# SG1 4: postcode sector in Stevenage 294 live postcodes, all in Stevenage. A postcode has no figures of its own: each layer is published for whole councils, neighbourhoods or exact points. The figures below are for the whole of Stevenage. Open the map at SG1 4 for neighbourhoods and points. In: [Stevenage](https://openindex.co.uk/stevenage) › [SG1](https://openindex.co.uk/postcode/sg1) ## Key figures - **Average house price: £309,123** (August 2026). Stevenage’s average house price was £309,123 in August 2026 (HM Land Registry). Down 2.1% in a year. Source: UK House Price Index, August 2026. Published 21 October 2026. - **Median full-time pay: £42,200** (2025). Full-time workers living in Stevenage earned a median of £42,200 in 2025 (ONS earnings survey). 99th highest paid of 348. Source: Annual Survey of Hours and Earnings, 2025. Published 23 October 2025. - **House price to pay: 7.3×** (2025). A home in Stevenage costs 7.3 times local full-time pay. Joint 172nd least affordable of 348. Source: Worked out by Open Index from the UK House Price Index and the ONS earnings survey. Published 21 October 2026. - **Deprivation score: 18.9** (2025). Stevenage has a deprivation score of 18.9 in the English Indices of Deprivation 2025 (MHCLG). 146th least deprived of 296. Source: English Indices of Deprivation 2025, 2025. Published 30 October 2025. ## About - Type: Postcode sector - Live postcodes: 294 - Council: [Stevenage](https://openindex.co.uk/stevenage) - Centre: 51.9234, -0.1900 Council: [Stevenage](https://openindex.co.uk/stevenage) (District, 100%). ## Your MP - [Stevenage](https://openindex.co.uk/constituency/stevenage): Kevin Bonavia (Labour), MP since July 2024. As of 18 October 2026. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API. ## Postcodes in SG1 4 [SG1 4AA](https://openindex.co.uk/postcode/sg1-4aa), [SG1 4AB](https://openindex.co.uk/postcode/sg1-4ab), [SG1 4AD](https://openindex.co.uk/postcode/sg1-4ad), [SG1 4AE](https://openindex.co.uk/postcode/sg1-4ae), [SG1 4AF](https://openindex.co.uk/postcode/sg1-4af), [SG1 4AH](https://openindex.co.uk/postcode/sg1-4ah), [SG1 4AJ](https://openindex.co.uk/postcode/sg1-4aj), [SG1 4AL](https://openindex.co.uk/postcode/sg1-4al), [SG1 4AN](https://openindex.co.uk/postcode/sg1-4an), [SG1 4AP](https://openindex.co.uk/postcode/sg1-4ap), [SG1 4AQ](https://openindex.co.uk/postcode/sg1-4aq), [SG1 4AR](https://openindex.co.uk/postcode/sg1-4ar), [SG1 4AS](https://openindex.co.uk/postcode/sg1-4as), [SG1 4AT](https://openindex.co.uk/postcode/sg1-4at), [SG1 4AU](https://openindex.co.uk/postcode/sg1-4au), [SG1 4AW](https://openindex.co.uk/postcode/sg1-4aw), [SG1 4AX](https://openindex.co.uk/postcode/sg1-4ax), [SG1 4AY](https://openindex.co.uk/postcode/sg1-4ay), [SG1 4AZ](https://openindex.co.uk/postcode/sg1-4az), [SG1 4BA](https://openindex.co.uk/postcode/sg1-4ba), [SG1 4BB](https://openindex.co.uk/postcode/sg1-4bb), [SG1 4BD](https://openindex.co.uk/postcode/sg1-4bd), [SG1 4BE](https://openindex.co.uk/postcode/sg1-4be), [SG1 4BG](https://openindex.co.uk/postcode/sg1-4bg), [SG1 4BH](https://openindex.co.uk/postcode/sg1-4bh), [SG1 4BJ](https://openindex.co.uk/postcode/sg1-4bj), [SG1 4BL](https://openindex.co.uk/postcode/sg1-4bl), [SG1 4BP](https://openindex.co.uk/postcode/sg1-4bp), [SG1 4BQ](https://openindex.co.uk/postcode/sg1-4bq), [SG1 4BS](https://openindex.co.uk/postcode/sg1-4bs), [SG1 4BT](https://openindex.co.uk/postcode/sg1-4bt), [SG1 4BU](https://openindex.co.uk/postcode/sg1-4bu), [SG1 4BW](https://openindex.co.uk/postcode/sg1-4bw), [SG1 4BX](https://openindex.co.uk/postcode/sg1-4bx), [SG1 4BY](https://openindex.co.uk/postcode/sg1-4by), [SG1 4BZ](https://openindex.co.uk/postcode/sg1-4bz), [SG1 4DA](https://openindex.co.uk/postcode/sg1-4da), [SG1 4DB](https://openindex.co.uk/postcode/sg1-4db), [SG1 4DD](https://openindex.co.uk/postcode/sg1-4dd), [SG1 4DE](https://openindex.co.uk/postcode/sg1-4de), [SG1 4DG](https://openindex.co.uk/postcode/sg1-4dg), [SG1 4DH](https://openindex.co.uk/postcode/sg1-4dh), [SG1 4DJ](https://openindex.co.uk/postcode/sg1-4dj), [SG1 4DL](https://openindex.co.uk/postcode/sg1-4dl), [SG1 4DN](https://openindex.co.uk/postcode/sg1-4dn), [SG1 4DP](https://openindex.co.uk/postcode/sg1-4dp), [SG1 4DQ](https://openindex.co.uk/postcode/sg1-4dq), [SG1 4DR](https://openindex.co.uk/postcode/sg1-4dr), [SG1 4DS](https://openindex.co.uk/postcode/sg1-4ds), [SG1 4DT](https://openindex.co.uk/postcode/sg1-4dt), [SG1 4DU](https://openindex.co.uk/postcode/sg1-4du), [SG1 4DW](https://openindex.co.uk/postcode/sg1-4dw), [SG1 4DX](https://openindex.co.uk/postcode/sg1-4dx), [SG1 4DY](https://openindex.co.uk/postcode/sg1-4dy), [SG1 4DZ](https://openindex.co.uk/postcode/sg1-4dz), [SG1 4EA](https://openindex.co.uk/postcode/sg1-4ea), [SG1 4EB](https://openindex.co.uk/postcode/sg1-4eb), [SG1 4ED](https://openindex.co.uk/postcode/sg1-4ed), [SG1 4EE](https://openindex.co.uk/postcode/sg1-4ee), [SG1 4EF](https://openindex.co.uk/postcode/sg1-4ef), [SG1 4EG](https://openindex.co.uk/postcode/sg1-4eg), [SG1 4EH](https://openindex.co.uk/postcode/sg1-4eh), [SG1 4EJ](https://openindex.co.uk/postcode/sg1-4ej), [SG1 4EL](https://openindex.co.uk/postcode/sg1-4el), [SG1 4EN](https://openindex.co.uk/postcode/sg1-4en), [SG1 4EP](https://openindex.co.uk/postcode/sg1-4ep), [SG1 4EQ](https://openindex.co.uk/postcode/sg1-4eq), [SG1 4ER](https://openindex.co.uk/postcode/sg1-4er), [SG1 4ES](https://openindex.co.uk/postcode/sg1-4es), [SG1 4ET](https://openindex.co.uk/postcode/sg1-4et), [SG1 4EU](https://openindex.co.uk/postcode/sg1-4eu), [SG1 4EW](https://openindex.co.uk/postcode/sg1-4ew), [SG1 4EX](https://openindex.co.uk/postcode/sg1-4ex), [SG1 4EY](https://openindex.co.uk/postcode/sg1-4ey), [SG1 4EZ](https://openindex.co.uk/postcode/sg1-4ez), [SG1 4FD](https://openindex.co.uk/postcode/sg1-4fd), [SG1 4FE](https://openindex.co.uk/postcode/sg1-4fe), [SG1 4FF](https://openindex.co.uk/postcode/sg1-4ff), [SG1 4FG](https://openindex.co.uk/postcode/sg1-4fg), [SG1 4FH](https://openindex.co.uk/postcode/sg1-4fh), [SG1 4FJ](https://openindex.co.uk/postcode/sg1-4fj), [SG1 4FL](https://openindex.co.uk/postcode/sg1-4fl), [SG1 4FN](https://openindex.co.uk/postcode/sg1-4fn), [SG1 4FP](https://openindex.co.uk/postcode/sg1-4fp), [SG1 4FQ](https://openindex.co.uk/postcode/sg1-4fq), [SG1 4FR](https://openindex.co.uk/postcode/sg1-4fr), [SG1 4FS](https://openindex.co.uk/postcode/sg1-4fs), [SG1 4FT](https://openindex.co.uk/postcode/sg1-4ft), [SG1 4FU](https://openindex.co.uk/postcode/sg1-4fu), [SG1 4FW](https://openindex.co.uk/postcode/sg1-4fw), [SG1 4FX](https://openindex.co.uk/postcode/sg1-4fx), [SG1 4FY](https://openindex.co.uk/postcode/sg1-4fy), [SG1 4FZ](https://openindex.co.uk/postcode/sg1-4fz), [SG1 4GA](https://openindex.co.uk/postcode/sg1-4ga), [SG1 4GB](https://openindex.co.uk/postcode/sg1-4gb), [SG1 4GD](https://openindex.co.uk/postcode/sg1-4gd), [SG1 4GE](https://openindex.co.uk/postcode/sg1-4ge), [SG1 4GF](https://openindex.co.uk/postcode/sg1-4gf), [SG1 4GG](https://openindex.co.uk/postcode/sg1-4gg), [SG1 4GH](https://openindex.co.uk/postcode/sg1-4gh), [SG1 4GJ](https://openindex.co.uk/postcode/sg1-4gj), [SG1 4GL](https://openindex.co.uk/postcode/sg1-4gl), [SG1 4GN](https://openindex.co.uk/postcode/sg1-4gn), [SG1 4GP](https://openindex.co.uk/postcode/sg1-4gp), [SG1 4GQ](https://openindex.co.uk/postcode/sg1-4gq), [SG1 4GR](https://openindex.co.uk/postcode/sg1-4gr), [SG1 4GS](https://openindex.co.uk/postcode/sg1-4gs), [SG1 4GT](https://openindex.co.uk/postcode/sg1-4gt), [SG1 4GU](https://openindex.co.uk/postcode/sg1-4gu), [SG1 4GW](https://openindex.co.uk/postcode/sg1-4gw), [SG1 4GX](https://openindex.co.uk/postcode/sg1-4gx), [SG1 4GY](https://openindex.co.uk/postcode/sg1-4gy), [SG1 4GZ](https://openindex.co.uk/postcode/sg1-4gz), [SG1 4HA](https://openindex.co.uk/postcode/sg1-4ha), [SG1 4HB](https://openindex.co.uk/postcode/sg1-4hb), [SG1 4HD](https://openindex.co.uk/postcode/sg1-4hd), [SG1 4HE](https://openindex.co.uk/postcode/sg1-4he), [SG1 4HF](https://openindex.co.uk/postcode/sg1-4hf), [SG1 4HG](https://openindex.co.uk/postcode/sg1-4hg), [SG1 4HH](https://openindex.co.uk/postcode/sg1-4hh), [SG1 4HJ](https://openindex.co.uk/postcode/sg1-4hj), [SG1 4HL](https://openindex.co.uk/postcode/sg1-4hl), [SG1 4HN](https://openindex.co.uk/postcode/sg1-4hn), [SG1 4HP](https://openindex.co.uk/postcode/sg1-4hp), [SG1 4HQ](https://openindex.co.uk/postcode/sg1-4hq), [SG1 4HS](https://openindex.co.uk/postcode/sg1-4hs), [SG1 4HT](https://openindex.co.uk/postcode/sg1-4ht), [SG1 4HU](https://openindex.co.uk/postcode/sg1-4hu), [SG1 4HW](https://openindex.co.uk/postcode/sg1-4hw), [SG1 4HX](https://openindex.co.uk/postcode/sg1-4hx), [SG1 4HY](https://openindex.co.uk/postcode/sg1-4hy), [SG1 4HZ](https://openindex.co.uk/postcode/sg1-4hz), [SG1 4JA](https://openindex.co.uk/postcode/sg1-4ja), [SG1 4JB](https://openindex.co.uk/postcode/sg1-4jb), [SG1 4JD](https://openindex.co.uk/postcode/sg1-4jd), [SG1 4JE](https://openindex.co.uk/postcode/sg1-4je), [SG1 4JF](https://openindex.co.uk/postcode/sg1-4jf), [SG1 4JG](https://openindex.co.uk/postcode/sg1-4jg), [SG1 4JH](https://openindex.co.uk/postcode/sg1-4jh), [SG1 4JJ](https://openindex.co.uk/postcode/sg1-4jj), [SG1 4JL](https://openindex.co.uk/postcode/sg1-4jl), [SG1 4JN](https://openindex.co.uk/postcode/sg1-4jn), [SG1 4JP](https://openindex.co.uk/postcode/sg1-4jp), [SG1 4JQ](https://openindex.co.uk/postcode/sg1-4jq), [SG1 4JR](https://openindex.co.uk/postcode/sg1-4jr), [SG1 4JU](https://openindex.co.uk/postcode/sg1-4ju), [SG1 4JW](https://openindex.co.uk/postcode/sg1-4jw), [SG1 4JX](https://openindex.co.uk/postcode/sg1-4jx), [SG1 4JY](https://openindex.co.uk/postcode/sg1-4jy), [SG1 4JZ](https://openindex.co.uk/postcode/sg1-4jz), [SG1 4LA](https://openindex.co.uk/postcode/sg1-4la), [SG1 4LB](https://openindex.co.uk/postcode/sg1-4lb), [SG1 4LD](https://openindex.co.uk/postcode/sg1-4ld), [SG1 4LE](https://openindex.co.uk/postcode/sg1-4le), [SG1 4LF](https://openindex.co.uk/postcode/sg1-4lf), [SG1 4LG](https://openindex.co.uk/postcode/sg1-4lg), [SG1 4LH](https://openindex.co.uk/postcode/sg1-4lh), [SG1 4LJ](https://openindex.co.uk/postcode/sg1-4lj), [SG1 4LL](https://openindex.co.uk/postcode/sg1-4ll), [SG1 4LN](https://openindex.co.uk/postcode/sg1-4ln), [SG1 4LP](https://openindex.co.uk/postcode/sg1-4lp), [SG1 4LQ](https://openindex.co.uk/postcode/sg1-4lq), [SG1 4LR](https://openindex.co.uk/postcode/sg1-4lr), [SG1 4LS](https://openindex.co.uk/postcode/sg1-4ls), [SG1 4LT](https://openindex.co.uk/postcode/sg1-4lt), [SG1 4LU](https://openindex.co.uk/postcode/sg1-4lu), [SG1 4LW](https://openindex.co.uk/postcode/sg1-4lw), [SG1 4LX](https://openindex.co.uk/postcode/sg1-4lx), [SG1 4LY](https://openindex.co.uk/postcode/sg1-4ly), [SG1 4LZ](https://openindex.co.uk/postcode/sg1-4lz), [SG1 4NA](https://openindex.co.uk/postcode/sg1-4na), [SG1 4NB](https://openindex.co.uk/postcode/sg1-4nb), [SG1 4ND](https://openindex.co.uk/postcode/sg1-4nd), [SG1 4NE](https://openindex.co.uk/postcode/sg1-4ne), [SG1 4NF](https://openindex.co.uk/postcode/sg1-4nf), [SG1 4NG](https://openindex.co.uk/postcode/sg1-4ng), [SG1 4NH](https://openindex.co.uk/postcode/sg1-4nh), [SG1 4NJ](https://openindex.co.uk/postcode/sg1-4nj), [SG1 4NL](https://openindex.co.uk/postcode/sg1-4nl), [SG1 4NN](https://openindex.co.uk/postcode/sg1-4nn), [SG1 4NP](https://openindex.co.uk/postcode/sg1-4np), [SG1 4NQ](https://openindex.co.uk/postcode/sg1-4nq), [SG1 4NR](https://openindex.co.uk/postcode/sg1-4nr), [SG1 4NS](https://openindex.co.uk/postcode/sg1-4ns), [SG1 4NT](https://openindex.co.uk/postcode/sg1-4nt), [SG1 4NU](https://openindex.co.uk/postcode/sg1-4nu), [SG1 4NW](https://openindex.co.uk/postcode/sg1-4nw), [SG1 4NX](https://openindex.co.uk/postcode/sg1-4nx), [SG1 4NY](https://openindex.co.uk/postcode/sg1-4ny), [SG1 4NZ](https://openindex.co.uk/postcode/sg1-4nz), [SG1 4PA](https://openindex.co.uk/postcode/sg1-4pa), [SG1 4PB](https://openindex.co.uk/postcode/sg1-4pb), [SG1 4PD](https://openindex.co.uk/postcode/sg1-4pd), [SG1 4PE](https://openindex.co.uk/postcode/sg1-4pe), [SG1 4PF](https://openindex.co.uk/postcode/sg1-4pf), [SG1 4PG](https://openindex.co.uk/postcode/sg1-4pg), [SG1 4PH](https://openindex.co.uk/postcode/sg1-4ph), [SG1 4PJ](https://openindex.co.uk/postcode/sg1-4pj), [SG1 4PL](https://openindex.co.uk/postcode/sg1-4pl), [SG1 4PN](https://openindex.co.uk/postcode/sg1-4pn), [SG1 4PP](https://openindex.co.uk/postcode/sg1-4pp), [SG1 4PQ](https://openindex.co.uk/postcode/sg1-4pq), [SG1 4PR](https://openindex.co.uk/postcode/sg1-4pr), [SG1 4PT](https://openindex.co.uk/postcode/sg1-4pt), [SG1 4PW](https://openindex.co.uk/postcode/sg1-4pw), [SG1 4QA](https://openindex.co.uk/postcode/sg1-4qa), [SG1 4QB](https://openindex.co.uk/postcode/sg1-4qb), [SG1 4QE](https://openindex.co.uk/postcode/sg1-4qe), [SG1 4QF](https://openindex.co.uk/postcode/sg1-4qf), [SG1 4QG](https://openindex.co.uk/postcode/sg1-4qg), [SG1 4QH](https://openindex.co.uk/postcode/sg1-4qh), [SG1 4QJ](https://openindex.co.uk/postcode/sg1-4qj), [SG1 4QL](https://openindex.co.uk/postcode/sg1-4ql), [SG1 4QR](https://openindex.co.uk/postcode/sg1-4qr), [SG1 4QS](https://openindex.co.uk/postcode/sg1-4qs), [SG1 4QT](https://openindex.co.uk/postcode/sg1-4qt), [SG1 4QX](https://openindex.co.uk/postcode/sg1-4qx), [SG1 4QZ](https://openindex.co.uk/postcode/sg1-4qz), [SG1 4RA](https://openindex.co.uk/postcode/sg1-4ra), [SG1 4RB](https://openindex.co.uk/postcode/sg1-4rb), [SG1 4RD](https://openindex.co.uk/postcode/sg1-4rd), [SG1 4RE](https://openindex.co.uk/postcode/sg1-4re), [SG1 4RF](https://openindex.co.uk/postcode/sg1-4rf), [SG1 4RG](https://openindex.co.uk/postcode/sg1-4rg), [SG1 4RH](https://openindex.co.uk/postcode/sg1-4rh), [SG1 4RJ](https://openindex.co.uk/postcode/sg1-4rj), [SG1 4RL](https://openindex.co.uk/postcode/sg1-4rl), [SG1 4RN](https://openindex.co.uk/postcode/sg1-4rn), [SG1 4RP](https://openindex.co.uk/postcode/sg1-4rp), [SG1 4RQ](https://openindex.co.uk/postcode/sg1-4rq), [SG1 4RR](https://openindex.co.uk/postcode/sg1-4rr), [SG1 4RS](https://openindex.co.uk/postcode/sg1-4rs), [SG1 4RT](https://openindex.co.uk/postcode/sg1-4rt), [SG1 4RU](https://openindex.co.uk/postcode/sg1-4ru), [SG1 4RW](https://openindex.co.uk/postcode/sg1-4rw), [SG1 4RX](https://openindex.co.uk/postcode/sg1-4rx), [SG1 4RY](https://openindex.co.uk/postcode/sg1-4ry), [SG1 4SA](https://openindex.co.uk/postcode/sg1-4sa), [SG1 4SB](https://openindex.co.uk/postcode/sg1-4sb), [SG1 4SD](https://openindex.co.uk/postcode/sg1-4sd), [SG1 4SF](https://openindex.co.uk/postcode/sg1-4sf), [SG1 4SP](https://openindex.co.uk/postcode/sg1-4sp), [SG1 4SU](https://openindex.co.uk/postcode/sg1-4su), [SG1 4SW](https://openindex.co.uk/postcode/sg1-4sw), [SG1 4SX](https://openindex.co.uk/postcode/sg1-4sx), [SG1 4SZ](https://openindex.co.uk/postcode/sg1-4sz), [SG1 4TA](https://openindex.co.uk/postcode/sg1-4ta), [SG1 4TB](https://openindex.co.uk/postcode/sg1-4tb), [SG1 4TD](https://openindex.co.uk/postcode/sg1-4td), [SG1 4TE](https://openindex.co.uk/postcode/sg1-4te), [SG1 4TF](https://openindex.co.uk/postcode/sg1-4tf), [SG1 4TG](https://openindex.co.uk/postcode/sg1-4tg), [SG1 4TJ](https://openindex.co.uk/postcode/sg1-4tj), [SG1 4TL](https://openindex.co.uk/postcode/sg1-4tl), [SG1 4TN](https://openindex.co.uk/postcode/sg1-4tn), [SG1 4TQ](https://openindex.co.uk/postcode/sg1-4tq), [SG1 4TT](https://openindex.co.uk/postcode/sg1-4tt), [SG1 4TU](https://openindex.co.uk/postcode/sg1-4tu), [SG1 4TZ](https://openindex.co.uk/postcode/sg1-4tz), [SG1 4UA](https://openindex.co.uk/postcode/sg1-4ua), [SG1 4UE](https://openindex.co.uk/postcode/sg1-4ue), [SG1 4UF](https://openindex.co.uk/postcode/sg1-4uf), [SG1 4UG](https://openindex.co.uk/postcode/sg1-4ug), [SG1 4UJ](https://openindex.co.uk/postcode/sg1-4uj), [SG1 4UN](https://openindex.co.uk/postcode/sg1-4un), [SG1 4UQ](https://openindex.co.uk/postcode/sg1-4uq), [SG1 4US](https://openindex.co.uk/postcode/sg1-4us), [SG1 4UW](https://openindex.co.uk/postcode/sg1-4uw), [SG1 4UY](https://openindex.co.uk/postcode/sg1-4uy), [SG1 4UZ](https://openindex.co.uk/postcode/sg1-4uz), [SG1 4WL](https://openindex.co.uk/postcode/sg1-4wl), [SG1 4WP](https://openindex.co.uk/postcode/sg1-4wp), [SG1 4WU](https://openindex.co.uk/postcode/sg1-4wu), [SG1 4WY](https://openindex.co.uk/postcode/sg1-4wy), [SG1 4XB](https://openindex.co.uk/postcode/sg1-4xb), [SG1 4XD](https://openindex.co.uk/postcode/sg1-4xd), [SG1 4XE](https://openindex.co.uk/postcode/sg1-4xe), [SG1 4XF](https://openindex.co.uk/postcode/sg1-4xf), [SG1 4XP](https://openindex.co.uk/postcode/sg1-4xp), [SG1 4XR](https://openindex.co.uk/postcode/sg1-4xr), [SG1 4XS](https://openindex.co.uk/postcode/sg1-4xs), [SG1 4XX](https://openindex.co.uk/postcode/sg1-4xx), [SG1 4YF](https://openindex.co.uk/postcode/sg1-4yf), [SG1 4YJ](https://openindex.co.uk/postcode/sg1-4yj), [SG1 4YL](https://openindex.co.uk/postcode/sg1-4yl), [SG1 4YP](https://openindex.co.uk/postcode/sg1-4yp), [SG1 4YR](https://openindex.co.uk/postcode/sg1-4yr), [SG1 4YS](https://openindex.co.uk/postcode/sg1-4ys), [SG1 4YT](https://openindex.co.uk/postcode/sg1-4yt), [SG1 4YU](https://openindex.co.uk/postcode/sg1-4yu), [SG1 4YW](https://openindex.co.uk/postcode/sg1-4yw), [SG1 4YX](https://openindex.co.uk/postcode/sg1-4yx), [SG1 4ZA](https://openindex.co.uk/postcode/sg1-4za), [SG1 4ZE](https://openindex.co.uk/postcode/sg1-4ze) ## How to cite Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/postcode/sg1-4. Open Index's own text and the figures it works out are licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source data keeps its publishers' licences, named with each figure. Give each figure's period and source with it. Snapshot 2026.10.10. The HTML page: https://openindex.co.uk/postcode/sg1-4