Is Harnham in a conservation area?

Old Harnham (the historic village near the river) has conservation area status. The 1960s–1980s estates in the newer parts of Harnham are not designated and have standard PD rights. We check your exact address during our assessment.

Can I extend near the River Avon in Harnham?

Properties near the river may be in flood zones 2 or 3. Extensions are still possible, but a Flood Risk Assessment may be required and flood-resilient construction details should be incorporated. We identify flood zone status as standard.

Extension Plans in Harnham, Salisbury

Harnham is a residential area south of Salisbury city centre, across the River Avon. The area offers a mix of period and modern properties within walking distance of the city. East and West Harnham have distinct characters, with period cottages in Old Harnham and 1960s–1980s estates in the newer parts.

Property mix in Harnham

Period cottages in Old Harnham (some listed), 1960s–1980s houses in the newer estates, and some larger detached properties. The older parts have conservation area status. The newer estates offer straightforward extension opportunities with standard PD rights.

Our services in Salisbury

Structural Wall Removal

from £6,500

Structural wall removal for Poole homeowners: survey, structural calculations, Building Control, RSJ installation and making good handled as one route.

RSJ Installation

from £6,500

RSJ and steel beam installation for Poole structural openings, kitchen knock-throughs and wall removals with engineer and Building Control support.

Kitchen Knock-Through

from £9,000

Kitchen knock-throughs and open-plan kitchen structural alterations in Poole, including wall removal, RSJs, Building Control and making good.

Single-Storey Extension Builder

priced after fit check

Single-storey extension builder in Poole for rear extensions, kitchen extensions and controlled watertight shell projects with design, approvals and build route joined up.

3D Laser Survey

£650

A 1.5-hour on-site visit with a 3D laser scanner to capture millimetre-accurate measurements of your property. The foundation for precise structural calculations and planning drawings.

Structural Calculations

£350

Engineer-certified structural calculations for your extension or wall removal. Covers beam sizing, foundation design, and Building Regulations compliance.