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Engineering  ·  Planning  ·  Design  ·  Build

One Team for Planning, Design, Engineering and Building in Eastern Ontario

Land-use planners, building designers, licensed engineers and a licensed home builder working together. Bring us a property, an idea or a set of drawings and we take it through approvals, design, sealed engineering and construction.

Start a Project  Call 613-498-3508

★ 4.6 from 53 Google reviews  ·  See our work ↓

Pictured: P&G Pavilion at Rotary Park, Brockville

675+

Projects completed

4.6 ★

53 Google reviews

Licensed Professional Engineers

Ontario, Nova Scotia, British Columbia, Nunavut and the Northwest Territories

ACEC · IWSCC Members

HCRA / Tarion Licensed Builder

Part 8 BCIN septic system design and installation

Four Disciplines, One Team

Start with one service or bring us the whole project. Every team works from the same drawings.

Planning

Severances, minor variances, zoning amendments, site plan approval and rural and waterfront development.

Explore severances and land-use planning →

Engineering

Structural timber framing and mass timber first, plus civil and site engineering and building code compliance, across Ontario and beyond.

Explore structural and mass timber engineering →

Design

Custom homes, timber-framed home design, commercial and agricultural buildings, and permit-ready drawings.

Explore residential design and permit drawings →

Build

HCRA/Tarion licensed home building, design-build, additions, farm and commercial buildings, and Part 8 septic systems designed and installed.

Explore new construction and design-build →

Not sure which team you need? Tell us about your project and we will route it.

Major Projects Across Eastern Ontario

Municipal, federal, community and heritage work from our planning, design and engineering teams.

P&G Pavilion at Rotary Park in Brockville at dusk with its lit timber frame

Engineering · Brockville

P&G Pavilion at Rotary Park

Timber-frame community pavilion with change rooms and a rink-side covered area. Civil, architectural and structural engineering, donated to the community.

Read the project →
Design model of the Five Mile Light replica lighthouse on Cole Shoal

Engineering · St. Lawrence River

Five Mile Light Reconstruction

Rebuilt the last of the 1856 St. Lawrence lighthouses near Brockville on an in-water foundation designed for ice loads. Completed 2020.

Read the project →
Render of the Reynolds Park Pavilion on the Brockville waterfront

Engineering · City of Brockville

Reynolds Park Pavilion

Waterfront pavilion in a regulated floodplain, on driven steel piles designed for flood, wave and ice forces. Under construction in 2026.

Engineering in Brockville →
United Counties of Leeds and Grenville office at 25 Central Avenue, Brockville

Design + Engineering · Leeds and Grenville

25 Central Avenue Renovation

Prime consultant for fire and life safety, security, acoustic and architectural upgrades to the County's occupied administration building.

Commercial and municipal design →
Render of the renovated Council Chambers in the Spencerville municipal office

Design + Engineering · Edwardsburgh/Cardinal

Spencerville Municipal Office

Historic masonry building adapted for municipal use, with Council Chambers moved upstairs and lift access added. Completed 2023.

Commercial and municipal design →
Limestone caretaker's residence behind the Old Post Office in Kingston

Engineering · Kingston · Federal

Old Post Office Caretaker's Residence

Heritage assessment and adaptive-reuse study of an 1868 stone building within a federally classified heritage complex. Completed 2020.

Masonry and heritage engineering →
Floodproofing elevation detail showing finished floor above the 100-year floodplain

Engineering · Rideau Valley

RVCA Floodproofing Policy Review

Peer review of floodproofing policies and a guideline framework for Rideau Valley Conservation Authority, 2025 to 2026.

Civil and structural engineering →
Historic stone silo at the Queen's University Biological Station

Engineering · Queen's University

Biological Station Stone Silo

Heritage masonry assessment and adaptive-reuse prefeasibility study for a circa-1910 stone silo at the Opinicon campus.

Masonry and heritage engineering →
Render of the new Maynard Recreation Hall with a covered patio

Design · Township of Augusta

Maynard Recreation Hall

Concept design and Class 5 cost estimate delivered in time for the Township's grant application, 2024.

Commercial and community design →
Render of the new boardroom in the Augusta Township office

Design + Engineering · Township of Augusta

Augusta Township Office Renovation

Prime consultant on the occupied municipal office: new boardroom, accessibility, security and layout upgrades. Completed 2024.

Commercial and municipal design →

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Homes We Have Designed and Engineered

Custom homes, timber frames, additions and cottages, from first sketch to permit-ready drawings.

1.5-storey custom home in Greater Madawaska
1.5-Storey Custom HomeGreater Madawaska · design and engineering
1.5-storey timber frame home
1.5-Storey Timber Frame HomeTimber frame design and engineering
Glass house custom home in Elora
Glass HouseElora · permit drawings
Modern custom home render
Modern Custom HomeCustom home design
Timber cabin addition
Timber Cabin AdditionAddition design and engineering
Island boathouse at dusk
Island BoathouseSmith Island · waterfront design
A-frame cottage render
A-Frame CottageCottage design
Two-storey Dutch saltbox home render
Two-Storey Dutch SaltboxCustom home design

Design Your Home  Browse Online Plans

Structural Timber Framing, Engineered and Built

Timber is where our disciplines meet. We engineer glulam and post-and-beam structures, design homes around exposed timber, and build them with the detail they deserve.

Timber frame pavilion with king-post trusses

Timber Frame Pavilion

Timber frame carport and garage

Timber Frame Carport

30 by 50 timber frame house 3D model by INEAS

30x50 Timber Frame House Plan

40 by 44 timber frame cottage 3D model by INEAS

40x44 Timber Frame Cottage Plan

Browse Timber Frame Plans  Talk to a Timber Engineer

Plan, Design, Engineer, Build: One Coordinated Process

1. Plan

Zoning, approvals and site constraints worked out first, so the design starts on solid ground.

2. Design

Drawings shaped around how you will live and work in the space.

3. Engineer

Sealed structural and civil drawings, coordinated with the design from day one.

4. Build

Construction by a licensed home builder, managed by the team that drew it.

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Where We Work

Planning, Design and Building in Eastern Ontario

Brockville · Kingston · Ottawa · Cornwall · Smiths Falls · Carleton Place · Gananoque · Kemptville and North Grenville · Prescott · Perth · Prince Edward County

Permit drawings by town: Brockville · Kingston · Ottawa · Cornwall

Engineering Across Ontario and Canada

Our professional engineers are licensed across all of Ontario, including the Greater Toronto Area, North York and Hamilton, and in Nova Scotia, British Columbia, Nunavut and the Northwest Territories.

Talk to an engineer about your project →

What Our Clients Say

4.6 ★★★★★

Rated 4.6 from 53 Google reviews

Five-star Google review: IN Engineering is my go-to for renovation drawings
Five-star Google review praising a structural barn analysis
Five-star Google review for a structural assessment of a century home
Five-star Google review for a foundation inspection
Five-star Google review for civil and structural engineering on a development
Five-star Google review from a timber frame company

Common Questions

Which INEAS Company Do I Contact?

Start here. Tell us about your project and we route it to planning, engineering, design or construction, or to all four.

Do I Have to Use You for Every Stage?

No. Many clients start with one service, such as permit drawings or a severance, and add others as the project grows.

Where Are Your Engineers Licensed?

Our professional engineers are licensed in Ontario, Nova Scotia, British Columbia, Nunavut and the Northwest Territories. In Ontario we take engineering work province-wide, including the GTA, North York and Hamilton.

Can You Build the Home Too?

Yes. IN Design + Construction is an HCRA/Tarion licensed home builder and a Part 8 BCIN certified septic system designer and installer.

Do You Work on Timber Frame Homes?

Yes. IN Engineering engineers timber frame and mass timber structures, and IN Design designs homes with timber-framed elements.

Read more on the INEAS blog →

Ready to Start Your Project?

Tell us what you are planning and where. We will tell you which team you need and what comes next.

Start a Project  Call 613-498-3508  Join Our Team