Serra and Speller offer a flat rate scheme for all reactive callout works. These rates are inclusive of first hour visit to site, parking, mileage and congestion charge so there are no hidden charges.

020 8390 7373

Our standard office hours are 8am – 5pm. The landline listed below will divert to an out of hours engineer for any calls outside this time-frame.


All of our estimates are conducted free of charge, once the site visit is completed the estimate will be submitted same day. Our free estimates allow us to be competitive for larger projects where we can offer reduced rates.

All prices exclude VAT which will be charged at the prevailing rate.

General works
Flat rate charge of £70 + vat per hour
Specialist Rate
Flat rate charge of £80 + vat per hour
Specialist Works
Plumbers Electrical works Gas Safety Checks
(including 3 appliances)
Flat rate charge £75 + vat
Carpenters Gas / Boiler works Drainage works
£120 + vat
Locksmith Roofing CCTV drainage surveys
Price available on request
dependent on size of survey
General Works