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1Repair Windows errors before they cause bigger problems2Fix the driver behind crashes, sound loss and screen glitches3Clear out junk files and repair common Windows errorsThe 2006 renovation at 33 Hayden Avenue in Lexington, Massachusetts, solved two conspicuous arrival problems: recessed entrances were hard to identify from the street, and a dark, dated three-story atrium weakened the route to the elevators. The work projected new vestibules and sloped standing-seam metal canopies beyond the brick face, replaced the atrium’s stone tile with polished and flame-finished granite, refreshed carpet and lighting, and replaced elevator operating equipment to address then-current code requirements.
What changed in the 33 Hayden Avenue lobby renovation?
Buildings.com’s case study, published September 25, 2006, describes a targeted repositioning of the building’s arrival experience rather than a wholesale reconstruction. The property had been built in 1979 and occupied by a primary tenant until 2004. After the tenant left and the building became vacant, Boston Properties identified original finishes that had outlived their useful life.
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The report focuses on two visual failures. Entrances sat in recessed niches on two sides of the building, so a person approaching along the street could have difficulty recognizing where to enter. Inside, a three-story atrium had carpet laid over stone flooring and outdated, inadequate lighting. The renovation addressed both conditions in sequence: make the doors legible from outside, then create a clearer, brighter path from those doors to the elevators.
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| Existing condition identified in the 2006 report | Renovation response reported | Design purpose described by the work |
|---|---|---|
| Entries recessed in niches on two sides of the building | Larger vestibules and sloped standing-seam metal canopies projecting beyond the brick face | Give the entrances a stronger presence and improve visibility from the street |
| Three-story atrium with carpet over stone flooring | Remove the original stone tile; install polished and flame-finished granite along the principal route | Define movement between entrances and elevators |
| Carpet and finishes elsewhere in the atrium that no longer matched the refreshed arrival sequence | Install carpet matching the corridors and stairs in the remaining atrium areas | Connect the lobby visually to the rest of the circulation system |
| Outdated, inadequate lighting | Update the atrium lighting | Improve the visual quality of the interior arrival space; the report gives no measured light-level result |
| Original elevator operating equipment and a need to meet then-current codes | Replace the elevator operating equipment | Bring the aging vertical-transportation system into compliance with the code requirements applicable at the time |
Why the original arrival sequence was difficult to read
Recessed doors concealed in two-sided niches
A recessed doorway can disappear into a façade, especially when the approach does not line up directly with the opening. At 33 Hayden Avenue, the case study says entries were set into niches on two sides of the building. That arrangement provided little visual signal from the street: the door was physically present, but the building did not announce the threshold.
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The project therefore treated visibility as an architectural problem, not simply a signage problem. Instead of relying on a small sign or a new finish around the existing opening, the redesign enlarged the vestibules and moved their volume outward. The vestibules extended beyond the brick face, making the entrance read as a projecting element in the façade.
Canopies that mark the threshold
Sloped standing-seam metal canopies were added over the redesigned vestibules. Their slope and projection create a recognizable horizontal-and-diagonal profile when viewed from the approach. In practical terms, the canopy gives pedestrians another cue—the roof-like form of an entrance—to pair with the doors themselves.
The report does not name a metal manufacturer, color, gauge, flashing detail, or lighting integrated into the canopy. Those specifications should not be inferred from the material description. What is established is the strategy: larger vestibules plus projecting, sloped canopies increased the architectural presence of the entry beyond the original recessed niche.
How the atrium floor was reorganized
Granite replaced the original stone tile
Inside the three-story atrium, the renovation removed the original stone tile and installed polished and flame-finished granite. The case study identifies the two finishes as part of the same flooring intervention; it does not provide a quarry, supplier, module size, thickness, joint pattern, or slip-resistance rating.
The granite was used to define the route between the entrances and the elevators. That is an important distinction from simply replacing a worn floor. The material change established a legible circulation band through the volume, helping a visitor understand where to go after crossing the threshold.
Why two granite finishes matter visually
Polished granite and flame-finished granite present different surface textures. A polished surface is visually reflective, while a flame-finished surface is treated to produce a more textured appearance. The report does not assign each finish to a particular strip or edge, so the exact layout cannot be reconstructed from the published account. It does establish that both finishes were selected in the atrium renovation.
Because no performance testing is reported, the project should not be presented as proof of a particular durability, maintenance, or slip-resistance result. The defensible conclusion is narrower: the designers used granite finishes to replace the old tile and to make the principal path visually distinct.
Carpet tied the atrium to corridors and stairs
Granite did not cover every part of the atrium. Carpet matching the corridors and stairs was installed elsewhere in the space. This division gave the lobby a hierarchy: hard, visually prominent flooring marked the principal movement line, while coordinated carpet connected adjacent areas to the building’s existing circulation finishes.
The matching carpet also prevented the renovated atrium from reading as an isolated decorative insert. Instead, portions of the lobby shared a finish language with the corridors and stairs, allowing the arrival space to transition into the rest of the building.
Lighting and vertical transportation were part of the same upgrade
Lighting addressed a dim, dated atrium
The original atrium lighting was described as outdated and inadequate, and the renovation updated it. The available account does not identify fixture types, lamp sources, controls, color temperature, energy use, or before-and-after illuminance. It also does not publish an energy, cost, traffic, or occupant-satisfaction measurement.
That limitation matters when interpreting the result. The project clearly included a lighting refresh as part of the visual renovation, but the historical report supports a description of the intervention—not a quantified claim about brightness or operating savings.
Elevator operating equipment was replaced
The project also replaced original elevator operating equipment. The report connects that work to the challenge of bringing an outdated space into compliance with then-current building codes. The source does not name the elevator system, controller, manufacturer, capacity, speed, or testing authority.
Replacing operating equipment is distinct from installing a new elevator cab or changing the number of elevators. Nothing in the account establishes a cab replacement, shaft alteration, or capacity increase. The supported statement is that the operating equipment was replaced as part of the renovation’s code-compliance response.
How the pieces formed a clearer visitor path
The 2006 work can be understood as a sequence of visual decisions. First, the projecting vestibules and canopies made the exterior threshold easier to locate. Second, the granite route gave the interior threshold a directional surface that led toward the elevators. Third, coordinated carpet connected that route to corridors and stairs. Updated lighting supported the visual reading of the atrium, while elevator-equipment replacement dealt with the building systems behind the visible finishes.
This sequence explains why the project was more than a cosmetic refinish. The intervention addressed recognition outside, orientation inside, finish continuity, illumination, and an aging piece of vertical-transportation infrastructure. The report does not provide a construction budget, schedule, contractor list, measured post-occupancy results, or a statement of later maintenance performance, so those outcomes cannot be assigned to the project.
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Project timeline and later records
| Date or period | What the record says | How to interpret it |
|---|---|---|
| 1979 | 33 Hayden Avenue was built. | Building-history context reported by Buildings.com, not a renovation date. |
| Until 2004 | A primary tenant occupied the building. | The vacancy that followed prompted recognition that original finishes had aged. |
| September 25, 2006 | Buildings.com published the lobby-renovation case study. | The principal historical account of the entry, atrium, lighting, flooring, and elevator-equipment work. |
| November 12, 2013 | Lexington’s archived permit list records a demolition permit associated with Synageva/Boston Properties and J. Calnan & Associates. | A limited permit description; it is not a complete design record for the 2006 lobby project. |
| April 2, 2014 | The archive records supply-distribution, register, and ductwork work. | These descriptions should not be expanded into assumptions about finishes, layout, or a full renovation. |
| Fall 2019 | VIVO Architecture reports a separate Dicerna Therapeutics office transformation at the same address. | A later project with a different client brief and scope, not the 2006 lobby renovation. |
Was the 2019 Dicerna project the same renovation?
No. VIVO Architecture describes work for Dicerna Therapeutics completed in fall 2019. Its account says existing research facilities were transformed into a brighter, more open office environment and mentions a fitness center, a light-filled atrium, and outdoor patios.
Those features belong to the 2019 office transformation as described by VIVO. They should not be retroactively assigned to the 2006 lobby project, whose published scope centers on projecting entry vestibules, sloped metal canopies, granite flooring, coordinated carpet, lighting, and elevator operating equipment.
The shared street address explains why the projects can be confused, but address continuity does not establish project continuity. The 2019 account is useful later-history context only; it does not document the condition of the building immediately after the 2006 work or establish what may have changed between the two projects.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What the historical sources establish—and what they do not
- Established: the building dates to 1979; a primary tenant remained until 2004; the 2006 report identifies recessed entries and a dark, dated atrium as the central problems.
- Established: larger vestibules, projecting sloped standing-seam metal canopies, polished and flame-finished granite, coordinated carpet, updated lighting, and replacement elevator operating equipment were reported as renovation elements.
- Established: the 2019 Dicerna office transformation was a separate project completed in fall 2019.
- Not established: the present-day ownership, tenant, occupancy, physical condition, exact product specifications, project cost, construction duration, energy performance, traffic change, satisfaction level, or any alterations after the described work.
- Not established: a granite supplier, elevator manufacturer, lighting model, contractor for the 2006 project, or a measured code-compliance outcome beyond the report’s explanation that equipment was replaced in response to then-current requirements.
Keeping those boundaries in place is essential for an accurate historical case study. The available records describe design intent and reported scope; they do not constitute a current-condition survey or an independently measured post-occupancy evaluation.
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Make the entrance legible before adding decorative detail
At 33 Hayden Avenue, the first problem was not an unattractive door but an entry that was difficult to see. Enlarging the vestibule and projecting it beyond the façade addressed recognition at the scale of the street. For a similar building, the initial study should examine approach angles, sightlines, recess depth, canopy projection, and how the entrance reads in different weather and daylight conditions.
Use flooring to explain movement
The granite path demonstrates how a floor can function as wayfinding. A contrasting or materially distinct band can connect the exterior threshold to the elevator lobby without relying entirely on signs. Designers still need to verify maintenance, slip resistance, transitions, accessibility, and cleaning requirements for the specific material and finish; the 2006 account does not supply those specifications.
Coordinate the lobby with adjacent circulation
Matching carpet in the atrium, corridors, and stairs kept the renovated areas visually related. A lobby refresh is more coherent when the finish palette acknowledges the routes people take after entering rather than stopping at the first room.
Include hidden building systems in the scope
The elevator-equipment replacement shows why an apparently finish-led project may require systems work. Early surveys should identify obsolete controls, inspection requirements, accessibility obligations, and code triggers before the design is priced. The 2006 report does not provide a checklist of those requirements, so contemporary teams must verify them against the codes and authorities applicable to their own project.
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Separate historical evidence from current verification
Drawings, permits, photographs, and project accounts answer different questions. A case study can establish what designers reported installing, while a current survey is needed to establish what remains. The Lexington permit archives from 2013 and 2014 illustrate that distinction: their brief descriptions provide context but are not a substitute for construction documents or a field inspection.
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