Model valuation£417,0008 Busby Close
Local market context
14 Windmill Street, Brill, Aylesbury, HP18 9SZ
2 planning records
Estimated value
£599,000
- Since the 2017 sale (£375,000)+60%
- Against HP18 9SZ's recent median (£575,000)+4%
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
Habitable rooms
6
From EPC
Floor area
126 m²
1356 sq ft
Energy rating
E
Score 48
Council tax
Band E
Tenure
Private Rental
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
£599,000
- Against its 2017 sale (£375,000)+60%
- Against HP18 9SZ's recent median (£575,000)+4%
Your note and figure are shown publicly on this page.
How the estimate is made
The estimate for 14 Windmill Street is modelled from its 126 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
126 m² from the EPC lodged in August 2019
Sales of this home
1 sale recorded, the latest in 2017
Recent sales in HP18 9SZ
5 sales, median £575,000 (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 of 2 applications | 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.
14 Windmill Street valuation sits well clear of the typical sold price in this postcode.
Sales timeline
17 November 2017Most recent
£375,000
Median price across the last 5 sales in HP18 9SZ: £575,000 (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
£575,00010 Windmill Street, Brill, Aylesbury, HP18 9SZ
Sold Aug 2020
£700,00028 Windmill Street, Brill, Aylesbury, HP18 9SZ
Sold Jun 2020
£300,000
What this page doesn't show
1 potential issue has already been flagged for 14 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 14 Windmill Street
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
14 Windmill Street is a detached house in Brill, Aylesbury, Aylesbury (HP18 9SZ). It has a recorded floor area of 126 m² (around 1356 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (August 2019) shows an E (score 48), well below the UK norm with real room to improve. When first surveyed in January 2017 the rating was G, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Good, roof efficiency went from Very Poor to Good and window efficiency went from Poor to Good; while main heating dropped from Average to Very Poor. The recommended improvements would lift it to C (score 79), a 2-band jump. Main heating runs on electricity.
At 126 m² the property is well over the postcode median (94 m² across 12 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £599,000 sits 59.7% above the 2017 sale of £375,000. On a £-per-square-foot basis, the last sale (£276/sq ft) was about 20.6% below the postcode norm. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include new windows, meaningful when judging how the property has evolved. Last sold in November 2017, so it's been off the market for around 9 years.
Before you decide
Everything you need to know about 14 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.
14 Windmill Street's carbon output runs well above what efficient homes in the postcode produce.
Current Certificate(1 of 3)
Aug 2019
EPC Rating
A
B
C
D
E
E48
F
G
Main Heating
Electric
Main Fuel
Electric
Hot Water
Poor
Windows
Good
CO2 Emissions
7.1 t/year
Occupancy
Rented
Certificate validity
Valid until 5 August 2029
Property Improvements
Changes detected from historical EPC data
Jan 2019from Jan 2017
EPC improved fromG19toF31
Hot Water
Very PoorAverage
Hot water efficiency improved
Windows
PoorAverage
Window efficiency improved
Roof
Very PoorAverage
Roof insulation improved
Low Energy Lighting
33%100%
More low energy lighting installed
Aug 2019from Jan 2019
EPC improved fromF31toE48
Heating System
Storage HeatersRoom Heaters
Heating system changed
Heating Controls
ManualProg + Stat
Heating controls upgraded for better temperature management
Hot Water
AveragePoor
Hot water efficiency decreased
Windows
AverageGood
Window efficiency improved
Walls
Very PoorGood
Wall insulation improved
Roof Insulation
PartialInsulated
Roof insulation improved
Planning history
Applications and permits filed against 14 Windmill Street, Brill, Aylesbury, HP18 9SZ, sourced from the PlanIt planning register.
2 applications on record at 14 Windmill Street, Brill, Aylesbury, HP18 9SZ
2decisions25documents2nearby
- Jan 2018FullOutcome in report
Replacement of windows, alterations to roofline and relocation of south east facing dormer.
New Windows- Documents
- 17 docs on file
- Reference
- 17/04593/APP
- More recent applications — locked
- AmendmentFeb 2018Decision
Unlock 14 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 (2 on record)
- All 2 applications on this property in full, plus 2 notable nearby
- The 25 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 price per m², 14 Windmill Street runs well behind the street norm.
Price per m²
£2,976
Street avg £4,157
Floor Area
126 m²
Street avg 101 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
7.1 t/year
Street avg 6.3 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 EPre-1919 buildExtended multiple times (2+ extensions)No mains gasSolid (non-cavity) walls
Because the property was built before 1919, has been extended more than once, and has no mains gas supply, we believe a Level 3 building survey should be considered.
From £1,085 · Includes VAT
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£541k
1 Coldstream Way, Worminghall
HP18 9GS
£535k
1 Brookside, Oakley
HP18 9PN
3 bed1 bath
£528k
1 Canon Court Farm, Thame Road, Chilton
HP18 9LT
£688k
1 Bridge Road, Ickford
HP18 9HU
5 bed
£502k
1 Bury Court, Church Lane, Ludgershall
HP18 9NU
£723k
1 Burts Lane, Long Crendon
HP18 9AJ
3 bed2 bath
£742k
1 Blanes Close, Long Crendon
HP18 9GD
£759k
1 Bishops Way, Worminghall
HP18 9GG
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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 14 Windmill Street is modelled from its 126 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 14 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 14 Windmill Street was lodged in August 2019 at band E and is valid until August 2029. 3 certificates are on record, which shows how the home has changed.
- Planning records
- Planning applications are collected from local authority registers through PlanIt. 2 applications are matched to 14 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
- 14 Windmill Street is in council tax band E. 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 14 Windmill Street, Brill, Aylesbury, HP18 9SZ. Each answer is also embedded as structured data for search engines.
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- 14 Windmill Street, Brill, Aylesbury valuationHow the estimate is built and what moves it
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