The ConstructionLtd

London's Construction Experts

Build Something Extraordinary

Extensions, loft conversions, basement conversions, and full renovations delivered across every London borough and the Home Counties. London-grade quality. Transparent pricing. No surprises.

500+Projects Completed
46Areas Covered
48hQuote Turnaround
100%Fixed-Price Contracts
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Projects Completed
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Featured Projects

A selection of recent projects across London and the Home Counties.

View All Projects
Full Renovation
£850,000
Belgravia, SW1

Georgian Townhouse Refurbishment

Comprehensive refurbishment of a 5-storey Grade II listed Georgian townhouse. New mechanical and electrical systems throughout, bespoke kitchen and six bathrooms, restoration of original plasterwork and timber panelling.

Extension
£72,000
Battersea, SW11

Victorian Terrace Rear Extension

5-metre rear extension with bi-fold doors, underfloor heating, and a contemporary open-plan kitchen-diner. Structural glazed roof flood the new space with natural light.

Basement
£320,000
Belsize Park, NW3

Single-Storey Basement Conversion

New-dig basement under a Victorian semi creating a home cinema, gym, and utility room with external light well. Full compliance with Camden's basement planning policy.

Loft Conversion
£65,000
Stoke Newington, N16

L-Shaped Dormer Loft Conversion

L-shaped dormer creating a master bedroom suite with en-suite shower room, walk-in wardrobe, and built-in storage. Completed within permitted development limits.

Extension
£125,000
Richmond, TW9

Period Property Rear Extension

5-metre rear extension with large-format glazing to a Victorian semi in the Richmond conservation area. Natural slate and matching stock brick to satisfy conservation officers.

Basement + Extension
£320,000
Parsons Green, SW6

Basement & Rear Extension Combined

New basement room plus rear extension to a Victorian mid-terrace, creating a spectacular triple-aspect living space. Side return infill and glass lantern roof.

The Standard You Deserve

We built this company around one principle: construction done the right way. That means fixed prices, clear communication, and a result that matches your ambition.

“Every client should be able to pick up the phone at any point during their project and get a straight answer. That's the promise we make — and the standard we hold ourselves to.”

The Construction Ltd

Fixed-Price Contracts

We agree the full price before work begins. No hidden extras, no end-of-project surprises. Every penny of your budget is accounted for in writing.

On-Time Delivery

Our project management system tracks every milestone. If a delivery is delayed or a trade is behind schedule, we resolve it — not you.

Fully Insured & Compliant

All projects are covered by comprehensive public liability insurance. We manage Party Wall agreements, Building Regulations, and planning consents in full.

Dedicated Project Manager

Every project has a named project manager — a single point of contact you can call, text, or email at any point from survey to handover.

Guaranteed Workmanship

We stand behind every build. All structural and significant works are backed by a written guarantee, giving you complete post-completion peace of mind.

London Specialists

From navigating conservation area planning to building in dense London streets, our team has the expertise and experience your project demands.

From First Call To Final Handover

A clear, structured process that keeps you informed and in control from day one.

01

Free Consultation

We visit your property, listen carefully to your goals, and assess the structural and planning opportunities. No obligation, no pressure.

Typical: 48 hours
02

Design & Planning

Our in-house design team prepares detailed drawings. We submit planning applications, manage conservation officer consultations, and secure all necessary consents.

Typical: 4–12 weeks
03

Fixed-Price Contract

You receive a fully itemised, fixed-price contract covering every element of work. No provisional sums, no hidden costs — just complete certainty.

Typical: 1 week
04

Build & Manage

Your dedicated project manager oversees every trade, conducts daily site checks, and keeps you updated throughout. You have one number to call for everything.

Typical: 8–24 weeks
05

Handover & Snagging

We conduct a full snagging inspection before handover, resolving every defect to your satisfaction. Your project is only complete when you are satisfied.

Typical: 1–2 weeks

Start Your Project Today

Whether you're planning a modest kitchen extension or a full townhouse renovation, our team is ready to help. Tell us about your project and we'll provide a detailed, fixed-price quote within 48 hours — no obligation, no pressure.

  • Free site visit and consultation
  • Detailed fixed-price quote
  • In-house planning and design
  • Dedicated project manager

Get Your Free Quote

We respond to all enquiries within 48 hours.

Or call us now: 07438 319930

What Our Clients Say

Every review reflects a real project, a real client, and a real result.

They transformed our 1930s semi into something extraordinary. The rear extension and kitchen renovation exceeded every expectation. Professional from start to finish — on time, on budget, and no surprises.

James & Sarah T.

Wandsworth

Rear Extension & Kitchen

We'd been quoted by five other companies. These guys not only came in competitively, they actually delivered on time and on budget. Our loft conversion is stunning. I would recommend them without hesitation.

Mark R.

Islington

Loft Conversion

From planning permission to final handover, the communication was exceptional. Our full property refurbishment in Kensington was handled with real craftsmanship. Every detail was attended to.

Olivia H.

Kensington

Full Property Refurbishment

The basement conversion added serious value to our property. The team managed everything — structural engineers, party wall surveyors, building control. We just watched it come together beautifully.

David & Priya M.

Hampstead

Basement Conversion

Absolutely brilliant service from first contact to handover. Our wrap-around extension in Ealing has completely changed how we live. The open-plan kitchen-family room is exactly what we envisioned.

Claire & Tom B.

Ealing

Wrap-Around Extension

5.0 average across all reviews

Fully Insured

Public liability covered

Fixed-Price

No hidden extras

Guaranteed Work

Written warranty

On-Time Delivery

Project managed

Secure Payments

Stage payments only

5-Star Rated

Verified reviews

Ready to Start Your Project?

Get a free, no-obligation quote within 48 hours. We cover every London borough and the Home Counties.

Free consultation • Fixed-price contract • No obligation