The Guardian - Quick - Jan 19, 2015

 The Guardian - Quick Crossword Answer - Jan 19, 2015

Clue	Answer
Artist's workroom	ATELIER
City on the River Wear	SUNDERLAND
Due	OWING
Extension to a building	ANNEXE
Gen (abbr)	INFO
Grabbed	SNATCHED
Hard labour	TOIL
Large house	MANSION
Made bigger	ENLARGED
Mere	LAKE
Not fully developed	IMMATURE
On the dot	PROMPT

Clue	Answer
Pale bluish-green	AQUAMARINE
Physical effort	EXERTION
Pinnacle	APEX
Security for a loan	COLLATERAL
Self-willed	HEADSTRONG
South American country	CHILE
Speed up	QUICKEN
Stewed fruit dish	COMPOTE
Unit of geological time	EPOCH
University qualification	DEGREE
Upward movement	ASCENT
Welsh vegetables?	LEEKS