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We're exhibiting at the Southern Homebuilding & Renovating Show Homebuilding Show — Sandown Park, 27–28 June · Stand S538
🎟 Get 2 Free Tickets HereComplete householder planning application drawings for Southampton City Council — existing and proposed plans, elevations, site plan and design-and-access statement.
Full structural and building regulations drawings for Southampton building control. Covers foundations, beams, insulation, drainage and fire safety.
Specification writing, contractor vetting and contract administration — keeping your Southampton extension on time and within budget.
Southampton's large Victorian and Edwardian housing stock makes it one of the most active markets for rear kitchen extensions and first-floor additions in Hampshire. Southampton City Council's planning officers understand the challenges of extending period terraced properties — but applications still need to be well-prepared, with clear drawings and a credible design rationale.
We have an established track record with Southampton City Council and neighbouring Eastleigh Borough, and our fixed-fee approach means Southampton homeowners know exactly what they're paying for design services before any work begins.
Many Southampton extensions qualify under Permitted Development Rights — single-storey rear extensions up to 4m deep (detached) or 3m deep (semi-detached/terraced) without planning permission. However, parts of Southampton have Article 4 Directions which remove certain PD rights and require a formal planning application. Southampton also has conservation areas in the Old Town, Highfield, Portswood and other neighbourhoods. We check your specific property's PD status during every complimentary consultation.
Our fixed design fees are: Pre-Build Package from £1,950 + VAT (planning drawings), and Premium Plus from £4,950 + VAT (full service). Build costs in Southampton — paid to your contractor — typically run £1,750–£2,600 per m² depending on specification. Southampton's Victorian terraced stock often requires structural work to remove internal walls, which can affect total build cost. Use our Extension Cost Calculator for a personalised estimate.
Southampton has a high proportion of Victorian and Edwardian terraced and semi-detached properties, particularly in Shirley, Bitterne, Bassett and Portswood. Single-storey rear kitchen extensions are extremely popular — opening up narrow Victorian rear rooms into open-plan kitchen-diners. Side-return extensions and first-floor extensions over existing ground-floor additions are also common where plot widths allow.
Southampton City Council targets an 8-week determination period for householder applications. In our experience, straightforward applications are often decided within this window; conservation area applications or those requiring neighbour objection handling may take longer. We prepare thorough applications to minimise the risk of delays caused by information requests.
We cover the full Southampton City area including SO14, SO15, SO16, SO17, SO18, SO19 and SO30, plus Eastleigh (SO50, SO53), Hedge End, West End, Chandler's Ford, Bishopstoke and surrounding areas. Contact us if you're unsure whether your property falls within our service area.
Book a complimentary consultation. We'll visit your Southampton property, assess feasibility and advise on planning — at no charge.