Market outlook for SW20
Key indicators for buyers
The SW20 market presents a mixed picture for buyers. Prices have softened (-10.5%), which could present a buying opportunity. Affordability has improved from a peak of 16.2x in 2016 to 14.2x today. Rising rents (£2,172/mo, +5.4%) mean the cost of waiting is real.
Price trends
Yearly averages · HM Land Registry Price Paid Data
Prices by property type
2026averages · HM Land Registry Price Paid Data
Affordability ratio
House price ÷ median earnings · ONS data
Affordability data shown for wider Merton area
A home in Merton costs 14.2x the local median salary — very stretched, improving from a peak of 16.2x in 2016.
Rental trends
Average monthly rent · ONS Private Rental Index
Rental data shown for wider Merton area
Average monthly rent in Merton is £2,172, up 5.4% year-on-year. Rents have risen consistently over the past five years.
Monthly mortgage
2yr fixed · 75% LTV · 25yr term · BoE avg. rate
Based on the average Merton price of £763,426 with a 25% deposit (£191k), a 2-year fixed mortgage at 4.92% costs around £3,321 per month.
Rent vs buy snapshot
Monthly cost comparison based on current data
Uses SW20 avg. price with Merton rental data
Monthly mortgage payments (£3,321) are £1,149 more than renting (£2,172). However, buying requires an upfront deposit of £191k — it would take around 19 years to recoup that cost compared to renting and investing the difference.
Recent sales
Latest transactions · HM Land Registry Price Paid Data
| Address | Type | Price | Date |
|---|---|---|---|
14A, HAYNT WALK SW20 9NX | Detached | £440,000 | 19 Aug 2026 |
9, ABOYNE DRIVE SW20 0AN | Flat/Maisonette | £422,000 | 18 Aug 2026 |
12, LOWER DOWNS ROAD SW20 8QF | Semi-detached | £897,000 | 14 Aug 2026 |
FLAT 3, 290, MARTIN WAY SW20 9BX | Flat/Maisonette | £440,000 | 14 Aug 2026 |
38, EDNA ROAD, RAYNES PARK SW20 8BT | Terraced | £860,000 | 13 Aug 2026 |
399, CANNON HILL LANE SW20 9HH | Terraced | £662,500 | 12 Aug 2026 |
21, ASTON ROAD SW20 8BG | Terraced |
Data sources (all free & public): HM Land Registry Price Paid Data & UK House Price Index · ONS Housing Affordability Ratios · ONS Private Rental Index · Bank of England Quoted Household Interest Rates · HMRC Monthly Property Transactions
Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0.