The first one

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Across
  1. 2. Reportedly observed the location for the new building. (4)
  2. 3. Essentially, fake facts are just one side of the diamond. (5)
  3. 9. Set back in the grass, we found the aquatic plant. (4)
  4. 10. Returns a portion of help to the pool area. (4)
  5. 11. Sounds like a great tool for a kitchen worker. (6)
  6. 14. Stupidly made evil old age, perhaps in the middle of history? (8)
  7. 16. Large boat required for the English Channel crossing. (4)
  8. 17. Support a girl sitting right at the edge of the map. (6)
  9. 19. We hear the animal is totally naked in the woods. (4)
Down
  1. 1. The man and bird together provide the timber for the cabin. (7)
  2. 2. Go back to the planet to see the celestial body. (4)
  3. 4. Firm holds money for a sweet snack in the office. (6)
  4. 5. Ancient weapon found in some heavy metal armor. (4)
  5. 6. Unusually great object found in the fireplace. (5)
  6. 7. Both man and boy are a pair of biblical proportions. (4)
  7. 8. Company holding onto first piece of gold for the fireplace. (4)
  8. 12. Center of gravity is a portion of the whole perspective. (4)
  9. 13. Identify unique part of the plan for an ancient forest. (4)
  10. 15. High standard required for this type of wood. (4)
  11. 18. Tidy up the messy yard for the heavy cart. (4)