9 Naisby Drive is a four-bedroom detached house in Great Brickhill, Milton Keynes, Milton Keynes (MK17 9BL). It has a recorded floor area of 123 m² (around 1324 sq ft), construction records dating it to 1983-1990 and council tax band E. The latest certificate (November 2025) shows a C (score 71). When first surveyed in July 2016 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Good and hot-water efficiency went from Average to Good. Other recorded features include notable views.
Sale prices here have outpaced Milton Keynes HPI: 4.1% per year against 0% for the wider region. Today's modelled estimate of £723,000 is 26.8% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£431/sq ft) was about 170.8% above the typical sold price in the postcode. One planning record on file: tree works approved in 2021. Past consents include tree works, meaningful when judging how the property has evolved. Last changed hands 9 years ago, in September 2017. At 123 m² it's 16.9% smaller than the typical home in the postcode (148 m² median across 3 EPCs).
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
T1 - Overall crown reduction on TPO'd Sycamore by 3-4m.Reduction is to allow more light into three gardens.
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.
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9 Naisby Drive valuation sits well clear of the typical sold price in this postcode.
£723,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.1% per year over 15 years.
£570,000
Growth on file: 4.1% per year over 15 years.
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
9 Naisby Drive is notably below the street on floor area.
EPC Rating
71 (C)
Street avg 70 (C)
Floor Area
123 m²
Street avg 185 m²
CO₂ Emissions
3.9 t/year
Street avg 5.3 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
0.2 km

Daytime· 07:00 – 23:00
44.0dB

Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Changes detected from historical EPC data
Hot water efficiency improved
Windows upgraded, improving insulation
Roof insulation improved
More low energy lighting installed
20 September 2017Most recent
£570,000
+83.9%over 15 years3 September 2002
£310,000
Median price across the last 5 sales in MK17 9BL: £450,000 (2024–2003).

Habitable Rooms
5 rooms
Street avg 8 rooms
MK17 9FR
The Old Red Lion — bus stop.
Closest school
0.3 km
High Ash Church of England Primary School. 2 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
36.1dB