20a is a two-bedroom semi-detached house in Woburn Sands, Milton Keynes, Milton Keynes (MK17 8UG). It has a recorded floor area of 76 m² (around 815 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (July 2011) shows an E (score 51), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since April 2010. Between certificates, roof efficiency went from Poor to Good, window efficiency went from Very Poor to Good and hot-water efficiency went from Average to Good; while lighting dropped from Average to Poor. The recommended improvements would push it to D (score 59). The latest certificate is from July 2011, so improvements made since then won't be reflected. Our model identifies extension potential, subject to local planning policy.
Sale prices here have outpaced Milton Keynes HPI: 9.3% per year against 0% for the wider region. Today's modelled estimate of £324,000 is 15.7% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£344/sq ft) was about 53.2% above the typical sold price in the postcode. It lags the bulk of the postcode on energy efficiency (less efficient than 88% of similar EPCs). On the market in October 2016 and unlisted since — roughly 10 years. One historical planning record sits against the property in 2011.
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
20a's EPC is over a decade old — improvements since won't be reflected.
This certificate is over 10 years old and is no longer valid.Expired 26 Jul 2021
Erection of a detached double garage, workshop and associated access.
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.
20a valuation sits well clear of the typical sold price in this postcode.
£324,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.3% per year over 5 years.
£280,000
Growth on file: 9.3% per year over 5 years.
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
20a is notably below the street on epc rating.
Price per m²
£3,698
Street avg £3,303
Floor Area
76 m²
Street avg 85 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Garden Centre — bus stop.

Daytime· 07:00 – 23:00
43.9dB

Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Single glazing replaced with double or better glazing
Roof insulation improved
Low energy lighting percentage decreased
30-day money-back guarantee
17 October 2016Most recent
£280,000
+51.4%over 4 years10 February 2012
£185,000
Median price across the last 5 sales in MK17 8UG: £340,000 (2025–2022).

CO₂ Emissions
4.9 t/year
Street avg 3.7 t/year
MK17 8TE
Closest school
0.9 km
Swallowfield Primary. 13 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
36.3dB