Across
Lightweight service of no note? (3,4)
I haven't cracked this one yet — but Fifteensquared have:
Something lightweight has “low mass”; in the Roman Catholic liturgy a low mass is one without music, or notes
It was honourable, for Japanese double-decker was open-top? (7)
I haven't cracked this one yet — but Fifteensquared have:
BUS HID O (nothing). Bushido is the Japanese “way of the warrior”, or the Samurai way of life
10a
Small time Scots golfer packs in US round — the price he pays for his driving? (5,9)
See 9
Here's the latest deplorably bad ratatouille! (4,3,5,2)
High sea swirling round Sardinia manor houses (4)
Knowing about false icon, failed to impress (3,2,3)
Say "That was funny!", then tour model village (8)
I haven't cracked this one yet — but Fifteensquared have:
EG (say) in (“toured by”) LOL (that was funny) + AND (then). Legoland (of which there are several – the UK one is near Windsor) is a theme park that is (more apparently than actually) built from Lego bricks
Mausoleum site's £1K value reduced by 33% (4)
I haven't cracked this one yet — but Fifteensquared have:
A GRA[ND] – AGra is the site of the Taj Mahal
Strong second eleven players each get forward quickly (4,5,5)
I haven't cracked this one yet — but Fifteensquared have:
FULL (strong) + S + TEAM + A HEAD (each)
24a
Where chests are looked after, is writhing outside of emergency room in awful pain (9,5)
See 23
Passion exhibited in novel case (7)
Make a better offer (3,4)
Down
Beastly young spy boss trespassing on Q Division? (4)
Cycle across carpet with weapon, giving a look of disdain (9,6)
I haven't cracked this one yet — but Fifteensquared have:
THE RING (Wagner’s cycle) in WIG + LANCE. I presume wig=carpet because they both mean “reprimand”; at first I thought it might be an alternative to the slang “rug”, meaning a wig (on your head)
Nameless type in A&E scrape (6)
I haven't cracked this one yet — but Fifteensquared have:
BRA[N]D in A [and] E
To repress lecturer going through first of epileptic seizures, stood up (6)
I haven't cracked this one yet — but Fifteensquared have:
L in E[pileptic] FITS, reversed
Try very hard to pull replacement player over, collecting cheers! (4,1,3)
I haven't cracked this one yet — but Fifteensquared have:
TA (thank you, cheers) in reverse of TUG SUB[stitute]
Where to get taught in present-day European capital and afflicted round former one (8)
Christian song corrupted by editor might elicit such a question (2,7,6)
Open cut? Yes, across road (4,3,3)
Walk into sci-fi expert's group (5,5)
I haven't cracked this one yet — but Fifteensquared have:
MALL (a walk[way]) in SF ACES. The Small Faces were a pop group of the 1960s
Outstanding performer on court contracted canine fever (5,3)
I haven't cracked this one yet — but Fifteensquared have:
C[anine] + LASSA + (“on”) CT
Prisoner's nice warm coat, perhaps sleeveless (8)
I haven't cracked this one yet — but Fifteensquared have:
Not sure about this, but a nice warm coat could be a WINTER NEED, which loses its “sleeves” to become INTERNEE
Smell put up by Liberal, having no principles (6)
I haven't cracked this one yet — but Fifteensquared have:
AROMA< + L
"Takeaway" Catholic, well-equipped for child-bearing? (6)
Noel, Liam & Co are unloved, like Status Quo (2,2)
I haven't cracked this one yet — but Fifteensquared have:
OASIS (band consisting of N + L Gallagher among others) less O
Type letters or click words in the clue