23a is a five-bedroom detached house in Newton Longville, Milton Keynes, Milton Keynes (MK17 0AE). It has a recorded floor area of 164 m² (around 1765 sq ft), construction records dating it to 1996-2002 and council tax band F. The latest certificate (May 2019) shows a C (score 70). When first surveyed in July 2016 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Good and roof efficiency went from Poor to Good. Other recorded features include notable views, a conservatory, a self-contained annexe and attached land beyond the plot.
Sale prices here have outpaced Milton Keynes HPI: 3.8% per year against 0% for the wider region. Today's modelled estimate of £809,000 is 12.4% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£408/sq ft) was about 64.5% above the typical sold price in the postcode. One planning record on file: a garage conversion approved in 2003. Past consents include a garage conversion, meaningful when judging how the property has evolved. Last sale on file: £720,000 in November 2020.
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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Conversion of garage/workshop to create additional living accommodation
Latest sale on 23a was the highest on Land Registry record across the postcode.
£809,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.8% per year over 16 years.
£720,000
Growth on file: 3.8% per year over 16 years.
What it's really worth, what could be wrong, and the planning, sales and area data in full.
23a outperforms the street on floor area by a wide margin.
EPC Rating
70 (C)
Street avg 58 (D)
Floor Area
164 m²
Street avg 148 m²
CO₂ Emissions
4.8 t/year
Street avg 6.5 t/year
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
0.1 km

Daytime· 07:00 – 23:00
44.8dB

Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Changes detected from historical EPC data
Cavity wall insulation installed
Roof insulation improved
Floor insulation added or improved
Low energy lighting percentage decreased
What's in 23a, Bletchley Road, Newton Longville, Milton Keynes, MK17 0AE's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
17 November 2020Most recent
£720,000
+82.3%over 16 years8 October 2004
£395,000
Median price across the last 5 sales in MK17 0AE: £317,500 (2024–2001).

Habitable Rooms
6 rooms
Street avg 7 rooms
MK17 0FU
London End — bus stop.
Closest school
0.8 km
Newton Longville Church of England Primary School. 15 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
36.6dB