Similes spill from Wretch 32’s mouth like lava from an erupting volcano showing just why the Tottenham-born rapper is such hot property these days.

Whether we are chatting about him performing at BBC Proms on Wednesday night, moving away to Barnet or the intricacies of the music business his speech is woven with lyrical imagery and I’m pretty sure that during the course of our 30 minute interview he came up with six potential song ideas without even realising it, or breaking a sweat.

He compares moving away from the Tiverton Estate to the more affluent Barnet as like escaping a burning building, battling with other rappers to the Premiership rivalry and music as “the most wanting girlfriend ever”.

“It wants every second of your time, your ears, your eyes, your thoughts, your heart, everything, “ explains the father-of-two, “so people around you have got to be prepared to understand that. You can’t help it, it’s your calling.”

For Wretch, real name Jermaine Scott Sinclair, the first bubblings of his vocation began as a teenager when he began messing around with lyric writing. The Northumberland Park School pupil failed his music GCSE but he was undeterred from his dream of a music career, although he knew from the start it wouldn’t be easy.

“Yeah it was hard to get advice, especially when there isn’t someone specific to your genre. Rap is quite frowned upon at times. People think it’s gonna be violent before they have even heard records.”

His first release under the moniker Wretch 32, a combination of his Jamaican mothers nickname for him and his lucky number, was a series of mixtapes, including Teacher's Training Day – which featured guest appearances from Ghetts, Bashy and Scorcher.

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But it has taken a lot more than luck to get him where he is today-preparing to release his third studio album Growing Over Life and headlining BBC Radio 1Xtra’s Prom with Stormzy, Lethal Bizzle and conductor Jules Buckley.

“Not blowing my own trumpet, but I think people respect what I do in terms of a live show, " says the 30-year-old on being part of the prestigious event, "especially in terms of a live band and trying to push the performance levels."

The rapper admits he was nervous ahead of his first ever gig ay XOYO, worrying no one would show up and what to wear but these days he is undaunted either by performing in the Royal Albert Hall, taking to the stage at V Festival later this month in front of thousands or performing a few feet away from fans as part of Westfield Stratford City’s Music Cube.

“I think if you are a performer you can perform in front of anyone. When you have got that many people behind you and your music sounds like that then there‘s nothing to be nervous about other than forgetting your lines.”

It is this cool self-confidence that helps him temper the volatile nature of the music industry and he explains: “I feel I can walk in any room and remain myself and I think when you can do that you can do anything.

"You could walk into a room of millionaires and feel like the smallest pea in the pod. But you aren’t necessarily, it’s just finding something people identify with.

"I feel I can have a conversation with anyone and I’m open to do so and I think that helps me in terms of confidence.”

This combined with his undeniable talent has seen Wretch championed by BBC Radio 1Xtra, touring with Example and Professor Green and his song Blackout nominated for a Best Song MOBO in 2013.

But he says he doesn’t pay attention to critics and commercial success

“I didn’t dream of being number one on the chart, just the best rapper and that is still my thing.

“The chart thing comes and goes in waves so I don’t think they should be your aim because what happens if they decided not to have them anymore? Then your dreams is shattered and what do you aspire to then? So I think you should always aim to be the best at what you do.”

He also enjoys defying stereotypes like on latest single 6 Words when he sang instead of rapped and says: “In the beginning it was like ‘I don’t know if a rapper will have a festival smash’ and then you do that and then it was ‘I don’t know if a rapper will sing a song’ and then you do that and then what’s next? ‘I don’t know if a rapper will go to Mars’ then I’ll do that!"

He finished recording Growing Over Life in Stratford a while ago but the release has been delayed until later this year due to a problem over the use of a sample on one of the tracks.

“It will definitely come out this year, “he reassures me. “It has been a good year for hip hop with J Cole and Kendrick and Dr Dre and Krept and Konan dropping their album and doing good things so I think people’s ears are open to it.

"I was listening to Dre’s album last night and all of my Twitter timeline was awake listening to it as well. It’s masterpiece in terms of the production and how it feels, it takes you from where ever you are into Compton, I like that when an artist brings you into their world.”

Until a few years ago his world was based in Tottenham and he says it is perhaps the biggest influence on his music so far.

“I would have written completely different growing up somewhere else. Where you are from and your surroundings, especially when you are very artistic and like a sponge, they matter a lot.

"So if I had grown up in Iceland I would have had completely different records. I put my music down to everything I have seen and heard and been around."

He says of growing up there amid the riots: "It’s a hard place in general. But if you ask the lion what the jungle is like he just says its home because he knows no different until he’s out."

For Wretch his ‘out’ was moving to Barnet and he says: "I think sometimes you just need different scenery.

"I know what I like to write about when I’m in Tottenham but when I moved out I liked that I could see something different. Really and truly I’m that type of artist that everything I do is to just better the songs I’m making at the time and I want to give a well-rounded perspective.

"It sounds crazy but imagine being in a fire and only writing about it from that perspective but when you have the opportunity to be standing outside the house looking in then it’s a completely different. “

His philosophical attitude continues when it comes to rivalry within rap and he says his aim is to surpass his own achievements. Not others.

“There is always a rivalry like Man United versus Arsenal but at the end of the day they all like playing football. So how much of a rivalry is it because I can’t honestly hate you for loving something I love?"

"So everyone makes out there is some mad rivalry but there isn’t, we all have one common interest and that’s to make great music and if our song comes out the same day I want to win but there’s no malice.

"If we are on the same song I want to have the best verse but I’m not gonna cut your microphone off to do that I’m just gonna be the best I can be.”

He met one of his idols P Diddy when his single Traktor, taken from second album Black and White was battling it out in the charts with the American rapper’s song.

“He had a record out that was no 4 and I had no 5 and they were switching throughout the week so he was like ‘yeah we’re battling in the chart right now’ and he was saying in the UK we should keep pushing and getting bigger.”

Wretch is well known for championing new acts in the scene here, reeling off names such as Youngun, and Shakka, as ones to watch and when asked why says: “I just think it’s something real musicians do. When you hear something incredible you should tell people about it.

"I’m always surprised when I see musicians that never talk about songs. I think ‘what have you turned in to?’. I don’t know how to be any other way. When I hear something good I want to share it."

His advice for young performers wanting to master the industry is “dedication”, something Wretch has proved by example.

“If I did a different job I wouldn’t be comfortable to do an 18 hours shift,” he explains, “ but I’m comfortable to stay in the studio for 18 hours with only one meal, and the time just goes.

“It’s like if I asked you how much time you have breathed today you wouldn’t know, it’s just something you do and music is the same for me.”

BBC Proms Late Night with BBC Radio 1Xtra on Wednesday, August 12 from 10.15pm. Details: bbc.co.uk/events/erdc8g

Sure Arena stage at V Festival, Hylands Park, Chelmsford, Sunday, August 23. Details: vfestival.com

Music Cube, Chestnut Plaza, Westfield Avenue, Stratford, Sunday, August 30. Details: westfieldmusiccube.com