Repointing and wall ties

buttonmoon

Is this quote fair for the below. It’s a 4 bed semi in South sweat England

Rake out and re-point the complete rear elevation of brickwork as discussed.  Replace x8 damaged bricks. Replace x 4 single cast iron air vents & x2 double cast iron vents with new. Rake out and re-point patches of brickwork on the front & gable elevations asdiscussed (5 square meters of re-pointing in total).  Remove bricks and clear the cavity on the front, gable & rear elevations. Apply brick acid on the rear elevation where mortar is on the brick. Work to be carried out off supplied scaffolding to the rear.  Isolate old fish tail wall ties on the rear elevation and install new. (£705 +VAT includes 25 year guarantee)  Total cost for the above work including scaffolding and wall tiereplacement = £2605 + VAT = £3126Please note that this price includes all labour, materials and waste.

FreeBear

Is the original mortar lime based ?
If so, any cement mortar will stand out like a sore thumb and lead to other problems 20-30 years down the line. The guarantee is likely to be worthless unless backed by an insurance policy..

buttonmoon

The house has black ash mortar (which I understand is not the best)