Harrow · London

Extension Drawings and Snagging Surveys in Harrow

Engineer-led extension design, structural calculations and independent new-build inspections in Harrow. Part of our England-wide service.

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Extensions in Harrow

Planning, Building Regulations and Structural Calculations

Householder planning applications in the London borough of Harrow are decided by London Borough of Harrow. Many London boroughs have extensive conservation areas and Article 4 directions that limit permitted development, so we check your street and the borough's design guidance before we draw anything.

Planning Drawings From £650

Design Prices Can I Extend?

How Our Extension Design Service Works

New Builds in Harrow

Snagging and Pre-completion Inspections

Inspections in Harrow are carried out by a qualified inspector who is a member of a recognised professional body for surveying (such as RICS, CIOB or CABE) to our checklist, and every report is checked by our lead engineer before it reaches you. Design work is done by our engineer, working from a site visit arranged through a local partner or a 3D scan.

Buying from an NHQB-registered developer? You can request an independent pre-completion inspection. Check your window.

Inspections From £325

Instant Price Sample Report

Coverage

Where We Work in Harrow

Harrow is in Greater London, about 85 miles south-east of our Solihull base as the crow flies. Inspections here are carried out through our England-wide inspector network, and design work is done by our engineer.

Postcode Districts

HA1HA2

Neighbourhoods Around Harrow

Greenhill, Harrow on the Hill, Headstone, Marlborough, North Harrow, Northwick Park, West Harrow, Pinner, Pinner South, Rayners Lane, Roxbourne and Roxeth.

Nearest Places We Cover

Brent2 miles
Ealing4 miles
Hillingdon6 miles
Watford6 miles
Hammersmith and Fulham7 miles
Hounslow7 miles
Richmond upon Thames8 miles
Kensington and Chelsea8 miles
Camden9 miles
Barnet9 miles

All of London

Harrow Questions

How Much Are Extension Drawings in Harrow?

Planning drawings for a single-storey extension start at £650, both stages at £1,350, and the Complete package with structural calculations at £1,695. Council fees are paid to London Borough of Harrow.

How Much Is a Snagging Survey in Harrow?

From £325 for a flat, £370 for a 3-bedroom house and £429 for 5 bedrooms.

Do You Cover All Harrow Postcodes?

Yes. We cover all of Harrow and the surrounding area. Its postcode districts include HA1 and HA2, as part of our England-wide service.

Who Inspects Homes in Harrow?

A qualified inspector who is a member of a recognised professional body for surveying, with the report checked and signed off by our lead engineer.

Ready for a Fixed Price?

Tell us about your project or the home you're buying. You'll get a clear, fixed quote, usually the same day.

Get a Price Snagging Prices