5 The Firs, Grendon Underwood, Aylesbury, HP18 0RW
About 5 The Firs
5 The Firs is a four-bedroom detached house in Grendon Underwood, Aylesbury, Aylesbury (HP18 0RW). It has a recorded floor area of 180 m² (around 1938 sq ft) and council tax band F. The latest certificate (July 2016) shows a C (score 79), near the top of the C band. The recommended improvements would push it to B (score 86). Main heating runs on electricity: electricity, unspecified tariff. Other recorded features include notable views and outbuildings. The home occupies a corner plot.
At 180 m² the property is well over the postcode median (74 m² across 7 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs). Across 2017–2020, sale prices on this property compounded at -0.7% per year. Today's modelled estimate of £754,000 is 16% above the 2020 sale price. Last sale on file: £650,000 in July 2020.
What this property has
Inside
- Bedrooms4
- Bathrooms4
- Dining roomYes
- EnsuiteYes
Outside
- Private gardenFront and rear
- GarageDouble
- OutbuildingsYes
- Notable viewsYes
- Corner plotYes
Energy performance
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 19 Jul 2026
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property has permanent outbuildings, we believe a Level 3 building survey should be considered.
From £1,220 · Includes VAT
Planning history
5 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.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£754,000
Modelled from EPC, postcode comparables and a sale-price growth of -0.7% per year over 3 years.
£650,000
Growth on file: -0.7% per year over 3 years.
Sales timeline
9 July 2020Most recent
£650,000
-2.3%over 3 years20 March 2017
£665,000
Median price across the last 5 sales in HP18 0RW: £325,000 (2023–2019).
Nearby sales in HP18 0RW
8 The Firs, Grendon Underwood, Aylesbury, HP18 0RW
Sold Apr 2023
£325,0001 The Firs, Grendon Underwood, Aylesbury, HP18 0RW
Sold Oct 2022
£220,0004 The Firs, Grendon Underwood, Aylesbury, HP18 0RW
Sold Jun 2022
£792,5007 The Firs, Grendon Underwood, Aylesbury, HP18 0RW
Sold Oct 2020
£250,0003 The Firs, Grendon Underwood, Aylesbury, HP18 0RW
Sold Jul 2019
£575,000
Versus other The Firs homes
5 The Firs is notably below the street on epc rating.
Price per m²
£3,611
Street avg £3,579
Floor Area
180 m²
Street avg 123 m²
CO₂ Emissions
3.0 t/year
Street avg 2.1 t/year
Years Held
6 years
Street avg 6 years
Similar properties nearby
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1 Beeley Street
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1 Brandy Street
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1 Bakery Close, Grendon Underwood
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1 Averdal Drive
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1 Baker Street, Waddesdon
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1 Amber Close
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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/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.
Road noise across the postcode

Daytime· 07:00 – 23:00
41.7dB

Night-time· 23:00 – 07:00
35.5dB







