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gina_rico51

1920s terrace rear size- depth, layout and budget reality check

last month
last modified: last month

Hello! We’ve just bought our first home, a 1920s/30s terrace with a long SW facing garden, and would really appreciate some advice on improving the ground floor. The kitchen is dated and tight, and we’d also like to add a ground‑floor WC/shower as the 3 kids are getting bigger. Photos in the comments.

We’re leaning towards a 4.5 m full‑width rear extension (max that the neighbours have been allowed). Our core budget is £45–50k; in theory we could stretch by another £20k, but we’d strongly prefer not to borrow or wipe out all savings, so we’re trying to be very disciplined about scope and specification.

We’d love views on:

  • Where costs most commonly push a 4.5 m extension into £60k+ territory in London, even with modest finishes
  • What specifications or design choices genuinely give the best return for budget
  • And if the 4.5 m extension is possible, how to avoid it feeling like a big circulation space rather than a usable room any layout advice on making the space work hard day to day would be great.

Thanks very much all thoughts and experiences 🙂

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