From first survey to final finish — bespoke homes, extensions and renovations built to a standard that outlasts the trend. Fifteen years of turning plans into places people love to live.
Seven disciplines under one roof, one accountable team, and a single point of contact from the day we survey to the day you move back in.
Joslyn Constructions began with a simple idea: that a build should be handled by people who care about the finish as much as you do. Fifteen years on, that hasn't changed. We take a project from the first survey through planning, design and construction to the final coat — one team, one standard, no handing you off.
Led by Karan, our clients come almost entirely through referral — because the work speaks, and the people who trusted us tell their friends.
A snapshot from Amersham to Kingston — extensions, restorations and bespoke builds. Tap any project to view.






Most builders hand you between trades. We don't. Five stages, one accountable point of contact, start to finish.
We visit, measure and understand exactly what you want to achieve.
Drawings and layouts that make the vision real — and buildable.
We handle permissions and paperwork so you don't have to.
Our own craftsmen deliver, on a schedule you can actually plan around.
Snagged, cleaned and handed back — a space ready to live in.
Every one of these came through a referral. It's the only marketing that's ever mattered to us.