17 Keswick Avenue, Kingston Upon Thames, London, SW15 3QH

17 Keswick Avenue is a four-bedroom mid-terrace house in Kingston Upon Thames, London, London (SW15 3QH). It has a recorded floor area of 125 m² (around 1345 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (May 2023) returns a high B (score 91), putting the home a stone's throw from an A rating. When first surveyed in November 2015 the rating was D, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Average and lighting went from Poor to Very Good.

Sale prices here have outpaced London HPI: 6.6% per year against -0.1% for the wider region. Today's modelled estimate of £741,000 is 12.3% below the 2025 sale of £845,000, below the original sale price, which typically signals condition or completion-status changes worth verifying. On a £-per-square-foot basis, the last sale (£628/sq ft) was about 60.6% above the typical sold price in the postcode. At 125 m² the property is well over the postcode median (90 m² across 24 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. Most recent transfer was September 2025 at £845,000 — fresh data. 4 planning records sit against the property, 2 approved, 2 refused. Past consents include a loft conversion, meaningful when judging how the property has evolved.