Sefton Central Labour MP Bill Esterson met with Hightown Parish Councillors and residents to hear their objections to plans to build 13 new houses in the village.
Sefton Council has received a planning application for 13 two-storey houses to be built on land off Kerslake Way and Lower Alt Road.
Hightown Parish Council has made a formal objection to the proposal.
During his meeting with residents, Bill heard fears that the plans would be a strain on Hightown's already struggling infrastructure.
Bill said: "During my meeting with residents and parish councillors, they raised a number of concerns about the plans.
"They told me that the development would have a detrimental impact on local traffic and infrastructure, and would change the village environment this community has enjoyed for years.
"The current road network in and around Hightown struggles to accommodate traffic in the village at its current size. Residential expansion would place undue strain on the village’s narrow roads and single access point. In particular, access to the developed site would presumably require alterations to the footprint of the village’s only pub, to St Stephen’s Church, or to the protected Village Green.
"This would fundamentally alter the visual aspect of the centre of the village, as well as affecting the amenities the residents currently enjoy at the heart of their village.
"Increased activity at the local Altcar rifle range has also been noted by residents in recent years. The village shares its road network with MoD vehicles and residents feel that additional pressures from new housing would exacerbate traffic conditions.
"The properties immediately adjacent to the planned access road have very shallow foundations. Traffic movements immediately next to those properties could cause structural damage and I would ask that a full survey be made of the effect of a new road on the houses opposite the Hightown Hotel."
Bill is now writing to Sefton's planning department with the residents' concerns.
Bill said: "I sincerely hope the planning committee takes into due consideration the residents' concerns.
"This site is designated as urban green space. Housing developments such as this and the resultant pressures on infrastructure are not for the benefit of existing residents.
"Hightown is a small community and the surrounding open land is an integral part of the makeup of the village; I therefore share the legitimate and genuine concerns of a large number of its residents about the impact such developments will have on the nature of their semi-rural community."