC FPre-1919 buildListed buildingNo mains gasSolid (non-cavity) walls
Because the property was built before 1919, is a listed building, and has no mains gas supply, we believe a Level 3 building survey should be considered.
From £1,360 · Includes VAT
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
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1 Brookside, Oakley
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Start your researchHow to read this page
Where every figure above comes from, how current it is and what it can't tell you.
- How the estimate is made
- The estimate for 10 Windmill Street is modelled from its 146 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in HP18 9SZ. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.
- Where sold prices come from
- Sold prices are HM Land Registry Price Paid Data, which covers residential sales in England and Wales since 1995. 1 sale is recorded for 10 Windmill Street. Sales normally appear two to three months after completion, so the most recent ones take time to show up anywhere.
- Reading the EPC
- Energy Performance Certificates rate homes from A (most efficient) to G and last 10 years. The latest one for 10 Windmill Street was lodged in August 2017 at band F and is valid until August 2027. 2 certificates are on record, which shows how the home has changed.
- Planning records
- Planning applications are collected from local authority registers through PlanIt. 1 application is matched to 10 Windmill Street. Councils sometimes file applications under a different address format, and applications on neighbouring land aren't listed here; the report covers both.
- Area figures
- Crime is police-recorded street-level data over the last 12 months, which places each incident at an approximate point. The 2 schools and 10 stops listed are measured in a straight line from HP18 9SZ, not by walking route. Road noise is Defra's strategic noise modelling, averaged across the postcode.
- Council tax band
- 10 Windmill Street is in council tax band F. Bands are set by the Valuation Office Agency from historic values (1 April 1991 in England, 1 April 2003 in Wales), not today's price; the amount you pay depends on the council's rate for the band.
Common questions
The questions buyers, sellers and homeowners most often ask about 10 Windmill Street, Brill, Aylesbury, HP18 9SZ. Each answer is also embedded as structured data for search engines.
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- Every home in HP18 9SZSold prices, values and energy ratings for the postcode
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- 10 Windmill Street, Brill, Aylesbury valuationHow the estimate is built and what moves it
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