How many solo Top 40 singles has Stevie Wonder had in the UK?

Hello cappe-ga

Thank-you for your question.

According to the everyhit.com website, Stevie Wonder has had the
following hit singles in the UK:

14 Uptight (Everything's Alright)     Feb 1966   
36 Blowin' In The Wind                Aug 1966   
20 A Place In The Sun                 Jan 1967   
05 I Was Made To Love Her             Jul 1967   
22 I'm Wondering                      Oct 1967   
03 For Once In My Life                Dec 1968   
14 I Don't Know Why I Love You        Mar 1969   
04 My Cherie Amour                    Jul 1969   
02 Yester-Me Yester-You Yesterday     Nov 1969   
06 Never Had A Dream Come True        Mar 1970   
15 Signed Sealed Delivered I'm Yours  Jul 1970   
29 Heaven Help Us All                 Nov 1970   
27 We Can Work It Out                 May 1971   
20 If You Really Love Me              Jan 1972   
11 Superstition                       Feb 1973   
07 You Are The Sunshine Of My Life    May 1973   
29 Higher Ground                      Oct 1973   
15 Living For The City                Jan 1974   
10 He's Misstra Know It All           Apr 1974   
30 You Haven't Done Nothin'           Oct 1974   
12 Boogie On Reggae Woman             Jan 1975   
05 I Wish                             Dec 1976   
02 Sir Duke                           Apr 1977   
29 Another Star                       Sep 1977   
02 Masterblaster (Jammin')            Sep 1980   
10 I Ain't Gonna Stand For It         Dec 1980   
03 Lately                             Mar 1981   
02 Happy Birthday                     Jul 1981   
39 That Girl                          Jan 1982   
10 Do I Do                            Jun 1982   
01 I Just Called To Say I Love You    Aug 1984   
03 Part-Time Lover                    Sep 1985   
17 Overjoyed                          Mar 1986   
23 For Your Love                      Feb 1995   
19 So What The Fuss                   May 2005   

01 Ebony And Ivory                    Apr 1982 (Paul McCartney with Stevie
                                                Wonder)
16 That's What Friends Are For        Nov 1985 (Dionne Warwick & Friends
                                                featuring Elton John,
                                                Stevie Wonder & Gladys Knight)
07 Get It                             May 1988 (Stevie Wonder & Michael Jackson)
05 My Love                            Aug 1988 (Julio Iglesias featuring Stevie
                                                Wonder)   
10 How Come How Long                  Jul 1997 (Babyface featuring Stevie 
                                                Wonder)   
11 Signed Sealed Delivered I'm Yours  Dec 2003 (Blue featuring Stevie Wonder & 
                                                Angie Stone)   

The first number indicated the highest chart position of the song,
then comes the title of the track and the date it was a hit.

In total Stevie Wonder (as a solo artist) has had 35 top 40 singles,
as part of a duo or group he has had a further 6 top 40 hits.

I hope this answer fully answers your question, should you need any
further help please ask for clarification.

Search strategy:
http://www.everyhit.com
http://www.steviewonder.net