Looking at the last 6 months, AA Property Services UK Ltd on average sell their properties within 1 weeks. They currently have 6 listings online. Most of their listed properties have 3 bedrooms. They are most active in N12, HA8 and NW4. They list homes for sale on Zoopla and OnTheMarket.
They are very familiar with N12, with all of their recent listings being in that area.