Hi GerryS
I think I have found their location - in which case they are no longer standing
Here is the relevant area (the village of Skellingthorpe on the left edge, once much smaller)
http://tinyurl.com/3x3r5bnLong long ago, the Romans built a canal - the FossDyke - to link Lincoln to the River Trent. Ferry Lane runs eastwards to the canal. There was/is a canalside pub called the Pywipe Inn. I believe "pyewipe" is a dialect word for peewit or lapwing. The pub can be seen in the shadow of the A46 Lincoln bypass (top right). Incidentally, the Pyewipe Inn was inside the City boundary and part of one of the city's parishes, so I don't think that the inn was ever part of Skellingthorpe.
The railway junction at the extreme right of the scene was Pyewipe Junction, where the GN+GE Joint Railway (alongside the canal) and the LD&EC (later Great Central Railway) joined.
Now go to
http://www.old-maps.co.uk/maps.html and search
SkellingthorpeWhen you have a map, click on the
right arrow below so that
Map No. 4 is revealed, then click on that map. You will now see a map of the area south of Skellingthorpe with a railway running across the map. Follow the railway along to the east (by clicking the appropriate arrows) until eventually it crosses the "Main Drain". Just above the railway and to the east of the drain you will see a building - surely built by the railway as they was nothing there before the railway arrived. I think that was your Pyewipe Cottages
http://tinyurl.com/2uj45xcRe 1901 census: Notice on the previous page-
Ferry
The Fen ... the earlier name for Ferry Lane was Fen Lane
We must be in the right area