Model valuation£417,0008 Busby Close
Local market context
3 The Firs, Grendon Underwood, Aylesbury, HP18 0RW
Property type
Detached
Bedrooms
4
Bathrooms
4
Floor area
180 m²
1938 sq ft
Energy rating
C
Score 80
Council tax
Band F
Tenure
Owner Occupied
About 3 The Firs
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
3 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 80), near the top of the C band. The recommended improvements would push it to B (score 88). Main heating runs on electricity: electricity, unspecified tariff. The latest certificate is from July 2016, so improvements made since then won't be reflected.
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. Today's modelled estimate of £684,000 is 19% above the 2019 sale price. Sold July 2019 for £575,000.
What this property has
Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.
Inside
- Bedrooms4
- Bathrooms4
- Dining roomYes
- CloakroomYes
- StudyYes
Outside
- Private gardenFront and rear
- GarageDouble
Building
- Heating systemAir source
Before you decide
Everything you need to know about 3 The Firs
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The data behind every report
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 19 Jul 2026
Current Certificate
Jul 2016EPC Rating
A
B
C
C80
D
E
F
G
Main Heating
Heat Pump
Main Fuel
Electric
Hot Water
Poor
Windows
Very Good
CO2 Emissions
2.9 t/year
Occupancy
Owner Occupied
Certificate validity
Expired on 19 July 2026
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Detached HouseEPC C
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Planning history
Applications and permits filed against 3 The Firs, Grendon Underwood, Aylesbury, HP18 0RW, sourced from the PlanIt planning register.
3 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
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
3 The Firs valuation sits well clear of the typical sold price in this postcode.
Current estimate
See how we calculated this£684,000
Modelled from EPC, postcode comparables.
Last sold (2019)
£575,000
Recorded with HM Land Registry.
Sales timeline
23 July 2019Most recent
£575,000
Median price across the last 5 sales in HP18 0RW: £317,000 (2025–2020).
Nearby sales in HP18 0RW
7 The Firs, Grendon Underwood, Aylesbury, HP18 0RW
Sold Dec 2025
£317,0008 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
£792,5005 The Firs, Grendon Underwood, Aylesbury, HP18 0RW
Sold Jul 2020
£650,000
Versus other The Firs homes
Four headline reads against 5 similar houses on this street, drawn from the latest EPC and Land Registry data.
3 The Firs is notably below the street on price per m².
Price per m²
£3,194
Street avg £3,856
Floor Area
180 m²
Street avg 122 m²
CO₂ Emissions
2.9 t/year
Street avg 2.0 t/year
Years Held
7 years
Street avg 5 years
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Start your researchSimilar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£676k
1 Bernards Close, Chearsley
HP18 0BX
3 bed2 bath
£657k
1 Beeley Street
HP18 0GZ
5 bed3 bath
£457k
1 Bakery Close, Grendon Underwood
HP18 0SS
3 bed1 bath
£447k
1 Brandy Street
HP18 0YN
3 bed2 bath
£408k
1 Averdal Drive
HP18 0UQ
3 bed2 bath
£535k
1 Baker Street, Waddesdon
HP18 0LG
2 bed
£678k
1 Alderman Drive
HP18 0UF
£648k
1 Barons Court, Baker Street, Waddesdon
HP18 0LG
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the Aylesbury district page.
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
0.1 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
Modelled day and night-time noise levels around HP18 0RW from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
41.7dB
Night-time· 23:00 – 07:00
35.5dB
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4Common questions
The questions buyers, sellers and homeowners most often ask about 3 The Firs, Grendon Underwood, Aylesbury, HP18 0RW. Each answer is also embedded as structured data for search engines.