North Somerset Council is also consulting on a preliminary draft charging schedule. Its consultation will run until Friday 4 January.
Kettering Borough Council's document proposes two charging zones for residential development. Residential developments in a "tier 1" area, including Kettering, Rothwell and Desborough, would face a charge of £50 per square metre.
Meanwhile, residential developments in a "tier 2" area covering rural parts of the borough would be charged at £100 per square metre.
The council’s preliminary draft charging schedule also proposes that large retail developments of over 280 square metres are charged at £125 per square metre.
Retail developments in Kettering would be charged at £60 per square metre under the proposals, while retail development in small towns and large villages would be exempt from the levy.
Property firm BNP Paribas Real Estate prepared a viability study for the local authority.
North Somerset Council, meanwhile, is proposing three charging zones for residential developments.
Under the plans, residential developments in Weston-super-Mare town centre would not be required to pay the levy, while those in outer Weston would face a charge of £40 per square metre. Residential schemes in the rest of the district should be charged at £60 per square metre, the preliminary draft charging schedule proposes.
North Somerset Council's preliminary draft charging schedule also proposes a charge of £120 per square metre for retail developments larger than 280 square metres.
Retail developments with less than 280 square metres of net sales space would face a charge of £60 per square metre, the document proposes.
Consultancy the Dixon Searle Partnership produced a viability study for the council.
Kettering Borough Council's preliminary draft charging schedule is available here. North Somerset Council's preliminary draft charging schedule is available here.