Lower Swedish Cabin

Clifton Heights, Delaware County, Pennsylvania Listed Ref. 80003484 Building
Lower Swedish Cabin, Clifton Heights, Pennsylvania
Photo: User:Smallbones on English Wikipedia., Public domain, via Wikimedia Commons
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Approximate location: the National Park Service places this pin arbitrarily within the property, not at a surveyed point (stated accuracy ±12 m).

Why it's listed

Built of V-notched logs on the banks of Darby Creek in Delaware County, the cabin is a 1½ story structure measuring 30 by 14 feet. It began as a single room with a corner fireplace and a large stone mantel, and a smaller log room with its own rear corner fireplace was later added. The two sections are joined by logs butted into the first room's end wall and held by pegged hewn boards, a method the nomination compares to French log construction. Mud and stone nogging chinks the walls, and the roof has unbarked pole rafters and shingles. Its survival is attributed to continuous occupation. Its early date is traditionally given as about 1650, but the evidence supporting Swedish construction is disputed, and it is also associated with the Swedish log tradition of the New Sweden colony. The cabin is valued as a rare early example of log building in Pennsylvania and as a subject for study of log construction origins.

Significance in brief: The nomination argues the cabin reflects early log construction and Swedish-type plan and joinery, and that it is among the oldest surviving log buildings in the region. It notes the cabin is a rare survival of a building type once common in Swedish settlements, and that its continued occupation has preserved it. The nomination's own Statement of Significance also records that the Register reviewers did not accept the 1650 Swedish attribution, citing evidence favoring a later, possibly German, origin.

Machine-generated summary. This summary was generated by a language model from the official nomination document and has not been reviewed line by line by an editor. It may contain errors. Check the source document before relying on any detail. Source: nomination document (PDF) · National Archives catalog entry. NRHP reference 80003484, listed June 9, 1980. Summary generated October 2026 (model claude-haiku-5-5, prompt v1.1-2026-10-29, confidence medium).

Key facts

AddressCreek Rd., Clifton Heights
CountyDelaware County
ListedJune 9, 1980
Reference number80003484
Resource typeBuilding
Period of significancec. 1650
Areas of significanceExploration/Settlement, Architecture
Level of significanceState
Status (as stated in the nomination)Cleaned and repaired in 1976 without alteration; the document describes almost constant inhabitation since construction.
Acreage1.7
Coordinates39.93471, -75.29480 (NPS GIS)

What listing means for this property

National Register listing is honorary for a privately owned home: it does not by itself restrict what an owner may do with their own money, and it does not require public access. Restrictions come from local landmark or historic-district ordinances, which are separate (how they differ).

Owner-occupied houses are not eligible for the 20% federal rehabilitation tax credit, which applies to income-producing buildings, but many states offer credits for homeowners. Listing also opens the door to preservation easements and to buying a plaque. Start with what listing means for homeowners, renovating a listed house and selling one.

General information, not legal or tax advice. Rules change; confirm with your State Historic Preservation Office or a qualified adviser.

Sources and further reading

Last updated October 2026. Found an error? See the editorial policy for how to report it.