Costs of Places

This post is about specific buildings and there generic costs. This can be modified by the territories economy or location.

Small Stone House - 1200gp -occupancy is 1 person-
Small Wood House - 450gp -occupancy is 1 or 2 people -
Large Stone House - 3800 - occupancy is a small family -
Large Wood House - 2100 - occupancy is a family unit -

Small Stone Manse - 13000gp - Several bedrooms and several chamber rooms
Small Wood Manse - 7500gp - Several bedrooms and several chamber rooms
Large Stone Manse - 28000gp - Many bedrooms and many chamber rooms
Large Wood Manse - 21000gp - Large amount of bedrooms and chamber rooms

Small Cellar - 800g- Small storage space, single room.
Large Cellar - 1200gp - larger storage space, single room.

Basement - 1400gp - larger underground room or series of small sectioned rooms
Large Basement - 2600gp - Series of several connected small underground rooms.

Small Stone Tower - 9000gp - 20', narrow, may have several rooms
Large Stone Tower - 18000gp - 40' wide, has several rooms and small basement / cellar
Wood Watch Tower - 800gp - Small 20' wooden frame with a single open lookout point at the top.

Small Stone Keep - 65000gp - Fortified and has battlements. Has thick stone walls and same space and chambers as a large stone manse.
Large Stone Keep - 135000gp min - Massive and has battlements and watch towers. Has thick stone walls and about as much space and chambers as a large wood manse.

Wooden Wing - 4000gp - Adds a moderate amount of bed chambers or chamber rooms.
Stone Wing - 9000g- - Adds a small amount of bed chambers or chamber rooms

Stone Barracks - 12000g- Most barracks are made out of stone, though wooden barracks could be constructed in emergencies. They tend to be open buildings with one or two small rooms.

Wooden Quarter Room - 5500gp - Building housing nothing but bed chambers. Sometimes houses a single large chamber as well as many bed chambers.

Stone Library - 6200 - This is a small stone building fortified against fire and weather. There is a standard build for many libraries and it tends to be open on the inside with perhaps space for one or two small rooms.

Other Constructions -
Temples - Usually use the skeleton of one of the above buildings and adds 100-500% of the actual cost due to architecture and art work.

-This is generalized but gives you an idea of the costs, wood being cheap, stone being expensive. Large creations become exponentially more expensive, even when adding small amounts of space thanks to the amount of extra timber or stone required. This does not include furnishings, only the construction.