31a is a five-bedroom detached house in Great Horwood, Milton Keynes, Milton Keynes (MK17 0RA). It has a recorded floor area of 197 m² (around 2120 sq ft), construction records dating it to 1976-1982 and council tax band F. The latest certificate (November 2022) shows a D (score 67), on the cusp of jumping into the C band. When first surveyed in December 2008 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Average to Good, roof efficiency went from Average to Very Good and window efficiency went from Average to Good. The recommended improvements would push it to C (score 78). Main heating runs on oil. Other recorded features include a self-contained annexe and attached land beyond the plot.
Sale prices here have outpaced Milton Keynes HPI: 6.2% per year against 0% for the wider region. Today's modelled estimate of £833,000 sits 59.6% above the 2015 sale of £522,000. At 197 m² the property is well over the postcode median (140 m² across 25 EPCs), placing it in the larger end of the local stock. Last changed hands 11 years ago, in October 2015. One historical planning record sits against the property in 2014.
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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31a's carbon output runs well above what efficient homes in the postcode produce.
Erection of a new chimney to the side of the dwelling.
Sale price has at least doubled since 1999.
£833,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.2% per year over 16 years.
£522,000
Growth on file: 6.2% per year over 16 years.
What it's really worth, what could be wrong, and the planning, sales and area data in full.
Floor Area for 31a runs comfortably ahead of the street norm.
Price per m²
£2,650
Street avg £3,892
Floor Area
197 m²
Street avg 142 m²
Habitable Rooms
7 rooms
Street avg 6 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
0.4 km

Daytime· 07:00 – 23:00
47.3dB

Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Changes detected from historical EPC data
Heating system changed
Changed to a more efficient fuel source
Heating controls upgraded for better temperature management
Hot water system changed
More low energy lighting installed
Upgraded to gas central heating
Fuel source changed
Heating controls upgraded for better temperature management
Hot water system upgraded
Windows upgraded, improving insulation
Wall insulation improved
Loft insulation upgraded to recommended levels
Low energy lighting percentage decreased
Hot water system upgraded
Window efficiency improved
Roof insulation improved
More low energy lighting installed
Hot water efficiency decreased
Wall insulation upgraded
What's in 31a, Nash Road, Great Horwood, Milton Keynes, MK17 0RA's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
23 October 2015Most recent
£522,000
+68.4%over 1 year6 December 2013
£310,000
+55.0%over 13 years8 December 1999
£200,000
Median price across the last 5 sales in MK17 0RA: £655,000 (2024–2022).
29a Nash Road Great Horwood Milton Keynes
Sold Aug 2024
13 Nash Road Great Horwood Milton Keynes
Sold Jul 2024
29 Nash Road Great Horwood Milton Keynes
Sold Nov 2023
Manor Farm The Hayloft Nash Road Great Horwood Milton Keynes
Sold Aug 2023
The Chapel House Nash Road Great Horwood Milton Keynes
Sold Aug 2022

CO₂ Emissions
7.1 t/year
Street avg 6.8 t/year
MK17 0FU
The Green — bus stop.
Closest school
0.4 km
Great Horwood Church of England School. 1 school 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
40.5dB