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11 Colley Close, Brill, Aylesbury, HP18 9GE

Estimated value

£583,000

  • Since the 2025 sale (£610,000)-4%
  • Against HP18 9GE's recent median (£490,000)+19%

Newest record on this page: October 2025. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.

Learn about this valuation
Property type
Mid terrace
Bedrooms
4
Bathrooms
4
Floor area
169 m²
1819 sq ft
Energy rating
C
Score 77
Council tax
Band G
Tenure
Freehold
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Valuation

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

£583,000

  • Against its 2025 sale (£610,000)-4%
  • Against HP18 9GE's recent median (£490,000)+19%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 11 Colley Close is modelled from its 169 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in HP18 9GE. 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

    169 m² from the EPC lodged in June 2023

  • Sales of this home

    2 sales recorded, the latest in 2025

  • Recent sales in HP18 9GE

    5 sales, median £490,000 (2025–2020)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: October 2025Latest available records, read when you order
ValuationEstimate from the last refreshAnalysed against comparable sales
PlanningNone on this homeFull history, plus nearby schemes
Flood riskNot shownIncluded
Price

Sales history & valuation

Every recorded sale of this home, how its price has moved, and what neighbouring properties have sold for.

11 Colley Close valuation sits well clear of the typical sold price in this postcode.

Sales timeline

  1. 1 October 2025Most recent

    £610,000

    +39.0%over 11 years

  2. 21 March 2014

    £439,000

Median price across the last 5 sales in HP18 9GE: £490,000 (2025–2020).

Risks

What this page doesn't show

1 potential issue has already been flagged for 11 Colley Close, Brill, Aylesbury, HP18 9GE. 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

Overview

About 11 Colley Close

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

11 Colley Close is a four-bedroom mid-terrace house in Brill, Aylesbury, Aylesbury (HP18 9GE). It has a recorded floor area of 169 m² (around 1819 sq ft), construction records dating it to 2012 onwards and council tax band G. Tenure is freehold. The latest certificate (June 2023) shows a C (score 77), near the top of the C band. The rating has held steady at C across 2 certificates since August 2012. Between certificates, main heating went from Average to Good; while window efficiency dropped from Very Good to Good and hot-water efficiency dropped from Average to Very Poor. The recommended improvements would push it to B (score 86). Main heating runs on electricity.

At 169 m² the property is well over the postcode median (92 m² across 12 EPCs), placing it in the larger end of the local stock. It changed hands recently, sold October 2025 for £610,000. Across 2014–2025, sale prices on this property compounded at 2.9% per year.

Specifications

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
  • Bathrooms4
  • Dining roomYes

Outside

  • ParkingOff road

Building

  • TenureFreehold
Before you decide

Everything you need to know about 11 Colley Close

The true value, the hidden risks and the full sale history, in one report.

Larger development activity nearby

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Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Current Certificate(1 of 2)
Jun 2023

EPC Rating

A
B
C
C77
D
E
F
G
Main Heating
Heat Pump
Main Fuel
Electric
Hot Water
Very Poor
Windows
Good
CO2 Emissions
3.1 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 18 June 2033

6 years remaining

Property Improvements

Changes detected from historical EPC data

Jun 2023from Aug 2012
Heating Controls
Full ControlProg + Stat

Heating controls changed

Hot Water
AverageVery Poor

Hot water efficiency decreased

Low Energy Lighting
19%100%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against 11 Colley Close, Brill, Aylesbury, HP18 9GE, sourced from the PlanIt planning register.

11 Colley Close has no planning applications on record.

2

But the area is active

2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.

On the street

Versus other Colley Close homes

Four headline reads against 11 similar houses on this street, drawn from the latest EPC and Land Registry data.

On years held, 11 Colley Close runs well behind the street norm.

Price per m²

£3,609

Street avg £3,766

On par

Floor Area

169 m²

Street avg 110 m²

Strongly above

Habitable Rooms

9 rooms

Street avg 5 rooms

Strongly above

CO₂ Emissions

3.1 t/year

Street avg 2.2 t/year

Strongly below
Area

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.
Full Aylesbury report

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

0.3 km

The Square — bus stop.

Closest school

0.5 km

Brill Church of England School. 2 schools nearby.

Nearest schools

  • Brill Church of England SchoolPrimary504m
  • Oakley Church of England Combined SchoolPrimary2.5km

Nearest stops

  • The SquareBus stop318m
  • Church StreetBus stop344m
  • TramhillBus stop741m
  • Brill TurnBus stop2.0km

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.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around HP18 9GE from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for HP18 9GE

Daytime· 07:00 – 23:00

44.9dB

Low
Night-time road noise heatmap for HP18 9GE

Night-time· 23:00 – 07:00

36.2dB

Low
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
SDL Surveying

Get a survey for this property

Level 3 Building Survey

21st centuryMid-Terrace HouseFreeholdEPC CNo mains gas

Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.

From £1,085 · Includes VAT

Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£535k

1 Brookside, Oakley

HP18 9PN

3 bed1 bath
£688k

1 Bridge Road, Ickford

HP18 9HU

5 bed
£723k

1 Burts Lane, Long Crendon

HP18 9AJ

3 bed2 bath
£887k

1 Ashtree Cottages, Thame Road, Chilton

HP18 9LJ

5 bed
£342k

1 Bradley Close, Oakley

HP18 9QS

3 bed1 bath
£1.2m

1 Carters Lane, Long Crendon

HP18 9DE

5 bed
£373k

1 Burns Close, Long Crendon

HP18 9BX

2 bed1 bath
£541k

1 Coldstream Way, Worminghall

HP18 9GS

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Method

How to read this page

Where every figure above comes from, how current it is and what it can't tell you.
Valuation method in detail
How the estimate is made
The estimate for 11 Colley Close is modelled from its 169 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in HP18 9GE. 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. 2 sales are recorded for 11 Colley Close. 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 11 Colley Close was lodged in June 2023 at band C and is valid until June 2033. 2 certificates are on record, which shows how the home has changed.
Planning records
Planning applications are collected from local authority registers through PlanIt. None is matched to 11 Colley Close. 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 9 stops listed are measured in a straight line from HP18 9GE, not by walking route. Road noise is Defra's strategic noise modelling, averaged across the postcode.
Council tax band
11 Colley Close is in council tax band G. 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.
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 11 Colley Close, Brill, Aylesbury, HP18 9GE. Each answer is also embedded as structured data for search engines.

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