Listed by Keller Williams Lifestyles.

420 Castlegrove Boulevard is a Detached, Sidesplit 4 and is currently for Sale @ $629,900. Taxes in 2025 were $4,409.00.

More homes for sale under 600k in London North

Live upstairs and let the lower levels help pay your mortgage. The Sidesplit 4 on 420 Castlegrove Boulevard has 3 bedrooms, 2 bathrooms, and is located on a 97.13 x 48.78 ft lot in the community of North K . With four fully usable levels, this 4-level side split offers space and smart financial potential. The home is currently used as two units featuring 3+2 bedrooms, 2 full bathrooms, 2 full kitchens, and laundry in both units. A walk-up lower level adds excellent potential for extended family, adult children, or supplemental income. While the interior is not fully separated, it can be easily modified for greater privacy .Major updates include: HVAC, windows, shingles, soffit and eaves, and a 100 amp electrical panel. Outside, you'll find a fully fenced yard and parking for four vehicles. Located close to Western University, Costco, the London Aquatic Centre, and everyday amenities,. Whether you're looking to offset monthly expenses, create space for family, or build equity, this home offers flexibility that grows with you.Take one look and then start packing!

MAIN: fridge, stove, washer/dryer (stackable), dishwasher LOWER: fridge, stove, washer, dryer

The address 420 Castlegrove Boulevard was listed for sale (MLS# X12799634) on Wednesday, February 18, 2026.