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Renovated staircase with custom wainscoting, newel posts, and refinished hardwood by Harlan Custom Contracting

Chester County · Delaware County · Montgomery County

Home Additions

Master suites, mudrooms, and whole-home expansions that match your home's character. One accountable owner-operated builder from footings to finish.

The hardest part of an addition isn't building new space — it's making the new space feel like it was always there. Rooflines, siding transitions, floor heights, and trim profiles have to match, inside and out.

From a mudroom that ends the backpack pileup to a full master-suite addition, we manage design, permits, structure, and finish as one accountable team — and our whole-home renovation experience means the existing house gets the same care as the new wing.

What We Handle

  • Master and primary suite additions
  • Mudroom and entryway additions
  • Whole-home renovations and expansions
  • Structural changes — removing and adding walls
  • Garage conversions and finishing
  • Seamless exterior matching — siding, roofline, and trim

Additions Questions

How do you make an addition match the existing house?
We obsess over the transitions: matching siding profiles and colors, tying rooflines correctly, aligning floor heights, and carrying interior trim details through. Done right, guests shouldn't be able to tell where the old house ends.
How disruptive is an addition to daily life?
Less than you'd expect for most of the build — the new structure goes up outside the existing envelope, and we schedule the breakthrough work in a tight window. Families routinely live at home through our projects.
Do you handle the zoning and permit side?
Yes. Additions involve zoning setbacks, permit drawings, and multiple inspections, and every township in Chester, Delaware, and Montgomery Counties handles them a little differently. That paperwork is part of what you hire us for.
Can you renovate the existing space at the same time?
Often that's the smart move — flooring, kitchens, and staircases frequently get updated while the addition is underway so the whole house lands in the same place. We've taken homes through full renovations, basement to bedrooms.

Ready to talk about your addition project?

Talk directly with Bruce Harlan about your project — no pressure, no fluff. Satisfaction guaranteed or your money back.

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