Model valuation£417,0008 Busby Close
Local market context
9 Mill Corner is a two-bedroom semi-detached house in Grendon Underwood, Aylesbury, Aylesbury (HP18 0YH). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to 1996-2002 and council tax band B. The latest certificate (November 2022) shows an E (score 53), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since June 2010. Between certificates, hot-water efficiency went from Very Poor to Poor, lighting went from Poor to Very Good and main heating went from Very Poor to Poor. The recommended improvements would lift it to C (score 74), a 2-band jump. Main heating runs on lpg.
Untraded for 15 years, with the last transfer in April 2011. Across 1999–2011, sale prices on this property compounded at 5% per year. Today's modelled estimate of £250,000 sits 100% above the 2011 sale of £125,000. On a £-per-square-foot basis, the last sale (£207/sq ft) was about 15.2% above the typical sold price in the postcode.
Recommended upgrades on file would lift this property by multiple EPC bands.
Certificate validity
Valid until 4 November 2032
Changes detected from historical EPC data
Hot water efficiency improved
More low energy lighting installed
Get a survey for this property
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
9 Mill Corner has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
9 Mill Corner's estimated value is more than triple its earliest registered sale price (1999).
£250,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.0% per year over 12 years.
£125,000
Growth on file: 5.0% per year over 12 years.
13 April 2011Most recent
£125,000
+16.9%over 8 years25 July 2002
£106,950
+51.0%over 2 years5 August 1999
£70,850
Median price across the last 5 sales in HP18 0YH: £235,000 (2025–2015).
10 Mill Corner, Springhill Road, Grendon Underwood, Aylesbury, HP18 0YH
Sold Nov 2025
8 Mill Corner, Springhill Road, Grendon Underwood, Aylesbury, HP18 0YH
Sold Oct 2022
2 Mill Corner, Springhill Road, Grendon Underwood, Aylesbury, HP18 0YH
Sold Jan 2022
5 Mill Corner, Springhill Road, Grendon Underwood, Aylesbury, HP18 0YH
Sold Jul 2021
1 Mill Corner, Springhill Road, Grendon Underwood, Aylesbury, HP18 0YH
Sold Jun 2014
9 Mill Corner is notably below the street on price per m².
Price per m²
£2,232
Street avg £3,764
Floor Area
56 m²
Street avg 65 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.3 t/year
Street avg 2.5 t/year
Property research, connected
Explore sale histories, valuations, energy ratings and local areas. Ask the assistant to connect the details and take your research further.
Start your researchHP18 0BD
HP18 0FU
HP18 0LG
HP18 0UQ
HP18 0YN
HP18 0SS
HP18 0BX
HP18 0NB
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
Prison — bus stop.
Closest school
1.0 km
Grendon Underwood School. 1 school nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.

Daytime· 07:00 – 23:00
42.9dB

Night-time· 23:00 – 07:00
35.7dB