Flat 9, 7 Park Road, Grendon Underwood, Aylesbury, HP18 0TD
About Flat 9
Flat 9 is a one-bedroom mid-terrace house in Grendon Underwood, Aylesbury, Aylesbury (HP18 0TD). It has a recorded floor area of 51 m² (around 549 sq ft), construction records dating it to 2003-2006 and council tax band B. At 51 m² this is the smallest unit on EPC record across the building (51–149 m²). The building's EPC ratings span G to C, with this unit at the top. The latest certificate (April 2026) shows a C (score 74). The rating has held steady at C across 3 certificates since October 2009. Between certificates, hot-water efficiency went from Poor to Average and lighting went from Very Poor to Good. The recommended improvements would push it to B (score 82). Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition.
At 51 m² it sits well below the postcode median (122 m² across 13 EPCs), making it one of the more compact homes locally. Across 2005–2015, sale prices on this property compounded at -1.2% per year. Today's modelled estimate of £163,000 is 41.7% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£209/sq ft) was about 31.8% above the typical sold price in the postcode. 11 years since the last transfer (December 2015).
What this property has
Inside
- Bedrooms1
- Bathrooms1
Energy performance
Flat 9's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 25 April 2036
Property Improvements
Changes detected from historical EPC data
Heating system changed
Heating controls upgraded for better temperature management
Hot water system changed
Window efficiency improved
More low energy lighting installed
Hot water system upgraded
Floor insulation added or improved
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
Flat 9 has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
Flat 9's sale-price growth has lagged the wider UK trajectory across its history on file.
£163,000
Modelled from EPC, postcode comparables and a sale-price growth of -1.2% per year over 10 years.
£115,000
Growth on file: -1.2% per year over 10 years.
Sales timeline
22 December 2015Most recent
£115,000
-11.5%over 10 years4 August 2005
£130,000
Median price across the last 5 sales in HP18 0TD: £205,000 (2025–2018).
Nearby sales in HP18 0TD
8 Park Road, Grendon Underwood, Aylesbury, HP18 0TD
Sold Mar 2025
£385,000Flat 4, 7 Park Road, Grendon Underwood, Aylesbury, HP18 0TD
Sold Apr 2021
£205,000Flat 7, 7 Park Road, Grendon Underwood, Aylesbury, HP18 0TD
Sold Oct 2018
£145,0002 Park Road, Grendon Underwood, Aylesbury, HP18 0TD
Sold Apr 2018
£385,00010 Park Road, Grendon Underwood, Aylesbury, HP18 0TD
Sold Mar 2018
£435,000
Versus other Park Road homes
Flat 9 is notably below the street on floor area.
Price per m²
£2,255
Street avg £1,842
Floor Area
51 m²
Street avg 84 m²
Habitable Rooms
2 rooms
Street avg 4 rooms
CO₂ Emissions
0.6 t/year
Street avg 5.3 t/year
Similar properties nearby
Flat 7, 7 Park Road, Grendon Underwood
HP18 0TD
Flat 2, 7 Park Road, Grendon Underwood
HP18 0TD
Flat 6, 7 Park Road, Grendon Underwood
HP18 0TD
Flat 10, 7 Park Road, Grendon Underwood
HP18 0TD
Flat 5, 7 Park Road, Grendon Underwood
HP18 0TD
Flat 3, 30 High Street, Waddesdon
HP18 0JA
Flat 1, 74 High Street, Waddesdon
HP18 0JD
Flat 2, 30 High Street, Waddesdon
HP18 0JA
The neighbourhood at a glance
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 Gates — bus stop.
Closest school
1.1 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.
Road noise across the postcode

Daytime· 07:00 – 23:00
43.5dB

Night-time· 23:00 – 07:00
35.9dB







