Constraints and Designations – Page 3
Green Belt, conservation areas, flood zones, SSSIs and other designations, and the reports they trigger.
Constraints and Designations articles – page 3
294 articlesMajor accident hazard pipelines and consultation distances
A major accident hazard pipeline brings consultation zones, an operator easement and restrictions on building, excavating and planting. Design around it before the layout is fixed.
National Landscapes and the strengthened statutory duty
AONBs became National Landscapes in 2023, and the duty on decision makers was strengthened from having regard to the statutory purpose to seeking to further it. That shifts what evidence has to show.
Green Belt purposes and inset settlements
An inset village sits outside the Green Belt and a washed over one does not, which changes everything about what can be built. How the distinction is made and what follows from it.
Tree Preservation Orders: checking and the exemptions
Dead, dying and dangerous no longer describes the law. What the 2012 Regulations actually exempt, the notice each exemption needs, and the replanting duty that survives a lawful removal.
Noise Important Areas and what they signal
Noise Important Areas come from national modelling, not from a planning designation. They are a prompt to measure, and a weak basis for refusing anything.
World Heritage Site buffer zones and attributes of value
A buffer zone is not a statutory designation. What matters is whether your scheme affects the attributes that carry Outstanding Universal Value, which is a different assessment entirely.
Common land and village greens as development constraints
Planning permission does not authorise works on a common, and a registered green has no consent route at all. Where the registers sit in site due diligence.
Groundwater abstraction points and private supplies
A neighbour's borehole creates contamination and derogation risks that no constraints search returns. The 50 metre drainage field rule often decides the layout.
Settlement boundaries and the countryside policy line
A settlement boundary is a local plan line with no statutory force but the full weight of the development plan. What shifts the argument, and what never does.
MOD safeguarding zones and explosives storage areas
Defence safeguarding zones radiate well beyond anything that looks military on a map. Explosives areas are assessed on population at risk, technical sites on radar and interference.
Mineral consultation areas against safeguarding areas
A minerals safeguarding area is a plan designation protecting the resource. A mineral consultation area is the referral trigger in two-tier areas. The difference changes what you submit and how long determination takes.
Errors on a policies map and how to deal with them
Where a policy defines its boundary in words, the words govern and the map is a drawing of them. How to tell a digitising slip from a deliberate line, and what to do about each.
Woodland and blanket tree preservation orders in practice
Individual, group, woodland and area classifications look the same on a constraints plan and behave very differently. How to read an old order and what the exemptions really allow.
Article 2(3) land and the permitted development it removes
Rear dormers, side extensions, two-storey rear extensions and cladding all fall away on article 2(3) land. What the designation covers and how to confirm it applies.
Designated rural areas and the affordable housing threshold
National policy exempts non-major housing from affordable contributions, except in designated rural areas where a threshold of five units or fewer is permitted. How to check whether a parish is designated.
Locally listed buildings and what a local list changes
You do not need listed building consent for a locally listed house, and you may still be refused permission for the extension. The balanced judgement is what decides it.
Designations that appear after you buy the land
A designation made by direction or order can arrive with no statutory consultation and sometimes with immediate effect. Compensation should never appear in the underwriting.
When a site straddles two designation boundaries
Two policy regimes now apply to one site, each to the part it covers, and the boundary itself may be wrong by enough metres to change the answer.
Safeguarded land for future development and its status
Land safeguarded for needs beyond the plan period carries no Green Belt protection and no allocation. The route to development is the next plan review, not an application.
Development adjoining a canal or navigable waterway
A canal frontage adds a landowner, a statutory consultee and an engineering constraint. What the waterway authority asks for and how to programme around it.
Nitrate vulnerable zones and what they mean for development
Designation is farm regulation rather than a planning constraint, but it decides whether a new livestock building has anywhere to put the slurry. What to calculate and submit.
Town or village green registration and a development site
Registration as a town or village green stops development without compensation. The statutory test, the trigger events that block an application and the deposits that protect a site.
Landfill gas and the consultation distance around old tips
Development within 250 metres of a former tip triggers Environment Agency consultation. What decides the application is ground gas monitoring, the characteristic situation and verification.
Major accident hazard pipelines and building proximity
A hazardous pipeline brings two constraints: a notified building proximity distance the regulator advises on, and an easement the operator enforces privately. Both have to be solved.
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