Wall Repair Costs

Prices for Repairing Walls, Chimney Walls and Chimney Pots

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This section deals with the cost of minor repair work to external brick walls and the replacement of chimney pots. Most repair work to brickwork involves the raking out and re-pointing of the mortar joints. In older buildings, the mortar sometimes decays and this is usually caused by driving rain or the penetration of water from a leaking gutter that has not been repaired.

Wall Repair
Chimney Pots
Damp Walls

Re-pointing decaying mortar is essential to maintain the integrity of a building and it can also enhance the appearance. The figures quoted are based upon the work being carried out at ground level and 20% should be added for the cost of working off platforms and ladders.

Wall and Chimney Repair Costs

Quantity   ? Time
(hrs:mins)   ?
Material Cost
(£)   ?
Skill Level
(1-10)    ?
Builders
Charges (£)   ?
Rake out joints of brick walls and point up in mortar 1 m2 0:50 0.75 5 16.00
Rake out joints of chimney stacks and point up in mortar 1 m2 1:00 0.75 5 18.00
Cut out single brick from external wall and replace with new brick bedded in cement mortar 1 no 0:40 0.50 5 12.00
Cut out air brick from external wall and replace with new brick bedded in cement mortar, sizes below:  
215 x 65mm wall area 1 no 0:50 3.00 5 14.00
215 x 140mm wall area 1 no 1:00 4.00 5 16.00
215 x 215mm wall area 1 no 1:10 8.00 5 18.00


Cost of Replacing a Chimney Pot

Sometimes in building improvement work the cost of carrying out the work bears little relation to value of the job itself. Replacing chimney pots is a case in point. The largest element of cost in this type of work is gaining access to the chimney stack.

Access can be gained by scaffolding, ladders or special platforms, each carrying its own cost. Because of this variation, the figures below apply to the time and cost of replacing the pots only, not the cost of gaining access.

Chimney Pot Replacemen

Quantity   ? Time
(hrs:mins)   ?
Material Cost
(£)   ?
Skill Level
(1-10)    ?
Builders
Charges (£)   ?
Remove existing chimney pot, hack away flaunching and set new terra cotta pot in cement mortar. Sizes below:  
185mm diameter 3chimney pot 300mm high 1 no 1:30 30.00 5 60.00
185mm diameter chimney pot 600mm high    1 no 1:50 35.00 5 65.00
250mm diameter chimney pot 450mm high    1 no 2:00 40.00 5 75.00
250mm diameter chimney pot 600mm high    1 no 2:50 80.00 5 110.00


Cost of Repairing Damp External Walls

Dampness in external walls is often caused by existing flashings becoming detached from the brickwork. The mortar then becomes degraded and the flashing falls away from the face of the wall. Rainwater then enters behind the flashing and causes unsightly staining to the internal walls and this can lead to more serious problems.

Repairing Damp Wall

Quantity   ? Time
(hrs:mins)   ?
Material Cost
(£)   ?
Skill Level
(1-10)    ?
Builders
Charges (£)   ?

Rake out joint in brick wall, refix flashing and point up in mortar

1m 0:45 1.00 5 20.00

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