Unified Development Ordinance, 31st Supplement, May 2024

Article 1.5. Measurement, Exceptions & General Rules of Applicability | CHAPTER 1. ​INTRODUCTORY PROVISIONS

B. [Reserved for future codification] C. Story Height 1. Story height is measured from the top of the finished floor to top of the finished floor above. 2. Minimum ground story height applies to the first 30 feet of the building measured inward from the street facing facade. At least 50% of the ground story must meet the minimum ground story height provisions. 3. Where applicable, at least 80% of each upper story must meet the required minimum upper story height provisions. 4. As a primary or accessory use, levels of a parking structure with both a ceiling and a floor shall be included when calculating the maximum number of stories. 5. For buildings using the Multiple Module Height Method of Sec. 1.5.7.A.2.b, a higher or lower floor may be designated as the ground story for different portions of a building façade.

number of stories may be built on the lower portion of the lot. This provision shall not be applicable for any structure that includes a basement.

Height

Ground Floor Eleva on

Street

Addi onal Story

8. Where the property slope increases to the rear, building, or building module, height is measured from the average post-development grade above sea level of the front and rear wall plane of the building or building module. However, buildings subject to the standards of Sec. 2.2.7. shall utilize the same averaging approaches in Sec. 1.5.7.A.2.c. above, in order to calculate the average grade between the pre-development average grade and the post-development average grade. When the average post-development grade utilizing both the front and rear wall planes is lower than the average pre-development grade, then height shall be measured from the average post-development grade of the front and rear wall planes.

Module 2

Rear Corner 2

5

Module 1

Rear Corner 1

Height

4

Average of Front and Rear Corners at Grade

5

Height [Module 2]

Front corner 2

3

4

Height [Module 1]

Street

2

3

Front corner 1

Street/ Side Yard

2

Ground Floor

Ground Floor

Street/ Side Yard

Average Height [Module 2]

Primary Street

Average Height [Module 1]

Supp. No. 31

1 – 23 Published May 2024

Part 10: Unified Development Ordinance City of Raleigh, North Carolina