Home Improvement Planning & Contingency Estimator

Architectural scope ledger, surprise cost buffer, and regional spatial validation

Project Scope & Specifications

Active Spec

Project Name / Location Residential or historic remodel

Base Remodel Construction Subtotal ($) Excluding surprise reserves

$45,000

Unforeseen Contingency Buffer (%) Standard recommended buffer: 20%

20%

Target Functional Spaces Multi-room scope alignment

Kitchen Bathroom Garage Expansion Basement Finish Exterior Porch

Garage Spatial Clearances (Feet) Check vehicle, mower, and storage fit

Width (ft)

Depth (ft)

Warning: 19 ft garage width is tight for two vehicles plus storage (recommended 20+ ft).

Sustainable Materials & Architectural Finishes Specify certified circular materials

Richlight Homasote Sound Control FSC Reclaimed Oak Low-VOC Paint

Universal Accessibility & ADA Elements Long-term mobility proofing

Step-free entry Wider doorways Lever handles Curbless shower

Estimated Timeline: 4 Months Planning through contractor closeout

M1: Schematic & Permits

M2: Demolition & Rough-in

M3: Finishes & Surfaces

M4: Inspection & Punch

Ready for contractor review

Remodeling Base Subtotal: $45,000

Surprise Buffer (20%): $9,000

Total Estimated Budget: $54,000

Sustainable Materials Specification Richlight, Homasote Sound Control selected

Accessibility Accommodations 3 Accessibility requirements included

Target Municipal Permits Building, Electrical & Plumbing Review (Lancaster PA)

Selected Spaces Defined Kitchen, Bathroom, Garage Expansion

Complete homeowner ledger ready for export

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