Glenwood - The Brittany
Multifamily Housing in New York City, NY · 439 East 92nd Street · 10128
At a glance
Glenwood - The Brittany is a 321,174-square-foot multifamily housing building at 439 East 92nd Street in New York City, New York, built in 1994. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 23 out of 100 (grade D), a site energy-use intensity of 86.6 kBtu/ft² and 1,999 tCO₂e of greenhouse-gas emissions. That score is higher than 13% of the 22,829 scored multifamily housing buildings in New York City.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 23 (band D) |
| Site EUI | 86.6 kBtu/ft² |
| Source EUI | 135.2 kBtu/ft² |
| GHG emissions | 1,999 tCO₂e |
| GHG intensity | 6.2 kgCO₂e/ft² |
| Electricity | 2,385,432 kWh |
| Natural gas | 188,450 therms |
| Water use | 12,893 kgal |
| Gross floor area | 321,174 sq ft |
| Source record | nyc:4036606:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 23 | +16 | 86.6 kBtu/ft² | 1,999 tCO₂e |
| 2023 | 7 | +1 | 116.1 kBtu/ft² | 1,904 tCO₂e |
| 2022 | 6 | 123.6 kBtu/ft² | 1,817 tCO₂e |
Compliance context
Local Law 84 (LL84)
Under Local Law 97, buildings over 25,000 sq ft face carbon caps with fines of $268 per metric ton of CO₂e over the limit, phasing in from 2024.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 439 East 92nd Street
- City
- New York City
- State
- New York
- ZIP
- 10128
- Coordinates
- 40.78003, -73.94498
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Glenwood - The Brittany compare with other multifamily housing buildings in New York City?
The latest disclosures cover 33,022 multifamily housing buildings in New York City, out of 48,310 buildings citywide. Glenwood - The Brittany's ENERGY STAR score of 23 compares with an average of 63 across the 22,829 that report a score; it scores higher than 13% of them and lower than 86%. Its site EUI of 86.6 kBtu/ft² is about 16% above the average of 74.9 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 6.2 kgCO₂e/ft² is about 20% above the group average of 5.2 kgCO₂e/ft².
At 321,174 sq ft, it is about 218% above the average floor area of 100,951 sq ft for those buildings. It was built in 1994, 42 years later than the group's average year built (1952). Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².
How has Glenwood - The Brittany's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Glenwood - The Brittany, covering report years 2022–2024. Its ENERGY STAR score went from 6 in 2022 to 23 in 2024 (+17 points). Site EUI moved from 123.6 kBtu/ft² (2022) to 86.6 kBtu/ft² (2024), a 30% decrease. Reported emissions went from 1,817 tCO₂e to 1,999 tCO₂e over the same span (up 10%).
What does an ENERGY STAR score of 23 mean?
ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: a score of 23 means the building performs better than about 23% of its national peers. BuildingCensus bands the score into report-card grades; 23 falls in band D — lowest band (1–54). It sits 52 points below 75, the threshold for ENERGY STAR certification. In New York City, 43% of scored buildings are at 75 or above.
Site energy-use intensity (EUI) is the energy a building uses on site in a year divided by its floor area, in thousand Btu per square foot — lower is more efficient. Glenwood - The Brittany's 86.6 kBtu/ft² across 321,174 sq ft works out to about 27.8 billion Btu (8,151 MWh-equivalent) in 2024. Its source EUI of 135.2 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 2,385,432 kWh of electricity, 188,450 therms of natural gas and 12,893 thousand gallons of water for the year.
Which law requires Glenwood - The Brittany to report its energy use?
Glenwood - The Brittany reports under Local Law 84 (LL84), the legal basis of New York City's Energy and Water Data Disclosure program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2024 disclosure (source record nyc:4036606:2024). Under Local Law 97, buildings over 25,000 sq ft face carbon caps with fines of $268 per metric ton of CO₂e over the limit, phasing in from 2024.
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- Multifamily Housing buildings in New York City· 33,022 benchmarked
- All New York City benchmarked buildings· Local Law 84 (LL84)
- Most efficient large buildings in New York City
- Least efficient large buildings in New York City
- Biggest emitters in New York City
Frequently asked questions
What is Glenwood - The Brittany's energy grade?
Glenwood - The Brittany scores 23 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Glenwood - The Brittany use?
Its 2024 site energy-use intensity was 86.6 kBtu/ft² (135.2 kBtu/ft² source) across 321,174 sq ft, including 2,385,432 kWh of electricity and 188,450 therms of natural gas.
What are Glenwood - The Brittany's carbon emissions?
Glenwood - The Brittany reported 1,999 tCO₂e of greenhouse-gas emissions (6.2 kgCO₂e/ft²) for 2024.
Where is Glenwood - The Brittany?
Glenwood - The Brittany is at 439 East 92nd Street, in New York City, New York 10128. Its coordinates are 40.78003, -73.94498 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Glenwood - The Brittany and when was it built?
Glenwood - The Brittany has 321,174 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1994 as its year built. It is classed as multifamily housing.
Is Glenwood - The Brittany covered by Local Law 84 (LL84)?
Yes — it appears in the 2024 Energy and Water Data Disclosure disclosure, which lists the buildings reporting under Local Law 84 (LL84).
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About this data
Source: Energy and Water Data Disclosure (Local Law 84 (LL84)), as published October 2, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “Glenwood - The Brittany, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/glenwood-the-brittany-c6662a56 (data as of October 2, 2026).