Annexe, 28 Spring Lane, Great Horwood, Milton Keynes, MK17 0QW
About Annexe
Annexe is a detached house in Great Horwood, Milton Keynes, Milton Keynes (MK17 0QW). It has a recorded floor area of 321 m² (around 3455 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (July 2024) shows a D (score 59), a step below the typical UK home. When first surveyed in October 2008 the rating was F, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Good to Very Good and window efficiency went from Very Poor to Good. The recommended improvements would push it to C (score 71). Main heating runs on oil.
At 321 m² the property is well over the postcode median (144 m² across 18 EPCs), placing it in the larger end of the local stock.
Energy performance
Annexe's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system upgraded to a more efficient system
Heating controls changed
Hot water efficiency improved
Single glazing replaced with double or better glazing
Wall insulation improved
Loft insulation upgraded to recommended levels
Floor insulation added or improved
More low energy lighting installed
Heating system changed
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Roof insulation improved
Low energy lighting percentage decreased
Upgraded to gas central heating
Fuel source changed
Heating controls upgraded for better temperature management
Hot water system upgraded
Single glazing replaced with double or better glazing
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, is a large detached home over 300m², and has been extended more than once, we believe a Level 3 building survey should be considered.
From £1,495 · Includes VAT
Planning history
Annexe has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
Annexe has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£985,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in MK17 0QW: £630,000 (2025–2022).
Nearby sales in MK17 0QW
16 Spring Lane, Great Horwood, Milton Keynes, MK17 0QW
Sold Sept 2025
£370,000Wigwell, Spring Lane, Great Horwood, Milton Keynes, MK17 0QW
Sold Jun 2025
£696,0008 Spring Lane, Great Horwood, Milton Keynes, MK17 0QW
Sold May 2024
£465,00030 Spring Lane, Great Horwood, Milton Keynes, MK17 0QW
Sold Mar 2024
£630,0002 Spring Lane, Great Horwood, Milton Keynes, MK17 0QW
Sold Aug 2022
£880,000
Versus other Spring Lane homes
On floor area, Annexe stands well clear of the street.
EPC Rating
59 (D)
Street avg 60 (D)
Floor Area
321 m²
Street avg 159 m²
CO₂ Emissions
14.0 t/year
Street avg 6.6 t/year
Habitable Rooms
13 rooms
Street avg 7 rooms
Similar properties nearby
1 Chase Farm Barns, Whaddon Road, Little Horwood
MK17 0QB
1 Church End, Drayton Parslow
MK17 0JJ
1 Cherry Leas, Great Horwood
MK17 0FU
1 All Saints Close, Nash
MK17 0FG
1 Crabtree Close, Great Horwood
MK17 0FP
1 Clays Lane, Little Horwood
MK17 0FA
1 Crossbridge Cottage, Thornborough Road, Thornton
MK17 0HE
1 Crofts Lane, Newton Longville
MK17 0BT
The neighbourhood at a glance
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
Spring Lane — bus stop.
Closest school
0.4 km
Great Horwood Church of England School. 3 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
45.8dB

Night-time· 23:00 – 07:00
38.3dB







