Home Additions in Tewksbury by The5thwall

Residential · Tewksbury, NJ

Home Additions in Tewksbury

Licensed NJ contractor serving Tewksbury and Hunterdon County. Father-and-son team. No subcontracted labor.

4.9

Average customer rating

Across all projects in Mercer County and surrounding areas.

NJ

Licensed & insured

NJ HIC registered — fully bonded, $2M general liability.

5+

Years serving Central NJ

Including Tewksbury and Hunterdon County.

Overview

Home Additions in Tewksbury — for homeowners in Hunterdon County, built by a team that lives here.

Tewksbury Township is one of Hunterdon County's most rural and affluent communities, encompassing the villages of Oldwick, Mountainville, and Pottersville in the scenic Tewksbury Trail region. The township features large-lot zoning, preserved farmland, horse properties, and custom homes on acreage that ranges from three to fifty-plus acres. The charming village of Oldwick — with its general store, landmark church, and cluster of estate homes — defines the township's character.

Tewksbury projects are typically high-end and detail-intensive: kitchen renovations with custom everything, master suite additions that complement farmhouse aesthetics, barn and outbuilding conversions, and outdoor living spaces designed for rural luxury. The township's well-and-septic systems on every property add engineering considerations to any project involving plumbing. Homeowners here expect premium materials and unhurried craftsmanship.

Scope of work

Every additions project covers the full scope — start to finish.

One contractor pulls every trade under one roof — design, demolition, rough-in, finish, cleanup. You deal with the owners. No coordinating subs, no finger-pointing, no surprise line items.

Included

  • Room addition planning, framing, and finish work
  • Garage additions and garage conversions
  • Sunroom and four-season room construction
  • Foundation, footings, structural framing, and roof tie-ins
  • Siding, window, door, insulation, HVAC, electrical, and finish coordination
  • NJ permit applications, inspections, and code-compliant construction

Investment

What a additions project costs.

Three investment tiers, based on scope and finish level. Every estimate is custom — these are the ranges most clients land within.

Essential

Quality craftsmanship for everyday upgrades

$15K - $40K

What's included

  • Single-room renovations
  • Standard material selections
  • Licensed & insured crew
  • Project management included
  • 1-year workmanship warranty
  • Permit handling
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Premium

Elevated finishes for the modern home

$40K - $100K

What's included

  • Multi-room renovations
  • Premium material selections
  • 3D design visualization
  • Dedicated project manager
  • 2-year workmanship warranty
  • Permit handling
  • Weekly progress updates
  • Flexible payment schedule
Get a Free Estimate

Elite

Full-scale transformations without compromise

$100K+

What's included

  • Whole-home renovations
  • Designer-grade materials
  • Full architectural planning
  • Senior project manager
  • 5-year workmanship warranty
  • Permit handling
  • Daily progress updates
  • Priority scheduling
  • Post-project walkthrough
Schedule a Consultation

The process

Five steps, start to handover.

01

Consultation

A site visit, measurements, and an honest conversation about scope. No pressure, no obligation.

02

Design & estimate

We return with a detailed plan, material selections, and an itemized estimate. You see exactly what the project is — and exactly what it costs.

03

Contract & permits

One contract, line-itemed. We pull every permit required by NJ code. Your project starts with compliance handled.

04

Build

Our crew works on site, one point of contact throughout. Daily cleanup, weekly progress reports, no crew rotation.

05

Handover

A walkthrough of every detail together. Nothing closes until you're satisfied. Workmanship warranty begins the day you sign off.

Next step

Begin your additions consultation in Tewksbury.

We're based in Lawrence — minutes from Tewksbury. Site visits typically scheduled within a week.

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