17 Mentone Avenue is a seven-bedroom detached house in Aspley Guise, Milton Keynes, Milton Keynes (MK17 8EQ). It has a recorded floor area of 314 m² (around 3380 sq ft), construction records dating it to before 1900 and council tax band G. The latest certificate (March 2017) shows an E (score 51), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 81), a 3-band jump. Other recorded features include a basement. Period features are noted in the property record.
At 314 m² the property is well over the postcode median (173 m² across 18 EPCs), placing it in the larger end of the local stock. 7 bedrooms is on the larger side for this postcode, where 4 is the typical count. 3 planning records sit against the property, 2 approved, 1 refused. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved. Today's modelled estimate of £1,733,000 is 19.5% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£429/sq ft) was about 46% above the typical sold price in the postcode. 9 years since the last transfer (July 2017).
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
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17 Mentone Avenue's carbon output runs well above what efficient homes in the postcode produce.
Multiple extension applications run across more than a decade of planning history at 17 Mentone Avenue.
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
17 Mentone Avenue valuation sits well clear of the typical sold price in this postcode.
£1,733,000
Modelled from EPC, postcode comparables.
£1,450,000
Recorded with HM Land Registry.
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
17 Mentone Avenue is notably below the street on co₂ emissions.
Price per m²
£4,618
Street avg £4,293
Floor Area
314 m²
Street avg 175 m²
Habitable Rooms
12 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km

Daytime· 07:00 – 23:00
45.0dB

Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Extension: Single storey · Rear of property
The proposed single-storey extension is to the rear of property in the form of a new orangery.
Extension: Single storey · Rear of property
Prior Notification of Householder Extension: erection of single storey rear extension 4.75m beyond the rear wall of the original dwelling, maximum height of 3.9m and 2.9m to the eaves.
30-day money-back guarantee
13 July 2017Most recent
£1,450,000
Median price across the last 5 sales in MK17 8EQ: £935,000 (2025–2019).
9 Mentone Avenue Aspley Guise Milton Keynes
Sold Aug 2025
10 Mentone Avenue Aspley Guise Milton Keynes
Sold Mar 2024
19 Mentone Avenue Aspley Guise Milton Keynes
Sold Dec 2021
6 Mentone Avenue Aspley Guise Milton Keynes
Sold Feb 2021
14 Mentone Avenue Aspley Guise Milton Keynes
Sold May 2019

Street avg 6 rooms
CO₂ Emissions
20.0 t/year
Street avg 7.1 t/year
MK17 8BH
Duke Street — bus stop.
Closest school
0.9 km
Aspley Guise Village School. 6 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Night-time· 23:00 – 07:00
36.4dB