A new free school in Isleworth could move to a permanent home at a former sports ground in Osterley.
Nishkam School West London opened at an old office block in London Road, Isleworth, in September last year with just 100 pupils.
It plans to expand each year to eventually accommodate 1,400 students aged four to 18 by 2019, plus 97 nursery pupils, and has been looking for larger premises.
getwestlondon has learned it is now considering migrating nearly a mile away to the nine acre grounds of the Conquest Club and former IBM Clubhouse in Syon Lane, just north of Great West Road.
However, a spokeswoman for the school said this was one of a number of potential sites being assessed by the Education Funding Agency (EFA).
"Once a site has been identified as potentially suitable and available, then the plan is to undertake public consultation as part of the full planning process. We do not currently have an exact time line for this," she added.
One resident, who learned about the plan via the internet, said he was disappointed the school had yet to consult the site's neighbours about its plans.
He said residents accepted the site must be put to use but were 'amazed' the school didn't feel the need to involve them in the proposals, given the likely disruption from building work and from the school when it opens.
The school, which describes itself as having a Sikh ethos but accepts pupils of all faiths, has yet to make a full planning application for the new building.
But it has submitted a 'screening' application to Hounslow Council to find out whether an 'environmental impact assessment' was needed, with council officers ruling the document was necessary.
That application states the school's intention to demolish two dilapidated clubhouses and build a new four form entry school with a 1,200sqm sports hall and football fields.
The school plans to build on less than half an acre of the land, with the majority of the 'underused' site being landscaped and kept as playing fields.
It estimates there will be an extra 582 car journeys to and from the site each day by parents dropping off and picking up their children.
The site was formerly the sports and social club for the old Pyrene factory in Great West Road, which used to produce fire fighting equipment.
Nishkam is a free school, meaning it is state funded but independent from local authority control. It was visited in July by then education secretary Michael Gove, who praised the standard of teaching.
When the school first opened it said the plan was to move to new premises in September 2016. It is not known whether this is still possible or when a full planning application is due to be submitted.