PlanScope Blog – Page 145
Practical guides to UK planning applications: which reports your council expects, permitted development, constraints, costs and how to prepare each document.
Articles – page 145
9383 articlesClass E to homes: the conditions people miss
Class MA applications usually fail on a qualifying condition rather than on design. Here are the conditions in the order an officer tests them, and what to do when one is not met.
Building close to a flood defence: byelaws and clearances
Permanent works within eight metres of a main river bank or flood defence need an Environment Agency permit, sixteen metres on tidal defences. The maintenance strip usually decides the layout.
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.
Basements and excavations: is digging down permitted development
Lowering a cellar floor is usually not development. A new structural basement, a lightwell or anything beyond the original footprint is a different question, and a certificate is the only safe answer.
Cinemas, bingo halls and other sui generis leisure uses
Cinemas, concert halls, bingo halls, theatres and live music venues are all sui generis, so every change into or out of them needs permission. Gyms and swimming baths sit in Class E instead.
Riparian ownership and what the duty involves
Own land beside a ditch or stream and you probably own the channel to its centre line, with duties to pass on flow and keep the bed and banks clear. Here is what that means in practice.
Hazardous installation consultation distances and housing
Inside a hazardous installation consultation distance the regulator either advises against a scheme or does not. Layout and occupancy are the only real levers, and glazing specification is not one.
Annexes for a relative and why Class E does not permit them
Class E covers outbuildings incidental to a house, and sleeping accommodation is not incidental. Here is how annexe permissions are actually obtained, and the conditions and levy position that follow.
Drinking establishment with expanded food provision
A drinking establishment and a drinking establishment with expanded food provision are two separate sui generis uses. Here is how councils tell them apart and why the description on your permission matters.
Blue roofs and attenuation on a podium deck
Where there is no ground level storage left, attenuation moves onto the roof. Here is what blue roofs and podium decks demand in loading, outlet control, waterproofing and maintenance.
Flood Zone 3b functional floodplain and what it rules out
Flood Zone 3b is defined by the council, not the national flood map, and only water-compatible development and essential infrastructure are appropriate there. Here is how to work with it.
Garage conversions: alteration, extension or change of use
Internal garage conversion is not development and infilling the door is usually permitted development. A condition requiring the garage to be kept for parking is what actually stops most schemes.
When a cafe inside a shop becomes a separate use
A cafe inside a shop rarely needs permission on use class grounds, since both sit in Class E. Conditions, Article 4 directions, sub-division and the flue are what actually cause trouble.
Worked internal daylight check for a lower ground flat
A worked internal daylight check for a lower ground floor flat lit from a light well, with every input stated, the result against BS EN 17037 and average daylight factor, and the design changes that matter.
Version control between consultants on one application
Reports that disagree about unit numbers or site area are the first thing an objector finds. Here is the document control a major application needs, from controlled schedules to the pre-submission check.
Infiltration testing to BRE Digest 365 in practice
A BRE Digest 365 test is three fills of a trial pit timed from 75 to 25 per cent of the effective depth, designed on the slowest. Here is how to get the fieldwork and the reporting right.
Sensitivity testing a result that sits near a threshold
A result two per cent from a policy threshold is the weakest part of any evidence base. Here is how to test it, report a range and close the argument before a consultee reopens it.
National Park purposes in development decisions
National Park authorities work to two statutory purposes, and conservation wins where they cannot be reconciled. Here is how that plays out in development management and what evidence to bring.
Finding the principal elevation on a corner plot
On a corner plot a house may have two principal elevations, and the land forward of either is outside Part 1 rights. Here is how the definition works and how to get it confirmed.
Warehouse to trade counter: where the use class sits
A trade counter in a warehouse may stay ancillary to Class B8 storage or may have become retail under Class E(a). Proportion, frontage, hours and customer base decide it, not a statutory percentage.
Basement impact screening checklist for a terraced house
Most councils with a basement policy want a screening check before any assessment. Here are the questions they ask about groundwater, surface water, movement and trees, and what triggers the full report.
Evidencing continuous use of a rural building: a checklist
Permitted development routes for agricultural buildings turn on use on a qualifying date, and the burden of proof is yours. Here is the documentary bundle that carries it.
Figures and drawings that make a technical chapter readable
A constraints plan relying on four shades of green fails the moment someone prints it in black and white. Here are the figure conventions that keep a technical chapter legible.
Peer review and the reviewer's scope of liability
Peer review means three different things, and the difference decides where liability sits. Here is how to define scope, review an AI-assisted draft and sign off in terms you can defend.
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