Contact Us
Certified, insured chartered structural engineers serving West London and Hertfordshire — extensions, knock-throughs, surveys, basements and home renovations, with free first consultations.Call 0207 101 3687 or email info@boltstructures.com for a free quote.
REGUS, 79 College Rd,
Harrow HA1 1BD
6 Andersons Croft, Cotterells, Hemel Hempstead HP1 1AG
0207 101 3687
info@boltstructures.com
From the first call to the final sign-off, our process is simple, transparent and built around you. A chartered structural engineer is involved at every step — no handovers, no hidden fees, no surprises.
Bolt Structures Limited is a UK-registered, fully insured chartered structural and civil engineering consultancy. Our team carries £2m professional indemnity insurance and a 100% success rate on Building Regulation applications.
North West London and Hertfordshire, with a strong focus on areas including Ealing, Greenford, Hayes, Stanmore, Edgware, Bushey, Borehamwood, Harrow, Wembley, Northolt, Ruislip and surrounding locations.
Our structural engineering services also extend across key parts of West London and into Hertfordshire, covering areas such as Watford, Hemel Hempstead, Northwood, Pinner, Uxbridge, Acton and Hillingdon.
Whether you’re searching for a structural engineer near you in North West London or need support on a project in Hertfordshire, Bolt Structures provides fast, reliable and fully compliant engineering solutions across all nearby towns and boroughs.






Our Engineers are chartered and experienced, maintaining our 100% building regulation approval rate
We have 12+ years of experience so nothing about your project will be a surprise
We have a 100% building regulation approval rate, meaning your project won't get endlessly delayed
Our pricing remains transparent and clear, so you know exactly how much your project will be
Call 0207 101 3687 for a no-obligation quote
We discuss your project, understand your goals, and advise on structural requirements during a free site visit.
Our certified engineers complete calculations, drawings and Building Regulation checks tailored to your home.
We support your contractor on site — answering queries, attending key stages, and liaising with Building Control.
The fastest route is the phone — call 0207 101 3687 Monday to Friday, 9am to 6pm, and a chartered structural engineer will pick up. Outside hours, leave a message or use the contact form and we’ll come back same working day.
For most projects, yes. Drawings lie, measurements don’t — a quick site visit lets us scope the job properly and avoid quoting on assumptions. We don’t charge for the initial visit on most domestic projects.
Most written quotes are turned around within 24–48 hours of the call or site visit. We know you’re often working to a builder’s start date.
Yes — Bolt Structures is fully insured with £2m of Professional Indemnity cover and full Public Liability. Insurance certificates are available on request before any work starts.
We cover West London — including Harrow, Ealing, Chiswick, Richmond, Kingston, Hammersmith & Fulham, Kensington, Acton, Hounslow, Pinner and Ruislip — and Hertfordshire, including Hemel Hempstead, Watford, St Albans, Berkhamsted, Tring and the surrounding towns. Two offices, one team.
Domestic structural work — extensions, lofts, knock-throughs, chimney breast removal, basement schemes, retaining walls, structural surveys and Party Wall coordination. We also handle commercial and renovation projects within our West London and Hertfordshire service area.
Yes. Bolt Structures Limited is a UK-registered chartered structural and civil engineering consultancy — registered with Companies House and the relevant professional bodies. Chartered status (MIStructE / MICE) sits behind every signed deliverable.
Fees are project-specific, but we publish honest ranges before any commitment. Most domestic structural designs sit in the £400–£2,500 range; surveys typically £350–£950; basements and complex projects more. The first call is always free.
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