Connecticut Trust For Historic Preservation

GNCB Consulting Engineers, P.C.

130 Elm St.
Old Saybrook, Connecticut 06475
Phone: 860-388-1224
Fax: 860-388-4613
Contact: James Norden, P.E.

The Historic Preservation Group at GNCB Consulting Engineers has been providing specialized services to owners and architects in the areas of building preservation, conservation and adaptive reuse for the past 30 years. GNCB’s approach highlights an understanding of aesthetic considerations and our clients’ intended use. Our historic projects comply with The Secretary of the Interior’s Standards for Treatment of Historic Properties. GNCB is intricately familiar with modern building codes, and has extensive experience applying these codes sensitively to adaptive re-use projects. GNCB’s Historic Preservation Group provides the following services:

• Condition Assessments

• Construction Documents

• Measured Drawings, including Historic American Building Survey (HABS) Drawings

• Historic Structures Report Services

• Building Envelope Surveys, Including Façade Analysis and Waterproofing Assessments

• Lateral Load Improvements

• Construction Administration Services

• Masonry and Timber Preservation Consulting

Representative Historic Projects:

Katharine Hepburn Cultural Arts Center, Old Saybrook, CT – Brick opera house restoration to multi-purpose town facility centered on performing arts use, including sympathetic side addition. ca. 1910.

Webb House of the Webb-Deane-Stevens Museum, Wethersfield, CT – Historic American Building Survey documentation and structural intervention (Conservation), including sensitive structural intervention at the historic Washington Rochambeau parlor.  ca. 1752.  

Ponemah Mills Complex, Taftville, CT – Conversion of a large 1800s riverside textile mill to affordable and market rate housing and retail complex.  Designed to meet owner’s requests while accommodating the complexities of change necessitated by Connecticut Building Code. 


The Barnum Museum, Bridgeport, CT – Conservation assessment program structural survey and report, and emergency attic stabilization. The next phase of work will include structural stabilization of the domed roof, and support of proposed museum updates. 

Nathan Hale Homestead Barns, Coventry, CT – Existing conditions assessment survey and report of eighteenth century barns.  Project included restoration requirements and exploration of conversion to educational adaptive use.

First Congregational Church of Guilford, Guilford, CT – Existing conditions survey and report, and preparation of construction documents for repair of sanctuary portico, ca. 1829.

Center Church, First Church of Christ, Hartford, CT – Existing conditions survey and report, preparation of construction documents, and construction administration of sanctuary historic plaster ceiling, ca. 1807.  GNCB expanded on the Morgan Phillips (Society for the Preservation of New England Antiquities / Historic New England) method for plaster repair to successfully repair failing plasterwork.   

Wauregan Hotel, Norwich, CT – Adaptive re-use of ca. 1850 6-story urban hotel to 137 housing units with street level retail.  One of two hotels where Abraham Lincoln stayed when passing through Connecticut in 1860.

Old Newgate Prison, East Granby, CT - Existing conditions assessment survey and report of 1700’s National Historic Landmark guardhouse, tobacco barn, stone walls, ruins, and copper mine.  Ruins concept design to stabilize collapsing stone walls while adding skeletal framework for visitation level experience.  Property is owned and managed by the Connecticut State Historic Commission.  

Avery Point Lighthouse, Groton, CT –Restoration of masonry façade and wood lantern room of historic lighthouse, ca. 1942.

Additional Historic Projects:

Henry Whitfield House, ca. 1639, Guilford, CT – Existing conditions assessment survey and report for the National Historic Landmark building.
UConn Wilbur Cross Library, Storrs, CT – Renovation of former library facility for use as campus student center, ca. 1939.
Roseland Cottage, Woodstock, CT – Preparation of roof restoration grant application documents for ca. 1846 Gothic revival style summer retreat.  The property is owned and operated by Historic New England as a historic house museum.