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Tredyffrin Township
City Zoning Code

ARTICLE VII

R-1 Residence Districts

[Amended 8-15-1983 by Ord. No. HR-76; 10-21-1991 by Ord. No. HR-183; 1-25-1993 by Ord. No. HR-201; 12-12-1994 by Ord. No. HR-236; 10-19-1998 by Ord. No. HR-278; 5-1-2006 by Ord. No. HR-352]

§ 208-20 Purpose.

The R-1 Residence Districts are designed to provide opportunities for moderate intensities of residential development in areas which are effectively served with roads, sewer and water facilities that can support such intensities of land use.

§ 208-21 Use regulations.

Land and buildings may be used and occupied for any one of the following purposes and no other:
A. 
One single-family detached dwelling.
B. 
Township administrative building, public library, public park, play or recreation area; or any similar use owned or operated by a public agency.
C. 
Public transportation shelter, provided that no advertising shall be affixed thereto.
D. 
The following uses when authorized as a special exception, subject to the general standards prescribed in §§ 208-105 and 208-150:
(1) 
Historical or cultural museum or other cultural or philanthropic use not operated for profit, other than a use permitted by this section above.
(2) 
Conversion of a dwelling to two-family or multifamily use, subject to the provisions of § 208-106.
(3) 
Electric substation or any similar public utility use, provided that:
(a) 
No such use shall include an office open to the general public; the storage of materials; rotating equipment; trucking or repair facilities; housing of work crews; a storage garage; or any structure involving major traffic movements;
(b) 
The portion of any such use not located within a building is enclosed or adequately screened in such a manner as to not detract from the character of the district; and
(c) 
No advertising shall be affixed to any structure.
(4) 
Golf or country club, swimming club, tennis club or similar recreational facility on a lot not less than five acres in size, provided that the chief activity shall not be one that is customarily carried on as a business; no building shall be closer than 100 feet to a street or property line; the buildings or services shall be for the use of members and their guests only; and the use shall comply with the provisions of § 208-12F(3)(g) through (i) relating to privately owned outdoor recreational uses in RC Districts.
(5) 
Any other governmental or public utility use, provided that the Zoning Hearing Board shall determine that the placement of such use in the proposed district is a public necessity and that satisfactory screening and other measures are taken to safeguard the character of the surrounding area.
(6) 
Student home located in a single-family dwelling, subject to the provisions of § 208-122.1.
[Added 8-26-2010 by Ord. No. HR-384]
(7) 
Short-term rentals located in a historic structure, subject to the provisions of § 208-122.1a.
[Added 12-5-2022 by Ord. No. HR-459]
E. 
Accessory uses as permitted in § 208-12G, subject to the requirements thereof.
F. 
Signs when erected and maintained in accordance with Article XXV.

§ 208-22 Area, bulk and height regulations relating to dwellings.

The following area, width and height regulations shall apply in the case of any lot used as a dwelling:
A. 
Lot area and width. A lot area of not less than 30,000 square feet and a lot width of not less than 100 feet at the building line shall be provided.
B. 
Building coverage. Not more than 20% of the lot area may be occupied by buildings.
C. 
Impervious coverage. Not more than 30% of the lot area may be covered by impervious surface.
D. 
Front yard. There shall be a front yard on each street on which the lot abuts, the depth of which shall be at least 40 feet.
E. 
Side yards. There shall be two side yards not less than 40 feet in aggregate width and neither less than 15 feet in width.
F. 
Rear yard. There shall be a rear yard, the depth of which shall be at least 25 feet.
G. 
Height. The height of any building shall not exceed 35 feet.

§ 208-23 Area, bulk and height regulations relating to nondwelling use.

A. 
Lot area and width. A lot area of not less than 80,000 square feet and a lot width of not less than 200 feet at the building line shall be provided.
B. 
Building coverage. Not more than 10% of the lot area may be occupied by buildings.
C. 
Impervious coverage. No more than 25% of the lot area may be covered by impervious surface.
D. 
Front yard. There shall be a front yard on each street on which the lot abuts, the depth of which shall be at least 50 feet.
E. 
Side yards. There shall be two side yards, neither of which shall be less than 40 feet in width.
F. 
Rear yard. There shall be a rear yard, the depth of which shall be at least 50 feet.
G. 
Height. The height of any building shall not exceed 35 feet.
H. 
Buffer. Along each property line which directly abuts a residential district or use, a buffer area not less than 25 feet in width shall be provided, subject to the provisions of § 208-102B.
I. 
Special development regulations. In addition to the other regulations of the district, each nondwelling use shall comply with the applicable provisions of § 208-102.