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Step 5b: About the Building Specification Plan

Take One
designing the spec sheet
Go to Specification Planning
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Designing the Specification Sheet

  • The Construction Specification Plan defines defines the specifications for your home construction. It will list the size and type of rooms, the general layout of each floor, the plumbing needs throughout the house, flooring requirements for each room, the landscaping layout of the yard, etc.

    It details everything that you would like to see: brand, make, model, color, etc.

    If you require a more detail discussion on the topic, there are a number of Home Construction books on the market.

    First Step: download our Specification Planning Sheet. Use this form — segmented by room, by area — to note your building specifications.

    Second Step: link to the specification planning sheet. It will detail the required specifications for your home construction.

    Third Step: take a completed draft of the Specification Sheet to your architect or planner, who will then customize a house plan or revise an existing plan that meets your specs.
    See house plans.

    Fourth Step: use your Specification Sheet and house plans to bid the construction project to contractors.

    Allow us to help find your pre-screened contractor.

About Building Permits

Plan A: Home Style and Plan

  • Step 1: let's start by defining your home style:

    ·· first, download our construction specification sheet

    use it as you move through this site to address construction specs and ideas
    ·· we begin with the construction specification sheet by noting the type and style of your home:
    — colonial
    — english tudor
    — cape cod, etc.

    link to our home styles for ideas
    ·· your style will define the number of floors:
    — one-story
    — two-story, etc.
    ·· will there be a basement?
    ·· what are the ceiling heights on each floor?

    what type of closets for the bedrooms and other:
    — walk-in
    — standard
    — other

  • Step 2: identify your rooms

    ·· depending on the number of floors, your next task is to identify the rooms that will make-up each floor

    you will have a kitchen, dining room, master bedroom, master bathroom, laundry room, etc.

    perhaps your would like to add a breakfast nook, sun room, rec room, etc.

    view some house plans for ideas:

    or quickly link to our Home Improvement Center for a view of a floor layout


    use the construction specification sheet (page 3) to list your rooms by floor

    note any finished our unfinished room additions for the attic and basement areas

  • Step 3: arrange your rooms


    how would your like to arrange your rooms?

    the construction specification sheet (page 4) has a worksheet to complete this exercise


    the idea is identify your primary adjacencies — rooms that must be adjacent:

    • master bedroom and master bathroom
    • kitchen and dining room
    • mud room and garage or outside entry
    • etc.

    identify those rooms that should not be adjacent:

    • master bedroom and child's room
    • kitchen and den / library
    • bathroom and foyer

    that leads to secondary adjacencies that basically connect the whole floor:

    • living room and dining room
    • master bathroom and laundry room
    • kitchen and sun room


    link to our Home Building Step 2 for a discussion of room adjacencies

    also view House Plans for ideas

  • Step 4: size your rooms:


    what is the size dimension for each room?

    the construction specification sheet lists sample sizes for possible rooms

    Size A     Size B    Size C

    select the size desired (or specify your custom dimension) and enter the calculated square footage for each room (width times length)

    use our online footage calculator to calculate


    note that you will calculate dimensions for the interior finished area, other finished our unfinished areas, and exterior home area

    these size dimensions allow the architect to customize or find a house plan that meets your dimension specifications


    total your calculated square footage for each area

    note that for the interior finished area, you will need to add 20% to your subtotal for circulation secondary areas (for wiring, plumbing, venting, etc.)

    *your square footage can vary depending on your overall layout


    your total square footage will give you an estimated size requirement for your house

    you can then use these dimensions to:

    — search house plans: see plans
    — estimate your construction costs: view tools

Design Specifications

links to the spec sheet

· Plan A: Home Style and Plan
· Plan B: Lot Excavation
· Plan C: Foundation
· Plan D: Framing
· Plan E: Roofing
· Plan F: Doors and Windows
· Plan G: Plumbing
· Plan H: Electrical Wiring
· Plan I: HVAC
· Plan J: Insulation
· Plan K: Exterior
· Plan L: Walls, Ceiling, Trim
· Plan M: Kitchen and Bath
· Plan N: Cleaning Closet
· Plan O: Flooring
· Plan P: Lighting
· Plan Q: Other Amenities
· Plan R: Garage / Pathways
· Plan S: Landscaping
· Plan T: Interior Design

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