In expansion of the declaration of legislative intent contained in Article I, § 113-3, of this chapter and the statement of community development objectives contained in Article I, § 113-5, of this chapter, it is hereby declared to be the intent of this article with respect to the R-1 Residential District to establish reasonable standards of performance and promote the desirable benefits which the maintenance and continued viability of West Conshohocken's lowest-density residential neighborhoods will have upon the general welfare of the Borough and its residents. In this regard, single-family detached dwellings and two-family dwellings are intended to coexist in harmony in this district and thus preserve its dominant character.
In an R-1 Residential District, a building may be erected, altered or used and a lot may be used or occupied for any of the following uses, and no other:
A. 
Single-family detached dwellings.
B. 
Two-family dwellings (twins and duplexes).
C. 
No-impact home-based businesses as defined in Article II herein.[1]
[Added 12-13-2005 by Ord. No. 05-10, approved 12-13-2005]
[1]
Editor's Note: Former Subsection C, No-impact home-based businesses, added 4-8-2003 by Ord. No. 03-05, approved 4-8-2003, was repealed 9-13-2005 by Ord. No. 05-08, approved 9-13-2005.
D. 
Any of the following uses when authorized by the Zoning Hearing Board as a special exception:
(1) 
Home occupations, as defined in Article II herein.
(2) 
Playgrounds, parks, tot lots and open spaces not operated commercially for profit.
(3) 
Municipal buildings and municipal uses.
(4) 
Public utility facilities.
(5) 
Recreational and community center buildings operated by a nonprofit agency.
(6) 
Religious or philanthropic uses, but excluding sanatoriums, convalescent homes and correctional or penal institutions.
(7) 
Public, private or parochial educational institutions.
E. 
Accessory uses on the same lot with and customarily incidental to any permitted use.
F. 
Student houses are permitted by special exception by the Zoning Hearing Board, and shall comply with the provisions of Article IV, § 113-33.1, in addition to all other applicable Borough ordinances.
[Added 5-9-1995 by Ord. No. 95-431, approved 5-9-1995]
G. 
Existing nonconforming townhouse units shall be governed by the regulations for townhouses found in Article VI, § 113-39G.
[Added 3-8-2000 by Ord. No. 99-1B, approved 3-8-2000; amended 2-8-2005 by Ord. No. 05-03, approved 2-8-2005; 10-11-2016 by Ord. No. 2016-05, approved 10-11-2016]
The following regulations shall apply in the R-1 Residential District.
A. 
Area, width, yard and coverage regulations.
[Amended 8-11-1987 by Ord. No. 384, approved 8-11-1987; 6-12-2000 by Ord. No. 01-9(a), approved 6-12-2000; 9-13-2005 by Ord. No. 05-08, approved 9-13-2005; 12-13-2005 by Ord. No. 05-10, approved 12-13-2005]
Development Requirements
Single-Family Detached
Twins
(Two-Family Dwelling)
Duplex
Lot area
(minimum)
10,000 square feet
5,000* square feet
5,000* square feet
Lot width
(minimum)
70 feet
50* feet
70 feet
Front yard setback
25 feet
25 feet
25 feet
Side yard setback
15 feet
15* feet
15 feet
Rear yard setback
25 feet
25 feet
25 feet
Building coverage
35%
40%
35%
Impervious coverage
55%
60%
55%
*
NOTE: Indicates per-unit requirements.
B. 
Height. No building hereinafter erected in the R-1 Residential District shall exceed a height of 35 feet except accessory building structures which shall not exceed a height of 14 feet.
[Amended 4-11-2000 by Ord. No. 99-2, approved 4-11-2000; 4-8-2003 by Ord. No. 03-03, approved 4-8-2003]
C. 
Parking and signs. All parking spaces and all signs erected in the R-1 Residential District shall be in accordance with the requirements of Article XV, Off-Street Parking and Loading, and the West Conshohocken Sign Ordinance.[1]
[1]
Editor's Note: See Art. XXIII, Signs.
D. 
Lot area. Notwithstanding the provisions of Subsection A, in the case of a lot held in single and separate ownership as of August 12, 1987, having an area of at least 7,000 square feet and a minimum lot width at the building setback line of 50 feet, a dwelling may be built thereon when authorized as a special exception.
[Added 8-11-1987 by Ord. No. 384, approved 8-11-1987]
E. 
The maximum density for all twin and duplex developments shall be five units per developable acre.
[Added 9-13-2005 by Ord. No. 05-08, approved 9-13-2005; 12-13-2005 by Ord. No. 05-10, approved 12-13-2005]