What Is a Pre-Application Planning Advice Service — and Should You Use It?
Most local planning authorities in England offer a pre-application advice service — a formal consultation with a planning officer before you submit a planning application. It costs money, it adds time, and many applicants skip it. But in the right circumstances, it can save significant time and cost compared to submitting a speculative application that comes back with refusal or extensive required amendments.
What Is Pre-Application Advice?
Pre-application advice (pre-app) is a paid service offered by the local planning authority (LPA) where you submit outline proposals — typically drawings, a site plan, and a description of the project — and a planning officer reviews them and provides a written response. The response typically covers: whether the principle of development is likely to be acceptable; any specific concerns about design, scale, materials, or impact on neighbours; which planning policies are most relevant; and what supporting information will be required with any formal application.
Most London boroughs offer tiered pre-app services with different fee levels depending on the scale and type of project. For householder extensions, fees typically run from £200–£600. For larger residential or commercial schemes, fees are significantly higher.
When Pre-Application Advice Is Worth It
Complex or sensitive sites. If your property is in a conservation area, adjacent to a listed building, in an area with specific planning sensitivities, or has a planning history that might affect the current proposal, pre-app advice from the relevant officer is almost always worthwhile. Understanding the officer's view before committing to a full application and architect fees saves money if the scheme needs redesigning.
Novel or uncertain proposals. Where the proposal doesn't fit neatly into an established category — an unusual design, a non-standard change of use, or a proposal that sits at the edge of permitted development — pre-app advice helps establish the principle before significant professional fees are spent.
Neighbour-sensitive developments. Where you anticipate neighbour objections, understanding the planning officer's likely view in advance allows you to assess whether the application is likely to succeed despite objections, and whether any design modifications could reduce the sensitivity.
When Pre-Application Advice Is Less Valuable
For straightforward extensions on unrestricted properties where the proposal is clearly within established PD or planning policy, pre-app advice rarely adds value that your architect or planning consultant cannot provide from their own experience. The time and cost of a pre-app round for a standard rear extension is usually better spent on refining the design rather than asking the council to tell you what your architect already knows.
The Limitations
Pre-application advice is a professional opinion, not a commitment to grant permission. Planning officers can change, policies can be interpreted differently at application stage, and committee decisions can override officer recommendations. Pre-app advice reduces uncertainty but does not eliminate it.
RCB coordinates pre-application advice services as part of our design-and-build pre-construction process for projects where it adds genuine value — helping clients understand their planning position before committing significant design fees.
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