3.1.1 Email. Required to issue the result emails to the Calculator User.

3.1.2 Name. This is the name that the intended recipient would prefer to be known by on a day-to-day basis.

3.1.3 Title. This is the title required for formal correspondence.

3.1.4 First Name. This is the first name required for formal correspondence.

3.1.5 Last Name. This is the last name required for all correspondence.

3.1.6 Phone. The number on which the Calculator User would prefer to be called. Please note that DesignXY will only make contact by phone, if that has been specifically requested (see 3.5.4).

3.2.1 Site Location. This is the location of the site, not the address for correspondence to be issued. This is used if additional site specific analysis is required, so please be accurate.

3.2.2 Region. Selecting the region activates a modifier within the Calculator, as it is programmed to allow for regional fluctuations in costs.

3.2.3 Budget Cost (£). By entering the budget cost, the Calculator can [a] make a comparative analysis of the stated and calculated budget, and [b] use either figure as the basis for generating Architectural Fees (see 3.6.1).

3.2.4 Construction Start Date. The Calculator uses this date to determine whether it will be possible to start before or by your preferred date.

3.2.5 Party Wall. If the proposals are to take place on a boundary, immediately adjacent to a neighbouring property, within 3m or 6m of a neighbouring property, then the project may necessitate that a Party Wall Notice is issued to the persons concerned. See What is The Party Wall Act? for further details.

3.2.6 Build Type. Select from Extension, New Build or Refurbishment. This doesn’t directly impact the cost estimates, but it provides further information if the project is discussed.

3.2.7 Build Method. Selecting from Contractor Build or Self Build will modify the cost estimate. It’s assumed that the Self Build option will cost less overall, however that’s not always the case.

3.2.8 Specification. This option will vary the overall cost estimate. Selecting from Basic, Standard or High will vary the calculations by the percentages indicated in Section 5.

3.3.1 [R] Attic (m2). The refurbished floor area within the existing attic space.

3.3.2 [R] Upper Floors (m2). The refurbished floor area within upper floor level/s.

3.3.3 [R] Ground Floor (m2). The refurbished floor area at the existing ground floor level.

3.3.4 [R] Basement (m2). The refurbished floor area at the existing basement level.

3.3.5 [R] External (m2). The external works to areas that require surface finish changes only.

3.3.6 [N] Attic (m2). The new build floor area creating new attic space.

3.3.7 [N] Upper Floors (m2). The new build floor area above ground level.

3.3.8 [N] Ground Floor (m2). The new build floor area at the proposed ground floor level.

3.3.9 [N] Basement (m2). The new build floor area at the proposed basement level.

3.3.10 [N] External (m2). The external works to areas that require more extensive construction, not limited to surface finishes.

3.3.11 Demolitions (m2). Include measured areas not included elsewhere in the above.

3.4.1 Bathroom. The number of bathrooms involved in the project will increase the overall Fit-out Costs. The budget per bathroom is as stated in Section 5; this is modified by the Specification selection.

3.4.2 Bedroom. The number of bedrooms to be created in the project does not directly contribute to any costs generated, but it records the requirement for discussion.

3.4.3 Cloakroom / WC. The number of WCs involved in the project will increase the overall Fit-out Costs. The budget per WC is as stated in Section 5; this is modified by the Specification selection.

3.4.4 Conservatory. Adding a conservatory to the project will increase the overall Fit-out Costs. The budget per conservatory is as stated in Section 5; this is modified by the Specification selection. It is sometimes advisable to add a conservatory to the project to make allowance for a room that will be extensively glazed, even if it isn’t recognised as a conservatory.

3.4.5 Dining Room. Adding a dining room in the project does not directly contribute to any costs generated, but it records the requirement for discussion.

3.4.6 Kitchen. Adding kitchen/s to the project will increase the overall Fit-out Costs. The budget per kitchen is as stated in Section 5; this is modified by the Specification selection.

3.4.7 Living Room. Adding a living room in the project does not directly contribute to any costs generated, but it records the requirement for discussion.

3.4.8 Utility Room. Adding a utility room to the project will increase the overall Fit-out Costs. The budget per utility room is as stated in Section 5; this is modified by the Specification selection.

3.4.9 Other. Adding to this category does not directly contribute to any costs generated, but it records the requirement for discussion. This may be used to denote a study or home gym, etc.

3.5.1 Engineer. If any changes are to be made to the structure of the building, surrounding areas, or a new building is to be formed, a structural engineer will be needed. Selecting ‘yes’ makes an allowance for these third party costs.

3.5.2 Planning App. If the project requires an application for planning approval, select ‘yes’ to include the Local Authority fees within the cost estimate.

3.5.3 Building Regs. If the project requires a submission for Building Regulations approval, select ‘yes’ to include an allowance for associated fees within the cost estimate.

3.5.4 Follow Up. Please indicate your preference for DesignXY making further contact with you. We will not make contact unless you specifically request that we do so.

3.5.5 Referral. Please indicate how you heard about DesignXY Ltd. If it’s not by one of the methods included, please let us know in the Additional Notes section.

3.6.1 Architectural Fees. This category determines whether the Calculator User will receive a second email, including indicative Architectural Fees. It also controls whether the fees are based on [a] the stated budget (as 3.2.3) or [b] the calculated budget.

3.6.2 Additional Notes. This is a text box for the Calculator User to leave any notes regarding the options / variations that have been included in the overall calculation, or notes that you would like DesignXY to have access to, prior to a meeting.