John Kelly Construction Services

Construction and civil engineering services in the North Wales area.

John Kelly Construction Services is a successful growing business, supplying a wide range of construction and civil engineering services in the North Wales area.

We work for a wide range of clients including home developers, national construction companies, utilities and local authorities.

Based on an extremely high work ethic, John Kelly Construction has built a strong reputation for reliability, quality and professionalism. Continually striving for excellence, we work in partnership with clients to execute projects to exacting standards.

John Kelly Construction Services have recently begun building Timber Frame residential properties as part of the new branch of the company.

Latest Developments

View All Developments

Coming Soon

Maes Berea, Bangor

1 Home Available

Bro Eglwys, Bethel

Sold

Phase 1 Bro Eglwys, Bethel

Sold

Swn y Fraint, Dwyran

About us

Careers

Cronfa JK

Latest Projects

John Kelly Construction Services has worked on a number of civil engineering, building, groundwork and related projects for various clients.

View all projects

Parc y Coleg

Park Aberkinsey, Rhyl Phase 5

Bro Infryn, Glasinfryn

Glyn Farm, Colwyn Bay

Llandygai Park and Share Facility

Llaingoch, Holyhead

Our company is committed to delivering projects proactively, in the most efficient and innovative ways possible, maintaining the highest standards in quality, safety and environmental respects.

Please contact us today to see how we can help you.

Latest News

8th October 2025

John Kelly Construction are delighted to offer work placement opportunities for two of the Academi M-SParc members (Josh & Eliana) to develop their skills for employment.

From M-Sparc: "Our latest Academy members! Josh, Cai, Chisom, Owain and Eliana are employed by ourselves, but placed in industry for 6 months in order to develop their skills, grow their network, and be in a great position to gain employment at the end of the experience. Thanks to the companies making it happen, Eryri Consulting, John Kelly Construction, CELS, and IONA Minerals."
"This project is funded by the UK government through the UK Shared Prosperity Fund."

A photograph showing a John Kelly Construction and John Kelly Homes sponsorship board on the Bangor Cricket Club grounds next to some other sponsorship boards.

A photograph showing a John Kelly Construction and John Kelly Homes sponsorship board on the Bangor Cricket Club grounds.

22nd September 2025

We're sponsoring Bangor Cricket Club! Here's a couple of photos showing our sponsorship board up on the grounds.

6th September 2025

Absolutely delighted that our Site Manager Rhun Williams has been awarded with the NHBC Seal of Excellence and the Wales Small Builder Regional Award at the Wales NHBC Pride in the Job Awards.

These awards demonstrate exceptional leadership and commitment to the development of homes of the highest quality.

Many congratulations to Rhun, and all the JK Team, suppliers and sub-contractors involved on the Bro Eglwys Development.