Winchester Apt
Multifamily Housing in Seattle, WA · 605 E DENNY WAY · 98122
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 75 (band B) |
| Site EUI | 65.7 kBtu/ft² |
| Source EUI | 82.5 kBtu/ft² |
| GHG emissions | 68 tCO₂e |
| GHG intensity | 3.0 kgCO₂e/ft² |
| Electricity | 51,666 kWh |
| Natural gas | 13,216 therms |
| Gross floor area | 22,795 sq ft |
| Source record | seattle:26076:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 75 | -16 | 65.7 kBtu/ft² | 68 tCO₂e |
| 2024 | 91 | -1 | 52.4 kBtu/ft² | 55 tCO₂e |
| 2023 | 92 | +5 | 51.8 kBtu/ft² | 54 tCO₂e |
| 2022 | 87 | -4 | 58.2 kBtu/ft² | 62 tCO₂e |
| 2021 | 91 | +2 | 54.1 kBtu/ft² | 58 tCO₂e |
| 2020 | 89 | +12 | 52.7 kBtu/ft² | 55 tCO₂e |
| 2019 | 77 | -7 | 62.7 kBtu/ft² | 68 tCO₂e |
| 2018 | 84 | -1 | 54.7 kBtu/ft² | 56 tCO₂e |
| 2017 | 85 | -7 | 55.7 kBtu/ft² | 57 tCO₂e |
| 2016 | 92 | -1 | 47.5 kBtu/ft² | 48 tCO₂e |
| 2015 | 93 | 46.5 kBtu/ft² | 47 tCO₂e |
Compliance context
Seattle Energy Benchmarking Ordinance (SMC 22.920)
Seattle's Building Emissions Performance Standard (adopted 2023) applies to buildings over 20,000 sq ft: benchmarking verification is due 2027–2030 and initial emissions targets 2031–2035, reaching net zero by 2041–2050, with fines for non-compliance.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 605 E DENNY WAY
- City
- Seattle
- State
- Washington
- ZIP
- 98122
- Coordinates
- 47.61827, -122.32359
Within ~1 km
Nearby benchmarked buildings
College/University · 2,099,379 sq ft
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- The Danforthscore 100
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- Nexusscore —
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- Sitka Apartmentsscore 100
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- Kinects Towerscore 87
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See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Winchester Apt's energy grade?
Winchester Apt scores 75 out of 100 on ENERGY STAR — band B (Above median (70–84)) — in its 2025 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Winchester Apt use?
Its 2025 site energy-use intensity was 65.7 kBtu/ft² (82.5 kBtu/ft² source) across 22,795 sq ft, including 51,666 kWh of electricity and 13,216 therms of natural gas.
What are Winchester Apt's carbon emissions?
Winchester Apt reported 68 tCO₂e of greenhouse-gas emissions (3.0 kgCO₂e/ft²) for 2025. Seattle's Building Emissions Performance Standard (adopted 2023) applies to buildings over 20,000 sq ft: benchmarking verification is due 2027–2030 and initial emissions targets 2031–2035, reaching net zero by 2041–2050, with fines for non-compliance.
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Dataset updated . Source: Building Energy Benchmarking disclosure, record seattle:26076:2025.