London Colney · St Albans · Family-run since day one
Built right,first time.JCL Renovations.
Full house renovations, extensions, loft conversions, kitchens and garden rooms from a local team homeowners trust. Rated 5.0 out of 5 on Google — free, no-obligation quotes.
What we do
Services & Guide Prices
Every project starts with a free, no-obligation survey. Prices below are a rough guide — your quote is based on the actual job.
Full House Renovations
Complete strip-outs, rewiring, replastering and finishing, managed by one team from start to finish.
Free survey & quoteKitchen Design & Installation
Bespoke kitchens fitted to a high standard, from shaker cabinetry to stone and timber worktops.
from £8,000*Extensions & Loft Conversions
Rear extensions, side returns and dormer lofts that add real space and real value.
from £45,000*Garden Rooms & Log Cabins
Insulated garden studios and summer houses, fully wired and finished, ready to use year-round.
from £16,000*Decking & Landscaping
Pressure-treated timber decking, steps and garden groundworks, built to last.
from £2,800*Flooring Installation
Herringbone, engineered and laminate flooring supplied and fitted throughout your home.
from £45/m²**Guide prices only, based on typical projects — not confirmed with the client. Every job is quoted individually after a free site visit.
About the company
JCL Renovations — building trust, one project at a time
JCL Renovations Ltd is a family-run construction company based in London Colney, working across St Albans and the wider Hertfordshire area. From full house renovations and loft conversions to kitchens, extensions and garden rooms, Josh and the team handle every stage of the build in-house, so there's one point of contact from the first survey to the final coat of paint. Projects finish on schedule and on budget — and it shows in the reviews, with several clients going on to recommend JCL to their neighbours.
- 5.0★ rating across every Google review
- Full project management — one team, start to finish
- Considerate, tidy work on live residential sites
- Free surveys and no-obligation quotes
Recent projects
See Our Recent Work
Straight from Google
5-Star Rated by Local Homeowners
★★★★★Kind, polite and efficient — a genuinely responsive team of energetic young tradespeople who delivered our whole-house renovation with a double dormer loft conversion.
— Gigi Chan, Google review
★★★★★Josh and his team quickly agreed sensible boundary changes with our neighbour and got on with our extension without any fuss — professional from start to finish.
— Olie Green, Google review
★★★★★JCL completed our full house renovation and front extension with lots of practical input on the construction details — and the neighbours noticed too. Highly recommend.
— Him Wong, Google review
Get in touch
Get a Free, No-Obligation Quote
Call, message or send us your project details below — we'll get back to you quickly with next steps.
- Address 23 High St, London Colney, St Albans AL2 1RE
- Phone 07950 244198
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Hours
Mon–Fri: 7:00am – 6:00pm
Sat & Sun: By appointment