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Written by Sam JonesReviewed by UK Planning Guide Editorial Review DeskLast reviewed 11 April 2026Official-source context The national planning-process baseline, the main qualifier that usually changes it and the deeper guide or formal check worth opening next.Verify before spending Stop and verify when the answer now depends on one exact address, one tight threshold or a decision that would be expensive to get wrong.
Planning FAQ

Planning Permission Questions, Answered Clearly

Use the FAQ library for broad planning questions about permission routes, restrictions, applications, timings and verification. If you already know the exact project or council area, the stronger next step is usually the matching guide rather than another general explainer.

Central answer library

What This FAQ Hub Does Best

Best fit

Your question is about process, timing, permissions, restrictions or verification rather than one exact build type.

What usually complicates it

Local controls, listed status, conservation areas, Article 4 and borderline measurements often push a broad process question into a project or council page.

Safest next step

Start here when the question is still broad. Switch to the matching project, council or tool page as soon as the blocker is specific enough to name clearly.

Starting a Project

Applications and Process

Applications and Process

When A Lawful Development Certificate Is Worth It

A lawful development certificate gives formal written confirmation that a project is lawful, usually because it falls within permitted development.

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Applications and Process

How Long Does Planning Permission Usually Take?

There is no single answer that fits every planning application because timelines depend on complexity, consultation requirements, case officer workload and whether the submission is complete when it arrives.

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Applications and Process

Planning Permission Vs Permitted Development: Which Route Applies?

People often use planning permission as shorthand for every kind of approval question, even where the real issue is whether the proposal can rely on permitted development rights instead.

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Applications and Process

Lawful Development Certificate Vs Planning Permission: Which One?

Both routes involve the council and both can require a strong drawing pack, so homeowners often assume they are interchangeable.

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Applications and Process

Prior Approval Vs Planning Permission

Prior approval sits in the middle ground between a simple permitted development assumption and a full planning application.

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Applications and Process

What Drawings Do I Need For Planning Permission?

Planning decisions are evidence-led.

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Applications and Process

Can Neighbours Stop Planning Permission?

Neighbour objections are one of the most emotionally charged parts of the planning process because they make the application feel public, uncertain and potentially confrontational.

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Applications and Process

Is Pre-Application Advice Worth It?

Pre-application advice is often worth it where the scheme is in a conservation area, affects neighbours significantly, has design risk, or could become expensive to redraw later.

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Applications and Process

What Happens After Planning Permission Is Approved?

A decision notice often includes conditions, approved plans and timing requirements that shape what can actually be built and when.

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Applications and Process

What Happens If Planning Permission Is Refused?

The most important part of a refusal is the reasoning.

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Special Restrictions

Project Design

Measurement and Definitions

Property Value and ROI

Property Value and ROI

Does An Extension Add Value To A House?

Extensions often add value because they create extra usable space, improve layout and make a property fit modern buyer expectations better.

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Property Value and ROI

How Much Value Does A Rear Extension Usually Add?

Rear extensions can perform strongly because they often improve the part of the house people use most.

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Property Value and ROI

How Much Value Does A Loft Conversion Usually Add?

Loft conversions can perform well because they often turn underused roof space into the kind of accommodation buyers value immediately, especially an extra bedroom suite.

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Property Value and ROI

How Much Value Does A Two Storey Extension Usually Add?

Two storey extensions can produce a stronger uplift because they often improve both floors at once.

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Property Value and ROI

Extension Cost Vs Value Added

A project can add value and still be a weak financial move if the likely uplift is smaller than the total spend.

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Property Value and ROI

Does Planning Permission Affect Property Value?

Planning permission does not automatically add value in the same way extra accommodation can.

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Property Value and ROI

How Much Value Does A Side Extension Usually Add?

Side extensions often perform best when they solve layout problems the original house never handled well.

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Property Value and ROI

How Much Value Does A Wraparound Extension Usually Add?

Wraparound extensions can create a more dramatic whole-house improvement than a simpler rear or side addition alone.

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Property Value and ROI

Which Extension Adds The Most Value?

The extension that adds the most value depends on what the property lacks now.

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Property Value and ROI

Does An Extra Bedroom Add Value?

Bedroom gain is often one of the clearest reasons an extension or loft project can add value strongly.

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Property Value and ROI

Is A Loft Conversion Worth It?

Loft conversions usually look strongest when they create valuable accommodation from space that was previously underused.

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Garden Rooms and Outbuildings

Home Extensions

Temporary Buildings

Rural and Agricultural

Access and Driveways

Good next steps

Useful Next Steps

Personalised planning guidance

Still Need A More Tailored Answer?

Use the FAQ library to narrow the issue first. If the real answer still depends on your exact property, project details or local context, the structured guidance form is the cleanest next step.

Best for

Borderline, awkward or site-specific cases where broad guidance has helped, but the answer still turns on facts that are unique to your property or proposal.

What the reply aims to do

The reply aims to narrow the likely route, flag the tripwires that matter most, and tell you which verification step is safest before more money is spent.

What to include

Property type, council area, location, the change you want to make, approximate dimensions, relevant heritage or flat-related details, previous additions and the main concern.

Important: Replies are informational personalised guidance based on the details you provide and publicly available information. They are not formal legal, architectural, surveying or council advice. Site-specific or borderline cases may still need checking with the local authority or a qualified specialist before drawings, applications or contractor spend move ahead.

Your enquiry details are used to respond to your request. Anonymised themes may be used to improve guides, tools, FAQs and site content. Identifiable case details are not published without permission, and sending an enquiry does not sign you up to marketing emails. Privacy notice.

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