Residential Scale Thresholds – Page 6
What changes for a scheme at 1, 5, 10, 50 and 150 homes and at 0.5 and 1 hectare.
Residential Scale Thresholds articles – page 6
167 articlesThe 1,000 square metre floorspace trigger explained
Non-residential schemes become major development at 1,000 square metres of new floorspace or a one hectare site. The measurement convention you choose can decide which side of the line you are on.
What a single plot self-build needs that five plots do not
A single self-build plot and a five plot scheme face the same eight week timetable but very different evidence. Here is what actually changes, and the levy exemption steps that go wrong most often.
Fire Statement thresholds: when Gateway One applies
Article 9A of the DMPO requires a Fire Statement for relevant buildings at 18 metres or seven storeys. Here is how the measurement works and what it triggers.
The rural exception site threshold and how it works
Rural exception sites release edge-of-village land for affordable homes in perpetuity. Here is how the threshold works and what makes a scheme deliverable.
Active Travel England and the 150 unit consultation trigger
Active Travel England is consulted on major schemes at 150 dwellings, 7,500 square metres or 5 hectares. Here is what its assessment looks for and how to answer it before submission.
Counting units correctly for the major development test
The major development definition in the Development Management Procedure Order counts dwellings provided rather than the net increase. Here is how to count replacements, conversions, flats and mixed use schemes correctly.
Planning fees and their thresholds on a growing scheme
Planning fees change by unit count, site area and application type, and they are indexed annually. Here is the structure to budget from, and the charges that arrive after permission.
Major development in a National Landscape
There is no unit threshold for major development inside a National Landscape or National Park. The decision maker judges nature, scale and setting, then applies a presumption against permission unless exceptional circumstances are shown.
Energy and carbon evidence by scheme size
There is no national energy statement threshold. Local validation lists mostly bite at major development, and the policy expectations scale up again on larger schemes and in London.
Highway adoption and section 38 at estate scale
A section 38 agreement turns estate roads into highway maintainable at public expense. The adoptable geometry changes your plot count, so the decision belongs at layout stage rather than after permission.
Outline or full: how unit numbers change the choice
The choice turns on how much design you want to fix, who will build it, and how long the land sits between permission and a start. Scale changes those answers.
Splitting a site to stay below a planning threshold
Two applications for nine dwellings on land in the same ownership will usually be read as one scheme of eighteen. Here is how that judgement is made and what follows.
Viability evidence and what changes as scheme size grows
A policy compliant scheme needs no viability assessment. Everything after that depends on scale: abnormals, benchmark land value, review mechanisms and who pays for the audit.
Class MA floorspace limits and the conversion threshold
Class MA lost its floorspace cap and vacancy requirement in March 2024. The two-year continuous use test and the prior approval matters are what decide applications now.
Water and sewerage capacity objections as schemes get larger
Capacity objections rarely refuse a scheme. They turn into occupation conditions and two-year delays, and the time to deal with them is before the layout is fixed.
Bin storage and refuse access as a housing scheme grows
Refuse design fails applications quietly. Here are the carry distances, container volumes, vehicle geometry and conditions that decide whether a bin store survives consultation.
Play space and child yield as unit numbers rise
Play space follows children rather than dwellings. Here is how the yield is calculated, what the age bands require and where schemes lose area to officer discounts.
Conditions or a section 106 agreement: where the line falls
A condition cannot require money, bind third-party land or run with the title. Those limits decide most cases before convenience enters the discussion.
CIL liability thresholds and the exemptions
Development under 100 square metres escapes the Community Infrastructure Levy unless it creates a dwelling. Here is how liability is calculated, offset and relieved.
EIA screening thresholds for residential schemes
Residential schemes are screened, not automatically assessed. Here is how the Schedule 2 thresholds, sensitive areas and cumulative effects decide whether an Environmental Statement is needed.
The one hectare flood risk assessment threshold
Flood Zone 1 does not mean no assessment. Here is why the one hectare area test exists, which other triggers apply, and what a drainage-led assessment must contain.
Fire statements and the 1,000 square metre residential flag
The statutory fire statement trigger is height, not floorspace. Here is what the 1,000 square metre figure actually does, how it is measured, and how the two tests interact.
Biodiversity net gain on small sites and the exemptions
Biodiversity net gain reaches schemes of a single dwelling. Here are the small site thresholds, the four exemptions that come up most often, and the order the gain plan has to follow.
The 0.5 hectare rule: when site area makes you major
Site area alone can push a small housing scheme into the major category. Here is how the 0.5 hectare limb works, what belongs inside the red line, and what changes once you are major.
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