23 Mentone Avenue is a detached house in Aspley Guise, Milton Keynes, Milton Keynes (MK17 8EQ). It has a recorded floor area of 78 m² (around 844 sq ft), construction records dating it to 1950-1966 and council tax band G. The latest certificate (October 2008) shows an E (score 46), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 71), a 2-band jump. The latest certificate is from October 2008, so improvements made since then won't be reflected.
Held since December 2009 — that's 16 years off the open market, well above the local norm. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Sale prices here have outpaced Milton Keynes HPI: 6% per year against 0% for the wider region. Today's modelled estimate of £741,000 sits 51.2% above the 2009 sale of £490,000. On a £-per-square-foot basis, the last sale (£581/sq ft) was about 98.6% above the typical sold price in the postcode. At 78 m² it sits well below the postcode median (185 m² across 18 EPCs), making it one of the more compact homes locally. 4 planning records sit against the property, 3 approved, 0 refused. Past consents include partial demolition, meaningful when judging how the property has evolved.
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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23 Mentone Avenue's carbon output runs well above what efficient homes in the postcode produce.
This certificate is over 10 years old and is no longer valid.Expired 15 Oct 2018
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
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.
23 Mentone Avenue saw 3 transfers in just over a decade — high turnover for the postcode.
£741,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.0% per year over 2 years.
£490,000
Growth on file: 6.0% per year over 2 years.
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
On floor area, 23 Mentone Avenue runs well behind the street norm.
Price per m²
£6,250
Street avg £4,184
Floor Area
78 m²
Street avg 188 m²
Habitable Rooms
4 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
Non Material Change to Permission: Planning Permission (MB/08/00468/Full) dated 21/05/08. Minor amendment to house finished floor level agreed by Planning Condition 8 (ground and slab levels). Main East West Ridge will not be above ridge of No.21 Mentone Avenue.
Non Material Change to Permission: Planning Permission (MB/08/00468/Full) dated21/05/08.
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18 December 2009Most recent
£490,000
+8.9%over 1 year18 April 2008
£450,000
+5.9%over 9 months9 July 2007
£425,000
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 7 rooms
CO₂ Emissions
6.0 t/year
Street avg 7.9 t/year
MK17 8FQ
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