Cox Format Developments Limited

Cox Format Developments Limited Building Contractors based in Barnet, North London, Hertfordshire.

We can design and build everything from a Loft Conversion/ Extension to a £2.5mill pound house.

Fortis Green, N2. A little landscaping job that a client particularly wanted us to do. It’s looking rather nice.
26/07/2026

Fortis Green, N2. A little landscaping job that a client particularly wanted us to do. It’s looking rather nice.

Do you want a 5 🌟 builder with over 50 years experience? Pick up the phone. It’s not worth taking a chance with what cou...
22/07/2026

Do you want a 5 🌟 builder with over 50 years experience? Pick up the phone. It’s not worth taking a chance with what could be your biggest investment you ever make on your property.

Barnet, EN5. All finished on this little extension. Another happy client.
12/07/2026

Barnet, EN5. All finished on this little extension. Another happy client.

Winchmore Hill, N21. The Crittal style doors are in and the finishing touches completed on this kitchen and utility room...
12/07/2026

Winchmore Hill, N21. The Crittal style doors are in and the finishing touches completed on this kitchen and utility room refurbishment.

This has been a challenging conversion, but when you have got 50 years experience in building Loft Conversions it’s real...
11/07/2026

This has been a challenging conversion, but when you have got 50 years experience in building Loft Conversions it’s really just another job. Solar panels are on the flat roof.

06/07/2026
Potters Road, EN5. This side extension had to be carefully hand dug in sections because of its proximity to next doors e...
14/06/2026

Potters Road, EN5. This side extension had to be carefully hand dug in sections because of its proximity to next doors extension that actually does not have any foundations.

New one starting today. Potters Rd, EN5.
05/06/2026

New one starting today. Potters Rd, EN5.

Woodville Rd, EN5, Barnet. Great progress. And as normal on our jobs. Clean and tidy.
17/05/2026

Woodville Rd, EN5, Barnet. Great progress. And as normal on our jobs. Clean and tidy.

We get asked, why are pocket doors more expensive than a normal door. It’s simple. There is a lot more materials and lab...
16/05/2026

We get asked, why are pocket doors more expensive than a normal door. It’s simple. There is a lot more materials and labour involved.

Address

Unit 3 224a High Street
London
EN55SZ

Opening Hours

Monday 7:30am - 5pm
Tuesday 7:30am - 5pm
Wednesday 7:30am - 5pm
Thursday 7:30am - 5pm
Friday 7:30am - 4pm

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