Residential or Commercial

Whatever your project we've got all your needs covered. From residential refurbishments and extensions though to insurance reinstatements and everything in between.

All of our staff are friendly and knowledgeable because we know what it's like to be in your shoes. We want you to know just how special you and your project are to us, so we do our very best to ensure that you and your needs always come first.

Our Promise

Our Services

All of our workmanship is to the highest standards and we use only good quality local materials and tradesmen.

Our stoves are installed only by HETAS approved operatives to give a fully guaranteed installation.

Customer satisfaction is our aim and we won't stop working until you like what we've done. 

From conception to installation SEP Construction are here to advise and help design your perfect fireplace tailored to your specific requirements. All of the builders work are carried out by our in-house team with all materials sourced locally with quality being our main priority.

Getting your new stove installed by professionals ensures that everything is safe, no problems with heat damage to the area surrounding the stove or potential problems with the flue. All our installations are carried out by our professional stove fitters.

All of our fitters are local to Cumbria, friendly, and HETAS qualified with our work fully guaranteed.


​Two storey extension, Carlisle


​  New build projects

  Refurbishment & conversions

  Stove installations

installation of multi fuel stoves

Single Storey Extension

Tel : 01228 592807
Mob: 07769156160




Full refurbishment of farm house.

Internal works included the removal and replacements of wall and ceiling finishes, new concrete floor to the kitchen, full electrical rewire and central heating installation. Replacement of PVC windows and doors, insulation upgrade throughout the property and formation of open plan kitchen dining room.

External works included upgraded and replacement of all drains with repairs to septic tank, stonework walls repaired, re-pointed and painted.