Letchmore Heath is a village in Hertfordshire, England.
It is situated within the WD25 postcode district, which is within the Watford post town.
The full list of postcode districts within the Watford post town is as follows:
The Watford post town is within the Watford postcode area.
Administrative Ward: Aldenham West
Administrative District: Hertsmere
Administrative County: Hertfordshire
Country: England
UK Parliament: Hertsmere
NHS Local Health Authority: East of England
NHS Region: North, Midlands and the East