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Glenmona House, Cushendun

Cushendun, Co. Antrim, NI
This historic building, set within the conservation area of Cushendun, is a detached, 2 storey residential property, built from solid brick and stone walls, with a pitched roof. A survey by Stronghold Preservation found that the external walls were affected by penetrating damp. There was also evidence of cracks and damp around windows. It was discovered that the damp around the windows was being caused by the failure of the window lintels; which was causing cracks in the walls around windows, allowing damp to penetrate. Rather than replacing the window lintels, Stronghold Preservation decided that a lintel reinforcement system would be less intrusive in this historic building, and more economic.


  • Damp, wet rot, cracking lintels. Electro osmosis damp proof course installed, wet rot removed, and lintel reinforcement and repairs carried out, Co. Antrim, Northern Ireland 
  • The interior of the building was in poor condition; suffering from penetrating damp, wet rot and cracking masonry at window heads/ lintels: Cushendun, Co. Antrim, Northern Ireland 
  • The interior of the building was in poor condition; suffering from damp, wet rot and cracking masonry at window heads/ lintels: Cushendun, Co. Antrim, NI 
  • The internal plaster was all stripped off, any timbers affected with wet rot removed, at Cushendun, Co. Antrim, Northern Ireland 
  • The building was opened up, and it was revealed that there was no existing lintel; the window head being made up of soldier bricks, at Cushendun, Co. Antrim, NI 
  • Damp, wet rot, cracking lintels. Electro osmosis damp proof course installed, wet rot removed, and lintel reinforcement and repairs carried out, Co. Antrim, Northern Ireland 
  • The interior of the building was in poor condition; suffering from penetrating damp, wet rot and cracking masonry at window heads/ lintels: Cushendun, Co. Antrim, Northern Ireland 
  • The interior of the building was in poor condition; suffering from damp, wet rot and cracking masonry at window heads/ lintels: Cushendun, Co. Antrim, NI 
  • The internal plaster was all stripped off, any timbers affected with wet rot removed, at Cushendun, Co. Antrim, Northern Ireland 
  • The building was opened up, and it was revealed that there was no existing lintel; the window head being made up of soldier bricks, at Cushendun, Co. Antrim, NI 

Further Information


Lintel Replacement
 It was found that the lintels above the windows had failed, causing cracks, and allowing damp to penetrate. Stronghold Preservation installed a double stainless steel helical stitching bar above each window, and filled with grout, essentially installing new stainless steel lintels above the existing lintels. The finishes were then made good. This method prevented the necessity for removal and replacement of the existing failing lintels.

Glenmona House, in Cushendun, was built c 1923 in the neo-georgian style. It is a listed building, set within National Trust owned lands.