<p>Whilst undertaking the demolition and installation of the new roof lanterns the following issues arose&nbsp;which were unforeseen&nbsp;from our original quotation, these works were undertaken, please find as follows,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</p><ul><li>On dismantling roof lanterns and exposing the weather up-stands, the existing flashing was beyond repair and was&nbsp;required&nbsp;be replaced on all 5 lanterns&nbsp;</li><li>2 no lanterns at 6.6mtrs &pound;420.00 per lantern&nbsp;</li><li>3no lanterns at 2.2mtrs &pound;300.00 per lantern</li><li>The&nbsp;lantern conversions were carried out involving unforeseen works dismantling brick work exposing unexpected concrete lintels to make good 10&nbsp;no.&nbsp;at &pound;50.00 per concrete lintel&nbsp;</li></ul><p>The total cost for these works are &pound;2,240.00&nbsp;</p>