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Trusted Construction Specialists

Building
Excellence
Together

Walsh & James Construction Ltd delivers premium construction solutions from groundworks to full builds, with unmatched craftsmanship and on-time delivery across London and the wider UK.

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Full Construction Services
From foundations to finishing, complete project management under one roof.
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New Builds
Custom homes and residential developments built to the highest specification.
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Renovations
Expert refurbishment and extension work with minimal disruption.
Fast Delivery
On-time project completion, every time — backed by our guarantee.
Walsh & James construction team at work

Built On Trust,
Delivered With Pride

Walsh & James Construction Ltd always committed to transforming homes, businesses, and communities. Our dedicated team combines deep expertise with an unwavering commitment to quality and client satisfaction.

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Fully Accredited
All work is carried out by qualified, insured tradespeople to the highest industry standards.
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End-to-End Management
We handle planning, procurement, build and handover seamlessly managed for you.
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Client-First Approach
Your vision drives every decision. We listen, advise, and deliver beyond expectations.

Our Services

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The Walsh & James
Difference

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Highly Trained Team
Highly trained professionals delivering safe, reliable, and industry-compliant workmanship on every project.
On-Time Delivery
We respect your time. Detailed project scheduling and proactive management keeps every build firmly on track.
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Transparent Pricing
No hidden costs, no surprises. Full itemised quotes and regular financial updates throughout the project.
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Fully Insured & Guaranteed
All work is fully insured and backed by our comprehensive aftercare guarantee for complete peace of mind.

Everything We Build

Walsh & James Construction Ltd offers a comprehensive range of construction services. Explore each one below.

New build residential construction in progress
Service 01

New Build Construction

From the initial groundbreak to the final walk-through, Walsh & James manage the complete construction of new residential and commercial builds. Every project is handled with meticulous attention to detail, delivering homes and buildings that stand the test of time.

Full project management from planning to completion
Bespoke design and specification input
Residential single plots and multi-unit developments
Strict adherence to building regulations
Fixed-price contracts available
Enquire About New Builds →
Home extension and renovation work underway
Service 02

Extensions & Renovations

Unlock the full potential of your existing property with a professionally designed and built extension or renovation. Whether it's a kitchen extension, loft conversion, or full property refurbishment, our team delivers transformative results with minimal disruption to your daily life.

Single and double-storey extensions
Kitchen and bathroom renovations
Loft conversions with full structural work
Open-plan reconfigurations and steelwork
Period property specialist experience
Enquire About Extensions →
Commercial office and retail construction
Service 03

Commercial Construction

We bring the same craftsmanship and project discipline to commercial construction as we do to residential. From office fit-outs and retail units to industrial warehouses and hospitality spaces, Walsh & James delivers commercially focused builds that are on-brand, on-budget, and on time.

Office fit-outs and CAT A/B builds
Retail and hospitality fit-outs
Industrial and warehouse construction
Tenant improvement works
Health & Safety compliance management
Enquire About Commercial →
Groundworks, excavation and foundation laying
Service 04

Groundworks & Foundations

Every strong building starts with solid groundwork. Our civil engineering team handles all aspects of site preparation, groundwork, drainage, and foundation construction. We get the ground level right so your build is supported for generations to come.

Site clearance and excavation
Strip and raft foundation construction
Underground drainage systems
Concrete slab and floor construction
Retaining walls and earthworks
Enquire About Groundworks →
Roofing installation and structural work
Service 05

Roofing & Structural Work

Protecting your building from the top down. Our experienced roofing and structural teams carry out a full range of works — from new pitched and flat roof installations to structural repairs and steel frame construction. Safety and longevity are at the core of everything we do.

New pitched and flat roof installation
Roof repairs and emergency works
Structural steel installation
Loft conversion structural work
Party wall agreement support
Enquire About Roofing →
Project management planning and coordination
Service 06

Project Management

Construction is complex but it doesn't have to be stressful. Our dedicated project managers take full ownership of your build from the first day to final handover, coordinating all trades, suppliers, and inspections whilst keeping you informed every step of the way.

Detailed programme and milestone planning
Procurement and supplier management
Regular client reporting and updates
Cost control and budget management
Building control and inspection coordination
Enquire About PM →
Ready to Start Your Project?
Get a free, no-obligation quote from our expert team today.
Request a Free Quote →

Start Your
Project Today

Ready to build? Get in touch for a free, no-obligation quote. Our team responds within 24 hours.

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Phone
Mon–Fri 7am–6pm, Sat 8am–1pm
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Email
We aim to reply within 24 hours
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Head Office
69 Brondesbury Park
London NW6 7AX
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Accreditations
CHAS · CITB · Constructionline
Fully insured — public & employers' liability
Request a Free Quote