Across
Metal on the roof intermittently reflecting sunlight? (8)
A newspaper includes odd pieces in French to impress (6)
I haven't cracked this one yet — but Fifteensquared have:
A + FT (abbreviation for Financial Times = newspaper), containing the odd-numbered letters of F [r] E [n] C [h]. Affect, as a verb = impress = to have an effect on someone.
Nameless Cambridge college keeps university groups waiting (6)
I haven't cracked this one yet — but Fifteensquared have:
QUEE [n] S (Queens’ College, Cambridge; it’s named after more than one Queen, hence the apostrophe at the end) without the N (abbreviation for name), containing U (abbreviation for university).
Last date's reason for not phoning? (8)
The Spanish still travel abroad bagging hotels at the last minute (12)
I haven't cracked this one yet — but Fifteensquared have:
EL (a form of “the” in Spanish) + EVEN (still = undisturbed) + TOUR (travel abroad), containing (bagging) H H (more than one of the abbreviation for hotel = hotels).
Note doctor performs operation in reverse (8)
Bother wrong name on back of certificate (6)
I haven't cracked this one yet — but Fifteensquared have:
X (a mark to indicate that something is wrong) + CITE (name, as a verb = to identify someone as being responsible for something), all added on to the last letter (back) of [certificat] E . I’d usually think of “excite” as raising positive emotions and “bother” as raising negative ones; but I suppose “I’m not bothered” can be equivalent to “I’m not excited” = I don’t really care.
Corpulent swimmer taking short walk at reduced speed (6)
Feeding ten I turn to mince (8)
Shiver cycling racers in Yorkshire town (12)
I haven't cracked this one yet — but Fifteensquared have:
SHUDDER (shiver), with the letters “cycling” so that the initial S moves to the end, then FIELD (the group of competitors in a specific race, especially in horse racing). West Yorkshire market town.
Half staring chap cooked duck soup (8)
I haven't cracked this one yet — but Fifteensquared have:
Half of GAZ [ing] (staring), then an anagram (cooked) of CHAP , then O (zero = duck in cricket scoring). Spanish chilled tomato soup.
China reported Asian hardwood now more expensive (6)
Out of intransigency Prussia split part of Europe (6)
Wasting billions perhaps Trident alarm sounds permanently (8)
Down
Praise for two flips (4)
Gale ordered sweet and sour (9)
Offspring lives with us rising expenses primarily (5)
I haven't cracked this one yet — but Fifteensquared have:
IS (lives) + US reversed (rising = upwards in a down clue) + first letter (primarily) of E [xpenses]. As in the legal phrase “without issue” = without any descendants.
Miracle shot dead on small target (7)
Some people uncoupling at home (9)
I haven't cracked this one yet — but Fifteensquared have:
PART (some = not all) + MEN (people), in between (uncoupling) AT .
Take lift up saving time with children (5)
Top doctor confining new sovereign to bed (10)
I haven't cracked this one yet — but Fifteensquared have:
N (abbreviation for new) + SULTAN (sovereign ruler of a Muslim state), contained in (confined to) COT (a small bed).
Words very old police force eschews on street (10)
I haven't cracked this one yet — but Fifteensquared have:
V + O (abbreviations for very and old), then C [onst] ABULARY without ON + ST (abbreviation for street).
Sailor on land entertained by ship paintings (9)
Baby-sitting circle had parties (9)
'Please leave' picked up very loudly from football supporter? (7)
I haven't cracked this one yet — but Fifteensquared have:
FF (abbreviation for fortissimo = musical term for very loudly) + OF FAN (from a football supporter, for example), all reversed (picked up = upwards in a down clue). Slang expression meaning “go away!”, but rather less polite than the “please” in the definition implies.
Deal with a druggie (5)
Log you could make treen from (5)
I'm doubtful magistrate has secured vault (4)
Type letters or click words in the clue