42a is a four-bedroom detached house in Bow Brickhill, Milton Keynes, Milton Keynes (MK17 9JW). It has a recorded floor area of 136 m² (around 1464 sq ft), construction records dating it to 1967-1975 and council tax band F. The latest certificate (October 2022) shows a C (score 76), near the top of the C band. When first surveyed in January 2022 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Average to Good and window efficiency went from Average to Good. The recommended improvements would push it to B (score 88). Main heating runs on electricity. Records show the property has been extended at some point in its history.
Held since August 2009 — that's 17 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. At 136 m² the property is well over the postcode median (96 m² across 20 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 85% of similar EPCs). Today's modelled estimate of £602,000 sits 140.8% above the 2009 sale of £250,000. On a £-per-square-foot basis, the last sale (£171/sq ft) was about 18.2% below the postcode norm.
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
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42a has no planning applications on record.
Notable planning nearby
1applications of note in the surrounding area
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The latest sale fell during the post-2008 dip, often a low-water mark in price comparisons.
£602,000
Modelled from EPC, postcode comparables.
£250,000
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
EPC Rating for 42a runs comfortably ahead of the street norm.
Price per m²
£1,838
Street avg £3,018
Floor Area
136 m²
Street avg 104 m²
Habitable Rooms
6 rooms
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
The Wheatsheaf — bus stop.

Daytime· 07:00 – 23:00
45.4dB

Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Changes detected from historical EPC data
Heat pump installed, significantly improving energy efficiency
Changed to a more efficient fuel source
Heating controls upgraded for better temperature management
Hot water system upgraded
Window efficiency improved
3 August 2009Most recent
£250,000
Median price across the last 5 sales in MK17 9JW: £430,000 (2025–2020).
16 Station Road Bow Brickhill Milton Keynes
Sold Apr 2025
14 Station Road Bow Brickhill Milton Keynes
Sold Oct 2022
4 Station Road Bow Brickhill Milton Keynes
Sold Feb 2022
6 Station Road Bow Brickhill Milton Keynes
Sold Feb 2021
52 Station Road Bow Brickhill Milton Keynes
Sold Aug 2019

Street avg 5 rooms
CO₂ Emissions
2.8 t/year
Street avg 5.0 t/year
MK17 9FN
Closest school
0.4 km
Bow Brickhill CofE VA Primary School. 8 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
37.2dB