GML ConstructionLondon
Est. 2003 · 20 Years in North London

Building the homes
North London trustswith its biggest investment.

High-value extensions, renovations and structural work for period properties across Hampstead, Highgate and Central London — delivered by our own trades, start to finish.

Victorian London townhouse with a modern rear extension by GML Construction
Project Example — Structural & Interior Fit-Out
0Years Trading
0Services In-House
0+Projects Completed*
0%Fully Insured
What We Offer

Sixteen services. One point of contact.

Every job below is handled directly by our own teams — no subcontracting out the parts we can't stand behind.

Home Refurbishments

Full-property refurbishments that preserve period features while modernising everything behind the walls.

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Renovations

Whole-house renovations planned and project-managed from first sketch to final handover.

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Loft Conversions

Loft conversions that add genuine headroom and living space, not just a staircase.

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Repair & Rendering

External rendering and brickwork repair that fixes the underlying cause, not just the crack.

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House Extensions

Side-return, rear and double-storey extensions engineered for period properties.

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Structural Works

Load-bearing wall removal, steel installation and underpinning, signed off by structural engineers.

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Roofing & Repairs

Re-roofs, repairs and maintenance across slate, tile and flat roofing.

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Patios & Driveways

Patios, driveways and outdoor hard landscaping built to complement the main build.

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Electrical Works

Rewires, consumer unit upgrades and certified electrical work tested to current regs.

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Doors & Windows

Sash window restoration, bifolds and secure external doors fitted with period properties in mind.

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Kitchen Installs

Design, plumbing, electrics and fit coordinated as one project, not three separate trades.

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Bathroom Installs

Full bathroom refits including tanking, tiling and fittings for London's older plumbing.

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Plumbing Services

Leak repairs to full re-piping — the same plumbers from quote to completion.

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Decoration & Painting

Interior and exterior decoration as the final stage of a renovation, or standalone.

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Commercial Shopfitting

Retail and hospitality fit-outs delivered to a fixed timeline.

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Commercial Renovations

Office, retail and mixed-use commercial renovations, same accountable approach.

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Project Gallery

A working record, by postcode.

Project examples across North and Central London, tagged by area and trade.

Structural extension in Hampstead
Project ExampleExtension — Groundworks
Side-return extension in Highgate
Project ExampleExtension — Structural
Kitchen extension fit-out
Project ExampleFitted Joinery
Period property refurbishment
Project ExampleFull Refurbishment
Why GML

What twenty years actually buys you.

One team, start to finish

The same site manager who quotes the job runs it. No handoff to a different crew halfway through.

Straight, written quotes

Fixed pricing before work starts, with variations agreed in writing — not added to the invoice afterward.

Built for period homes

Most of our work is in Victorian and Edwardian properties — we plan around old walls, not against them.

Fully insured, every job

Public liability cover and trade-specific certification on every project we take on, no exceptions.

From Clients

What people say once the dust settles.

“Genuinely felt looked after from the first meeting to the final walkthrough.”

Despina M., Hampstead

“Attention to detail and craftsmanship made our dream home a reality. Transparent the whole way through.”

Christine Rose

“Reliable and precise on a commercial project — a level of expertise we'd happily engage again.”

Katrina Grace

Tell us about the job — we'll call back within one working day.