PlanScope Blog – Page 319
Practical guides to UK planning applications: which reports your council expects, permitted development, constraints, costs and how to prepare each document.
Articles – page 319
8821 articlesDaylight evidence at appeal and what inspectors weigh
An appeal can be allowed on a scheme that fails the vertical sky component test at several windows, and dismissed on one that passes everywhere. Both can be perfectly reasoned.
Walkthrough: a barn converted under Class Q prior approval
Class Q fails on three things more often than any others: a building that needs rebuilding, use evidence that cannot be dated, and a field access with no visibility. An illustrative walkthrough.
Outline permission or permission in principle
One is a permission with matters reserved. The other establishes location, use and amount and nothing else. The difference decides what a lender treats as a consented site.
Which reports a basement extension in London needs
A basement needs a longer document list than almost any householder project, and the reason is the neighbours rather than the design. Most boroughs also audit the assessment at your cost.
Open Space Assessment: quantity, quality and accessibility
A development can create a quantitative surplus and still leave a neighbourhood with nowhere decent to go. That is why councils assess quality and accessibility alongside hectares.
Conservation covenants under the Environment Act 2021
English land law has never handled positive obligations well. Part 7 of the Environment Act 2021 solved that for conservation purposes, which is why habitat banks now use covenants.
Moving within Class E: the evidence to keep
No application, no decision notice, no record. Build the evidence file at the time of the change, while the documents are to hand and the people who know still work there.
Class C rooflights and the 150 millimetre rule
150 millimetres is less generous than it sounds once the upstand, frame and flashing kit are added. The measurement is perpendicular to the original roof surface, not vertical.
Transport planner competence and the trip rate database
Competence and data access are different things. A consultant without a trip rate database subscription cannot derive the rates a highway authority expects to see.
Solar reflection and glare from glazing as an amenity issue
Daylight work measures the light a window receives. Glare work models the light a facade sends back out, where it lands and for how long. Different software, different receptors, different criteria.
Walkthrough: a new dwelling in Flood Zone 2
A single dwelling in Flood Zone 2 needs a sequential test and a flood risk assessment, and no exception test. An illustrative walkthrough of the whole sequence, with no figures taken from a real case.
Section 73 or section 96A: which amendment route
The difference sounds procedural and it is why most amendment decisions go wrong. A section 73 permission arrives with fresh conditions, a new levy calculation and no obligation attached.
The report pack for a solar farm on agricultural land
Two things drive a solar farm application that never feature in a housing scheme: the quality of the soil under the panels and the reflection off the glass above them.
Utilities Assessment: capacity enquiries section by section
The council wants to know the site can be served. The board wants the cost and the date. Both answers come from the same enquiry log, assembled in the right order.
Local Nature Recovery Strategies and their planning weight
The strategy carries no statutory plan primacy. What it does is change the number of biodiversity units a hectare of created habitat is worth, which is where it earns attention.
Class E(g)(iii) light industrial: what actually qualifies
The Class E(g)(iii) test is about the process, not the location. A spray booth fails it on an industrial estate. Quiet assembly passes it behind a parade of shops.
Class B roof enlargement and the volume allowances
The Class B allowance is the whole question for most loft conversions. Earlier dormers count against it, end terraces get 40 rather than 50, and volume is measured externally.
Suitably qualified persons for land contamination reports
No protected title, no licence, no statutory register. What councils actually test is whether the author has done this before on a site like yours, and the conceptual site model is where that shows.
Roof level plant and photovoltaics on a flat roof
Roof plant raises three questions at once: how it reads from above, whether fire can spread across it, and whether anyone can reach it safely. Different people answer each, on different drawings.
Telecommunications compliance statement: what goes in it
A Part 16 prior approval turns on siting and appearance alone. Here is what the compliance statement has to certify, who signs the ICNIRP declaration, and the site search evidence officers actually read.
Roof extensions and light to the neighbour's rear window
A rear dormer usually sits outside the sky zone that matters to a ground floor window. The hip-to-gable flank wall is the roof alteration that does affect daylight, and privacy is what decides most objections.
Walkthrough: a householder appeal decided on daylight
An illustrative walkthrough of a householder appeal turning on daylight and outlook, from the single refusal reason to the site visit and the decision. No figures are taken from a real case.
Preliminary ecological appraisal or protected species survey
One is a desk study and a walkover that grades potential. The other is seasonal fieldwork by a licensed ecologist. Commission them in the wrong order and a self-build programme loses a season.
Which reports a farm diversification holiday let needs
Class Q is the wrong door for holiday letting. Here is the change of use route that works, the ecology and drainage evidence councils ask for, and how holiday occupancy conditions are usually worded.
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