Accents

 Standard Scottish English (SSE)

• The typical vowel system of Scottish English involved the loss of the GB distinctions between /ɑ:/ and /a/, between /u:/ and /ʊ/, and between /ɔ:/ and /ɒ/. Thus ant and aunt, soot and suit, and caught and cot are pronounced the same.
  On the other hand, there may a phonemic split corresponding to GB /e/; while most such words have a vowel of an /ɛ/ quality.
  There is no systemic durational difference between long and short vowels, as there is in GB.

• SSE also has no /Iə, ʊə/ because, like GA it is rhotic. Some speakers will also have different sequences of (short) vowel plus /r/ corresponding to GB /ɝ:/ in bird, serve and turn; others have the same r-coloured schwa /ɚ/ in such words.
  

The chief differences from GB in the realisation of consonants lies in the use of a tap /ɾ/, though there is variation between this and /ɹ/, which is more common in post-vocalic positions and generally more presitigous. The phoneme /l/ is most commonly a dark /ɫ/ in all positions. Intervocalic /t/ is often realised as a glottal stop, e.g. butter.

• Popular London/Broad London/Cockney
  
  Large number of differences of realisation: the short front vowels tend to be uniformly closer than in GB, e.g. in sat, set, and sit. Additionally the short vowel /ʌ/ moves forward to almost /a/.
  Among the long vowels, most noticeable is the diphthongisation of /i:/ and /ɔ/ which varies between /ɔʊ/ morpheme-medially and /ɔwə/.
  Broad London speech also uses distinctive pronunciations of a number of diphthongs.

• Among the consonants most notable are the omission of /h/ and the replacemnt of /θ,ð/ by /f,v/, e.g. hammer /‘amə/ and think /fiŋk/. Dark /ɫ/, i.e. /l/ in positions not immediately before vowels becomes vocalic /ʊ/, e.g. milk /mIʊk/. Before the vocalised form of /l/ there is much neutralisation, e.g. field and filled as /fIʊd/, and pull and pool as /puʊ/; /t/ is realised as a glottal stop following vowels, laterals and nasals, there may be similar replacement of /p,k/ before a following consonant.

• Estuary English
  
  The phonetic features of London in Estuary English include the replacement of dark /ɫ/ by /ʊ/, the glottalisation of /t/ pre-consonantally and increasingly word-finally before pause and before a following vowel; the use of London-type realisations of the diphthons /eI, aI/ and allophones before /l/.
  One intonational characterisitc of London that spread into EE is the use of the ‘unknown’ tag interrogative. In this the speaker uses an interrogative tag with a falling tone. There may also be spreading usage of preposition and auxiliary verb accenting “I didn’t do anything because there was nothing TO do”.

• Multicultural London English

Some of the features are the absence of the fronting of /ʊ, u:, ʊə/, the monophthongisation of /eI/ and /əʊ/ to /e:/ and /o:/ and the absence of the London “crossover”.