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Houseplans Custom Plan Modification Guide

The easy and affordable way to design your custom home

First, find a plan that is
almost perfect

Fill out this form & we will contact you with a quote in 2 business days

Work with our designers to finalize your custom plan

Redlining - fastest & easiest!

Very minor changes requiring only notes/drawings added to plan, great for communicating design intent with your builder, accepted by most building depts.

Examples:

  • Changing exterior materials
  • Adding/Removing windows or doors
  • Moving interior non-bearing walls

Cost: $100 - $200 + cost of plan

Includes a phone consultation with a designer

Small Changes

Minor changes affecting components but not footprint or house size.

Examples:

  • Flipping two rooms around keeping existing dimensions
  • Changing garage to side entry
  • Changing exterior walls from 2x4 to 2x6

Cost: $500 - $1000 + cost of plan

Includes a phone consultation with a designer

Medium-sized Changes

Changes affecting rooms and layouts but not footprint or actual house size.

Examples:

  • Small garage expansion
  • Enlarging/shrinking existing rooms
  • Changing roof pitch

Cost: $1100 - $1900 + cost of plan

Includes a phone consultation with a designer

Major Changes

Significant plan changes affecting more than 350 square feet and/or house footprint.

Examples:

  • Changing house footprint
  • Adding new rooms
  • Reconfiguring room locations

Cost: $2000 and up + cost of plan

Includes a phone consultation with a designer

Frequently Asked Questions:

What is a modification?
How much do modifications cost for your house plans?
Why do modifications cost more than the original plan?
How long do modifications take?
Can I make minor changes to the design and not have to change the house plan drawings?
If my local building codes require some major structural changes, will a stock plan still cost less than an original customized house plan?
If I buy a set of plans from Houseplans, can I have them modified?
If I've already purchased my plan and then find out I have to modify it, can I avoid buying a new set of plans?
What if the foundation option I'm looking for is not available with the house plan I want to buy?
Do you offer custom designed house plans?
Do you offer Additional Services?
If a Material List is not available, can you create one?
Questions? Questions?

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