If you’re in Fulflood or St Cross, a wraparound extension (side + rear) can transform circulation, light, and family life — and add meaningful value.
Typical costs (guide, incl. VAT; specification dependent)
- Shell & core (good quality): £2,200–£2,800/m²
- Fully fitted (kitchen, glazing, finishes): £2,800–£3,600+/m²
- Professional fees (architect, engineer, approvals): 10–15% of build
- Contingency: 10–12%
Expected timeline
- Design + surveys: 3–6 weeks
- Planning (if needed): ~8 weeks
- Building regs + tender: 4–6 weeks
- Build: 12–18 weeks (scope & weather dependent)
Smart layout ideas for Winchester plots
- L-shaped plan with island and walk-in pantry.
- Utility/boot room in the side-return.
- Three-zone glazing: sliders to garden, rooflights over island, picture window to side court.
Top 3 pitfalls (and how to avoid them)
- Drain runs & shared sewers
- Fix: Early CCTV survey and design around build-over agreements.
- Party Wall notices
- Fix: Issue notices early; allow time for awards with neighbours.
- Daylight loss to neighbours
- Fix: Use set-backs, clerestory glazing, and parapets to reduce bulk.
Planning tip: In Fulflood/St Cross, quality materials (matching brick, clay tile, conservation-grade glazing) and modest parapets read best with heritage streetscapes.