House Price Monitor

SG12 · East Hertfordshire · Collett Road

The Octagon

Flats on Collett Road, SG12. Sold prices since January 2023.

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typical sale

8 flats sold in The Octagon since January 2023: 1 in 2023, 4 in 2025, 3 in 2026.

per m², typical · £430 per sq ft
m²typical flat size
Aug 2026last sale, £190,000

Price per m² against SG12

Flats in The Octagon sell for about 3% more per square metre than the typical SG12 flat.

The Octagon
£4,630
All SG12 flats
£4,490

Buying a flat here? See how long is left on the leases in The Octagon, free on Lease Length Check.

Price per m² by year

Typical price per square metre of the flats sold each year.

20231 sale
£5,120
20254 sales
£4,580
20263 sales so far
£4,520

Prices by flat size

SizeSoldTypical price
Under 50 m²typically 41 m²3£190,000
50 to 69 m²typically 54 m²4£254,000
70 to 99 m²typically 81 m²1£390,000

Every sale in The Octagon

8 sales since January 2023, most recent first. Open a flat for its full sale history.

FlatDatePrice
Flat 2142 m² · 2nd floor24 Aug 2026£190,000£4,520 per m²
Flat 2357 m² · Ground floor18 Aug 2026£270,000£4,740 per m²
Flat 850 m² · 1st floor20 Apr 2026£192,000£3,840 per m²
Flat 541 m² · 2nd floor31 Mar 2025£160,000£3,900 per m²
Flat 455 m² · 1st floor28 Mar 2025£239,000£4,350 per m²
Flat 981 m² · 1st floor21 Mar 2025£390,000£4,810 per m²
Flat 2754 m² · 2nd floor6 Feb 2025£275,000£5,090 per m²
Flat 1341 m² · 1st floor6 Nov 2023£210,000£5,120 per m²

The SG12 report each month.
Everything here is free to see. The monthly SG12 report needs a free account: every sale with street, date and price, emailed as soon as it is published. No password, no card.

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Buildings near The Octagon

Where prices rose and fellA free email each month, after the monthly update.