Living in a Conservation Area — Planning Restrictions and Permitted Development

What Is a Conservation Area?

A conservation area is an area of special architectural or historic interest, the character or appearance of which it is desirable to preserve or enhance. Conservation areas are designated by local planning authorities (LPAs) under the Planning (Listed Buildings and Conservation Areas) Act 1990. There are approximately 10,000 conservation areas in England.

Unlike listed buildings, conservation area designation applies to an area rather than individual structures. It includes unlisted buildings, open spaces, trees, and street patterns that contribute to the area’s overall character.

How Does Designation Affect What You Can Do?

Article 4 Directions

In most conservation areas, the LPA will have made one or more **Article 4 Directions** that remove some or all permitted development rights from properties within the area. Common permitted development rights removed in conservation areas include:

• Cladding the exterior with stone, artificial stone, pebble dash, render, timber, plastic, or tiles
• Enlarging or altering the roof
• Adding a satellite dish to a chimney, wall, or roof facing a public highway
• Adding solar panels to a roof slope facing a public highway (in some areas)
• Converting from residential use

This means works that would be permitted development on an identical property outside the conservation area may require planning permission inside it.

Demolition Controls

In a conservation area, demolishing any building with a volume exceeding 115 cubic metres requires **Conservation Area Consent** (now handled under the planning permission system). You cannot demolish a wall, gate, or fence in a conservation area without consent.

Prior Notification for Extensions

Even where Article 4 Directions do not apply, any extension or alteration to a property in a conservation area that faces a highway may require planning permission rather than falling under permitted development.

Trees in Conservation Areas

All trees in a conservation area are protected. Before carrying out any works to a tree in a conservation area — including pruning or felling — you must give the LPA **6 weeks’ written notice**. The LPA can use this period to make a Tree Preservation Order (TPO). If they do not respond within 6 weeks, works can proceed.

Applying for Planning Permission in a Conservation Area

When assessing applications in conservation areas, the LPA must give special attention to the desirability of preserving or enhancing the character or appearance of the area. Applications should be accompanied by a **design and access statement** that explains how the proposal responds to the character of the conservation area.

Unsympathetic materials — such as uPVC windows or modern render — will frequently be refused in conservation areas. Traditional materials such as timber sash windows, lime render, and natural slate are almost always preferred.

Checking Conservation Area Status

Conservation area boundaries are published on the LPA’s website and on the Planning Portal. Your solicitor will check this as part of the local authority search at purchase. Your Property Passport also flags conservation area status where data is available, so you can check before starting any works.

Impact on Property Value

Properties in conservation areas often command a price premium due to the quality of their surroundings and the restrictions on unsympathetic development nearby. However, the additional consent requirements can add time and cost to renovation projects. Factor this into your plans before purchasing or undertaking works.