Click on the tabs below to view Existing Properties Example

  • Notes…
  • Confidentiality is paramount to DEL. We have not included any reference to individuals or Clients.
  • Douglas Estimating Ltd project list is exhaustive so only examples have been used.

Private House Purchaser Example…
Recently DEL had carried out a Cost Plan for alterations and renovations to a Clients existing property. Subsequently the Clients had viewed another period property that they were considering purchasing. DEL carried out a quite simple exercise by using the selling agent link to view the current photos of the building online. Upon our desktop / high level evaluation, we issued a report containing the following:

Existing Property possible cost issues with the existing…

  • Walls
  • Chimneys
  • Roof
  • Floors
  • Windows and Doors
  • Plumbing
  • Electrics
  • Internal and External Finishes

New Extension possible cost issues with the existing…

  • Outbuildings
  • Drainage
  • New Finishes and Fitouts

External Works possible cost issues with the existing…

  • Site Entrance
  • Side Entrance for Site Egress
  • Overhead Powerlines
  • Driveways and Footpaths
  • Land gradients
  • Underground surveys and upgrading drainage work


  • Possible cost alternatives with demolishing existing and replacing with new
  • Possible cost alternatives to convert the existing roof space into additional living areas

Cost Options

  • Order of Magnitude Cost 1 – high level estimate rate based on m2 rates
  • Order of Magnitude Cost 2 – Budgets set aside on each proposed element of works
  • Order of Magnitude Cost 3 – Detailed Cost Plan, investigating and breaking down all scope of work items and issuing a fully detailed report