KT21 house prices and areas
KT21 covers Ashtead in London (Surrey). Here is what homes actually sold for: every standard sale HM Land Registry recorded from January 2025 to September 2026.
Prices by property type
Medians are shown where there were at least 10 sales of that type.
116 sales
77 sales
25 sales
45 sales
Sales by year
| Year | Sales | Median |
|---|---|---|
| 2025 | 163 | £730,000 |
| 2026 (so far) | 100 | £730,000 |
A part-year and a small mix shift (say, more flats sold this year) can move a median without any change in what homes are worth, so treat year-to-year differences with care.
New builds and leasehold
0.4% of KT21 sales were new builds and 17.1% were leasehold. Most sales here were freehold, which usually means houses.
Areas in KT21
Nearby postcodes
Questions about KT21
What is the average house price in KT21?
The median sale price in KT21 was £730,000 across 263 recorded sales from January 2025 to September 2026 (HM Land Registry). Half of sales were between £555,000 and £890,000.
Which areas are in the KT21 postcode?
Boroughly's area guides in KT21 cover Ashtead. Postcode districts don't follow neighbourhood names exactly, so a street can sit in KT21 but feel part of a neighbouring area.
What type of property sells most in KT21?
Detached homes were the most common sale (116 of 263). Flats had the lowest median, at £347,500. 17.1% of sales were leasehold and 0.4% were new builds.