On Grand Tier balcony seats during a production at the Royal Opera House.
The stroke of midnight at the statue of Eros in the middle of Piccadilly Circus.
On the Queen's Park Bridge over the River Dee in Chester.
On the East side of Hungerford Bridge, overlooking the Thames, Southbank and City.
On one of the viewing platforms of The Shard.
During a chauffer-led punt down the River Cherwell in Oxford (with a posie ring).
In one of the sweeping gardens of Bath's Prior Park.
In the open-air rooftop pool at the Thermae Bath Spa, which you've booked for your own use.
On a boat trip to a secluded island in the lake in Stourhead.
At Stratford-Upon-Avon's Rooftop Restaurant and Bar.
Just remember: do it your way, do it with sincerity, and do it when you know she's going to say yes.