SG6 house prices and areas
SG6 covers Letchworth Garden City in London (Hertfordshire). 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.
148 sales
126 sales
213 sales
128 sales
Sales by year
| Year | Sales | Median |
|---|---|---|
| 2025 | 399 | £392,000 |
| 2026 (so far) | 216 | £389,000 |
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
0.2% of SG6 sales were new builds and 39.8% were leasehold. Most sales here were freehold, which usually means houses.
Areas in SG6
Nearby postcodes
Questions about SG6
What is the average house price in SG6?
The median sale price in SG6 was £390,000 across 615 recorded sales from January 2025 to September 2026 (HM Land Registry). Half of sales were between £295,000 and £575,000.
Which areas are in the SG6 postcode?
Boroughly's area guides in SG6 cover Letchworth Garden City. Postcode districts don't follow neighbourhood names exactly, so a street can sit in SG6 but feel part of a neighbouring area.
What type of property sells most in SG6?
Terraced homes were the most common sale (213 of 615). Flats had the lowest median, at £202,500. 39.8% of sales were leasehold and 0.2% were new builds.