Led by more than 40 years of getting it right
Maksmith Ltd is a construction company working across south London, Surrey and Sussex. What sets the work apart is not a slogan — it is more than 40 years of construction leadership behind every decision on site.
The company
Maksmith Construction specialises in loft conversions, extensions and residential renovations. We are deliberately narrow: one team, one area of work, on houses in south London and the South East that we can get to and look after properly.
The business is led by more than 40 years of construction leadership experience — enough time to have seen which details fail, which shortcuts cost more later, and how much of a project’s success is decided before anyone lifts a tool.
How we work
Every project starts the same way: understand the property, check the drawings, measure the head height, and confirm the planning position. Only then does a price mean anything.
From there we set a programme, agree what is included, and keep you informed weekly. When something changes — and on a building project something usually does — you hear it from us before it becomes a problem.

Four things we do not compromise on.
Structure before finish
Anybody can make a room look good for a photograph. We start with the steel, the roof and the drainage, because that is what you live with in ten years.
One point of contact
You deal with the person accountable for the build, not a rota of site staff. Problems get solved by whoever can actually solve them.
Priced from drawings
We quote from your plans and a survey, not from a square-metre guess. What is included is written down.
Honest about timing
If a programme is not realistic, we say so before you sign. A date that slips costs you more than a date that was never promised.
Read before you appoint anyone
Our planning guides cover the questions that decide whether a loft or extension is viable — written in the same plain English we use on site.
Maksmith Ltd · Company number 15605039Talk to us before you commit.
Send your drawings or describe the property. We will tell you what is realistic — including when the answer is “not yet”.
