SG3 Knebworth, Woolmer Green, Datchworth, North Hertfordshire

Postcode district SG3: 142 named streets and 206 live postcodes, in North Hertfordshire, Welwyn Hatfield and East Hertfordshire. The median standard sale over the last twelve months was £460,000, from 99 sales to 28 August 2026 (HM Land Registry).

Streets

A1(M), Blyth
A1(M), Blyth
A1(M), Stevenage
Abbots Close, Datchworth
Badger Close, Knebworth
Baines Lane, North Hertfordshire
Beechcroft, Datchworth
Bell Close, Knebworth
Bellamy Close, Knebworth
Birch Road, Woolmer Green
Bragbury Lane, East Hertfordshire
Bragbury Lane, East Hertfordshire
Bramfield Road, Bull's Green
Bramfield Road, East Hertfordshire
Bramfield Road, Bull's Green
Bridge Road, Woolmer Green
Bridge Road, Woolmer Green
Broadfield Road, Woolmer Green
Brookbridge Lane, Datchworth
Broom Grove, Knebworth
Burnham Green Road, Bull's Green
Bury Lane, Datchworth
Bury Lane, Datchworth
Bury Lane, North Hertfordshire
Carvers Croft, Woolmer Green
Cherry Close, Knebworth
Coltsfoot Lane, East Hertfordshire
Constance Place, Knebworth
Crab Tree Road, Knebworth
Creamery Close, Woolmer Green
Dancote, Knebworth
Datchworth Green, Datchworth
Deanscroft, Knebworth
Deard's End Lane, Knebworth
Deards End Lane, Knebworth
Deards Wood, Knebworth
Deeping Close, Knebworth
Devey Close, Knebworth
Dog Kennel Lane, Royston
Driver's End Lane, Nup End Green
Dunnock Close, Stevenage
Evergreen Close, Woolmer Green
Foldingshott, Datchworth
Garden Close, Woolmer Green
Garden Road, Woolmer Green
Gate House Close, Woolmer Green
Gibbons Way, Knebworth
Gipsy Lane, North Hertfordshire
Great Lawne, Datchworth
Great North Road, Oaklands
Gun Lane, Knebworth
Gun Meadow Avenue, Knebworth
Gun Road, Knebworth
Gun Road Gardens, Knebworth
Hall Lane, Woolmer Green
Hawkins Hall Lane, Datchworth
Hay Wains, Woolmer Green
Haygarth, Knebworth
Heath Road, Welwyn Hatfield
Hitchin Lane, North Hertfordshire
Holly Road, Woolmer Green
Hollybush Lane, Datchworth
Holt Cottages, Ansells End
Hornbeam Spring, Knebworth
Keiths Wood, Knebworth
Kerr Close, Knebworth
Kimptons Court, Woolmer Green
Kitching Lane, North Hertfordshire
Knebworth Park, Stevenage
London Road, Welwyn Hatfield
London Road, Welwyn Hatfield
Longmead, Woolmer Green
Longmead, Woolmer Green
Lytton Fields, Knebworth
Manor Farm Stables, Old Knebworth
Mardleybury Court, Woolmer Green
Mardleybury Road, Woolmer Green
Mardleybury Road, Welwyn Hatfield
Mayshades Close, Woolmer Green
Meadow Close, Datchworth
Meadway, Knebworth
Milestone Road, Knebworth
Milk Churn Way, Woolmer Green
Muirhead Way, Knebworth
Nash Close, Datchworth
New Close, Knebworth
New Court, Woolmer Green
New Road, Datchworth
New Road, Datchworth
New Road, Woolmer Green
Norton Green, Old Knebworth
Nup End, Nup End Green
Nutcroft, Datchworth
Oak Road, Woolmer Green
Oak Tree Gardens, Knebworth
Oakfields Avenue, Knebworth
Oakfields Road, Knebworth
Old Knebworth Lane, North Hertfordshire
Old Lane, North Hertfordshire
Orchard Way, Knebworth
Park Lane, Knebworth
Park Lane, Nup End Green
Pennyfather Close, Datchworth
Peters Way, Knebworth
Pondcroft Road, Knebworth
Rabley Heath Road, North Hertfordshire
Raffin Close, Datchworth
Raffin Green Lane, East Hertfordshire
Raffin Green Lane, Datchworth
Raffin Park, Datchworth
Rectory Lane, Datchworth
Robbery Bottom Lane, Oaklands
Sayer Way, Knebworth
Slip Lane, North Hertfordshire
St Martin's Road, Knebworth
Station Approach, Knebworth
Station Road, Knebworth
Stevenage Road, North Hertfordshire
Stobarts Close, Knebworth
Stockens Dell, Knebworth
Stockens Green, Knebworth
Stonecroft, Knebworth
Strawplaiters Close, Woolmer Green
Swangley's Lane, North Hertfordshire
Swangleys Lane, Bull's Green
The Green, Old Knebworth
Twin Foxes, Woolmer Green
Wadnall Way, Knebworth
Walsworth Road, Hitchin
Watton Road, East Hertfordshire
Watton Road, North Hertfordshire
Westland Road, Knebworth
Wheatcotes, Datchworth
White Cross Drive, Woolmer Green
White Horse Lane, Welwyn Hatfield
White Horse Lane, Welwyn Hatfield
Wickfield, Woolmer Green
Wolves Croft, Woolmer Green
Wolves Mere, Woolmer Green
Woodstock, Knebworth
Woolston Avenue, Letchworth
Wych Elm Lane, Welwyn Hatfield

Postcodes

Source: ONS Postcode Directory (live postcodes only) and OS Open Linked Identifiers for the streets.