Chelsea House, 1, 599 Witan Gate, Milton Keynes, MK9 2BU
About Chelsea House
Chelsea House is a one-bedroom semi-detached house in Milton Keynes (MK9 2BU). It has a recorded floor area of 57 m² (around 614 sq ft), construction records dating it to 2007-2011 and council tax band B. At 57 m² this is the 30th smallest of 48 units on EPC record in Chelsea House, where floor areas span 42–85 m². The building's EPC ratings span C to B, with this unit at the bottom. The latest certificate (March 2024) shows a C (score 76), near the top of the C band. The rating has held steady at C across 2 certificates since October 2013. Between certificates, wall efficiency dropped from Very Good to Good.
It lags the bulk of the postcode on energy efficiency (less efficient than 70% of similar EPCs). On the market in July 2014 and unlisted since — roughly 12 years. Across 2007–2014, sale prices on this property compounded at 4.2% per year. Today's modelled estimate of £173,000 is 15.3% above the 2014 sale price.
What this property has
Inside
- Bedrooms1
- Bathrooms1
- Open-plan layoutYes
- Dining roomYes
Outside
- ParkingUnderground
Building
- Central heatingYes
Energy performance
EPC Rating
Certificate validity
Valid until 29 March 2034
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
Chelsea House has no planning applications on record.
But the area is active
3 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
£173,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.2% per year over 7 years.
£150,000
Growth on file: 4.2% per year over 7 years.
Sales timeline
6 July 2014Most recent
£150,000
+31.5%over 6 years29 October 2007
£114,049
Median price across the last 5 sales in MK9 2BU: £177,000 (2026–2023).
Nearby sales in MK9 2BU
Chelsea House, 30, 599 Witan Gate, Milton Keynes, MK9 2BU
Sold Feb 2026
£177,000Chelsea House, 25, 599 Witan Gate, Milton Keynes, MK9 2BU
Sold Sept 2025
£75,000Chelsea House, 40, 599 Witan Gate, Milton Keynes, MK9 2BU
Sold Mar 2025
£230,000Chelsea House, 46, 599 Witan Gate, Milton Keynes, MK9 2BU
Sold Apr 2024
£236,000Chelsea House, 22, 599 Witan Gate, Milton Keynes, MK9 2BU
Sold Jul 2023
£100,000
Versus other Witan Gate homes
On epc rating, Chelsea House runs well behind the street norm.
Price per m²
£2,632
Street avg £2,889
Floor Area
57 m²
Street avg 57 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
1.7 t/year
Street avg 1.2 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
255/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Central Business Exchange — bus stop.
Closest school
0.8 km
Oldbrook First School and Nursery. 30 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
54.1dB

Night-time· 23:00 – 07:00
41.6dB







