SJ Developments logo Telephone and email icons loft Newly installed balustrades and railing wall mounted tv and en suite bathroom A loft bedroom conversion

• Free quote and consultation

• Design

• Planning permissions and applications

• All building trades

• Joinery and carpentry

• Insulation

• Windows

• Roofs

• Skirting and fittings


A non-refundable deposit of £1,000 is required to confirm an approximate start date and initiate the design/drawing stage.

Loft conversion specialists in Exeter for a wide range of home improvements - call

01392 431 197

We take our craft so seriously, offering you a friendly, personal and above all, professional service.


What's more, you pay one very reasonable price, which includes every aspect of the project, from the design and build to plumbing and plastering.

Our building services include:

Personal service

Choose a team you can count on and get the result you want - on time and on budget. Call SJ Developments today or take a look at our work. We'll add style and value to your home, and create the dream property you've always wanted.

Over 20 years of construction experience

S.J. Development is made up of family members and trusted, expert trades people. We are dedicated to building loft conversions and home extensions to our own exacting standards. When you invest in your home by choosing to extend, you want to be sure that you will be increasing, rather than undermining, the value.

We are Exeter's loft conversion specialists, from inception to completion. We support our high quality work with competitive prices, and with a 5 year guarantee.