SG postcode area: Stevenage
The SG postcode area is known as the Stevenage area. It is every postcode that begins SG followed by a number. It has 19 districts and 12,179 postcodes in use, across 9 councils.
Homes in the SG area sold for a typical £390,750 in the 12 months to August 2026. By district, that runs from £338,000 in SG15 (Arlesey) to £645,000 in SG10 (East Hertfordshire).
For the town itself, see Stevenage postcodes.
Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. The name is the one the area is commonly known by; it is not part of the ONS data. See all our data sources
Where it is
Latitude 51.9526
Longitude -0.1586
This is the middle of the postcodes in the SG area. An area can be many miles across, and we do not draw its boundary.
Open this area on OpenStreetMapSource: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. How we use it
What do homes cost in the SG area?
Homes in the SG area sold for a typical £390,750 in the 12 months to August 2026, across 4,760 sales, down 1.8% on the 12 months before, HM Land Registry's figures show.
- 12 months to August 2025
- £398,000
- 12 months to August 2026
- £390,750
▼ down 1.8% on the 12 months before
Standard sales of homes at market value at the area's postcodes. A typical price is the median, the middle sale. Each district below has its own, and each postcode page the figure for its sector.
Source: HM Land Registry Price Paid Data, files dated 28 September 2026. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. How we use it
How do the SG districts compare?
A district is the first half of a postcode. Each row gives its typical home price, how many of its postcodes can get gigabit broadband for every home, and how many have a home at flood risk. Each opens the district.
- SG1 postcode district: StevenageStevenage, North Hertfordshire 1,284 postcodes Typical price£350,000 Gigabit, every home898 of 1,185 At flood risk19 of 1,284
- SG2 postcode district: StevenageStevenage, East Hertfordshire, North Hertfordshire 852 postcodes Typical price£350,000 Gigabit, every home713 of 836 At flood risk35 of 852
- SG3 postcode district: KnebworthNorth Hertfordshire, Welwyn Hatfield, East Hertfordshire 206 postcodes Typical price£452,000 Gigabit, every home142 of 203 At flood riskNone listed
- SG4 postcode district: HitchinNorth Hertfordshire, Stevenage, Welwyn Hatfield 906 postcodes Typical price£475,000 Gigabit, every home536 of 894 At flood risk59 of 906
- SG5 postcode district: HitchinNorth Hertfordshire, Central Bedfordshire, Stevenage 952 postcodes Typical price£440,000 Gigabit, every home607 of 921 At flood risk55 of 952
- SG6 postcode district: LetchworthNorth Hertfordshire, Central Bedfordshire 978 postcodes Typical price£400,000 Gigabit, every home742 of 902 At flood risk11 of 978
- SG7 postcode district: BaldockNorth Hertfordshire, South Cambridgeshire, Central Bedfordshire 442 postcodes Typical price£365,000 Gigabit, every home314 of 439 At flood risk7 of 442
- SG8 postcode district: RoystonSouth Cambridgeshire, North Hertfordshire, Uttlesford, Central Bedfordshire 1,299 postcodes Typical price£400,000 Gigabit, every home753 of 1,267 At flood risk90 of 1,299
- SG9 postcode district: BuntingfordEast Hertfordshire, North Hertfordshire 515 postcodes Typical price£464,000 Gigabit, every home282 of 510 At flood risk42 of 515
- SG10 postcode district: No place listedEast Hertfordshire 108 postcodes Typical price£645,000 Gigabit, every home29 of 108 At flood risk8 of 108
- SG11 postcode district: Puckeridge and StandonEast Hertfordshire 379 postcodes Typical price£447,500 Gigabit, every home222 of 376 At flood risk73 of 379
- SG12 postcode district: WareEast Hertfordshire 939 postcodes Typical price£450,000 Gigabit, every home651 of 909 At flood risk192 of 939
- SG13 postcode district: HertfordEast Hertfordshire, Welwyn Hatfield, Broxbourne 532 postcodes Typical price£425,400 Gigabit, every home295 of 441 At flood risk64 of 532
- SG14 postcode district: HertfordEast Hertfordshire 625 postcodes Typical price£453,000 Gigabit, every home456 of 615 At flood risk121 of 625
- SG15 postcode district: ArleseyCentral Bedfordshire 120 postcodes Typical price£338,000 Gigabit, every home96 of 116 At flood risk11 of 120
- SG16 postcode district: Lower StondonCentral Bedfordshire, North Hertfordshire 196 postcodes Typical price£354,250 Gigabit, every home140 of 195 At flood risk22 of 196
- SG17 postcode district: SheffordCentral Bedfordshire 403 postcodes Typical price£395,000 Gigabit, every home270 of 336 At flood risk27 of 403
- SG18 postcode district: BiggleswadeCentral Bedfordshire 764 postcodes Typical price£355,000 Gigabit, every home551 of 749 At flood risk57 of 764
- SG19 postcode district: SandyCentral Bedfordshire, South Cambridgeshire, Huntingdonshire 679 postcodes Typical price£345,000 Gigabit, every home444 of 656 At flood risk66 of 679
Prices: HM Land Registry, files dated 28 September 2026; the bar is set against the dearest district. Gigabit: Ofcom, Connected Nations, Spring 2026, counting postcodes. Flood: Environment Agency, published 6 July 2026, postcodes in England with a home or business in an area at risk from rivers or the sea. How we use them
One row for every district in the area. "No place listed" means no town or village is large enough to list for it.
Places in the SG area
Towns and villages with postcodes in the SG area, each with the typical price of a home there where at least 5 sold.
Councils in the SG area
How many of the area's postcodes fall under each council.
- North Hertfordshire3,791 postcodes
- East Hertfordshire3,203 postcodes
- Central Bedfordshire2,312 postcodes
- Stevenage1,940 postcodes
- South Cambridgeshire775 postcodes
- Welwyn Hatfield65 postcodes
- Huntingdonshire55 postcodes
- Uttlesford30 postcodes
- Broxbourne8 postcodes
Near the SG area
The postcode areas whose centre points are nearest to this one's, nearest first.
Check a postcode
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