Model valuation£417,0008 Busby Close
Local market context
6 The Firs is an end-of-terrace house in Grendon Underwood, Aylesbury, Aylesbury (HP18 0RW). It has a recorded floor area of 74 m² (around 797 sq ft) and council tax band C. The latest certificate (July 2016) returns a B (score 82), comfortably above the UK average. The recommended improvements would push it to A (score 97). Main heating runs on electricity: electricity, unspecified tariff. The latest certificate is from July 2016, so improvements made since then won't be reflected.
Its energy rating outperforms most of the postcode (better than 71% of similar EPCs). On the market in September 2016 and unlisted since — roughly 10 years. Today's modelled estimate of £310,000 is 31.9% above the 2016 sale price.
6 The Firs's carbon output is low for the local stock.
This certificate is over 10 years old and is no longer valid.Expired 19 Jul 2026
Certificate validity
Expired on 19 July 2026
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6 The Firs has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
£310,000
Modelled from EPC, postcode comparables.
£235,000
Recorded with HM Land Registry.
22 September 2016Most recent
£235,000
Median price across the last 5 sales in HP18 0RW: £317,000 (2025–2020).
7 The Firs, Grendon Underwood, Aylesbury, HP18 0RW
Sold Dec 2025
8 The Firs, Grendon Underwood, Aylesbury, HP18 0RW
Sold Apr 2023
1 The Firs, Grendon Underwood, Aylesbury, HP18 0RW
Sold Oct 2022
4 The Firs, Grendon Underwood, Aylesbury, HP18 0RW
Sold Jun 2022
5 The Firs, Grendon Underwood, Aylesbury, HP18 0RW
Sold Jul 2020
6 The Firs is notably below the street on price per m².
Price per m²
£3,176
Street avg £3,860
Floor Area
74 m²
Street avg 144 m²
CO₂ Emissions
1.4 t/year
Street avg 2.3 t/year
Years Held
10 years
Street avg 4 years
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 researchDaytime 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
0.1 km
The Swan PH — bus stop.
Closest school
0.3 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
41.7dB

Night-time· 23:00 – 07:00
35.5dB