4 The Firs, Grendon Underwood, Aylesbury, HP18 0RW
About 4 The Firs
4 The Firs is a four-bedroom detached house in Grendon Underwood, Aylesbury, Aylesbury (HP18 0RW). It has a recorded floor area of 211 m² (around 2271 sq ft) and council tax band G. The latest certificate (July 2016) shows a C (score 78), near the top of the C band. The recommended improvements would push it to B (score 84). Main heating runs on electricity: electricity, unspecified tariff.
At 211 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 2017–2022, sale prices on this property compounded at 2.6% per year. Today's modelled estimate of £876,000 is 10.5% above the 2022 sale price. Sold June 2022 for £792,500. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms4
- Bathrooms3
- Open-plan layoutYes
- Dining roomYes
- EnsuiteYes
- FireplaceYes
Outside
- Private gardenSouth-facing
- ParkingAllocated
Building
- RefurbishedYes
Energy performance
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 19 Jul 2026
EPC Rating
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Planning history
4 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
Latest sale on 4 The Firs was the highest on Land Registry record across the postcode.
£876,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.6% per year over 5 years.
£792,500
Growth on file: 2.6% per year over 5 years.
Sales timeline
27 June 2022Most recent
£792,500
+14.9%over 5 years20 January 2017
£690,000
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
£220,0007 The Firs, Grendon Underwood, Aylesbury, HP18 0RW
Sold Oct 2020
£250,0005 The Firs, Grendon Underwood, Aylesbury, HP18 0RW
Sold Jul 2020
£650,0003 The Firs, Grendon Underwood, Aylesbury, HP18 0RW
Sold Jul 2019
£575,000
Versus other The Firs homes
On epc rating, 4 The Firs runs well behind the street norm.
Price per m²
£3,756
Street avg £3,550
Floor Area
211 m²
Street avg 116 m²
CO₂ Emissions
3.6 t/year
Street avg 2.0 t/year
Years Held
4 years
Street avg 6 years
Similar properties nearby
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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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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







