Neither seem very close (20 meters?) and a lot of foliage in the way. Can't see either providing a lot of light.
As Pfinder says, there are three lamposts. The one immediately opposite the Mccann patio is difficult to see.
Zoom right in on the photo and concentrate on the left hand conifer. If you look carefully you will see a dark globe shape peeping out of the top of the tree.(it is in shadow, so looks dark)
All the lamps are between 12 and 20 metres away (roughly) from Madeleines window.
The great bushy trees make them ineffective as to lighting the window or door alcove. Some reflected light would get thru, but it would be very minimal.
In fact, having been there, in the walled pathway in front of Madeleines bedroom and the Front door alcove, I can afirm that it was very gloomy there and the doorway alcove was extremely dark. That was in mid 2010
An added reason for checking via the patio door, rather than the front door? Getting a key into a lock without light would have been a real pain IMO.