Extension Builder Cost in Hove

Extension building is a significant investment in your Hove property, with costs shaped by design complexity, materials, site access, and current labour availability in the South East. Prices in Hove typically run 25–35% above the national average due to the region's premium market positioning and high building standards. BizHub365 connects you with trusted local extension builders who understand Hove's planning requirements and architectural character, helping you get accurate quotes and competitive rates.

Extension Builder Prices in Hove

Service	Typical Cost	Unit
Single-storey rear extension (20 m²)	£35000 – £55000	per job
Two-storey extension (40 m²)	£80000 – £130000	per job
Conversion of existing space (loft/garage)	£25000 – £50000	per job
Build cost per square metre (all-in)	£175 – £320	per m²
Groundworks and foundations	£8000 – £15000	per job
Scaffolding hire (4-week project)	£2000 – £3500	per job
Planning and Building Regulations consultation	£1500 – £3000	per consultation

Prices are indicative averages for Hove. Actual quotes will vary based on job specifics.

What Affects the Cost?

Costs in Hove vary based on project scope, with single-storey extensions typically costing less per square metre than multi-storey builds. Material quality (brick/slate matching, insulation standards) significantly impacts pricing. Site constraints—terraced properties with limited access, proximity to boundaries, and ground conditions—increase labour time and expenses. Planning approvals and Building Regulations compliance are essential; conservation area restrictions common in Hove may require specialist approaches. Existing structural issues discovered during work can add 10–20% to estimates.

Money-Saving Tips

Get multiple quotes (at least 3) before committing; phased building can spread costs over time. Choose local suppliers familiar with Hove's planning quirks to avoid delays. Schedule work in off-peak seasons (autumn/winter) when builders may offer better rates. Ensure all quotations include contingency allowances (typically 10–15%) for unexpected discoveries.

Frequently Asked Questions

Why is extension building more expensive in Hove than elsewhere?

Hove's premium South East location, strict planning controls, and high property values drive labour and material costs up 25–35% above national averages. Many properties sit in conservation areas requiring specialist planning and architectural guidance, adding to overall project costs.

Do I need planning permission for an extension in Hove?

Most extensions need planning permission in Hove, especially in conservation areas (which cover much of the town) and for two-storey builds. Single-storey extensions under specific size limits may qualify for Permitted Development, but professional advice is essential. Always check with Hove Council before starting work.

How long does a typical extension project take?

A 20 m² single-storey extension usually takes 12–16 weeks from start to finish, including planning approval (8–13 weeks), groundworks, construction, and final inspections. Two-storey projects can extend 20–28 weeks. Bad weather and planning delays can add time.

What's included in a builder's quote for an extension?

A comprehensive quote should cover design, groundworks, structural frame, roofing, electrics, plumbing, plastering, decorating, scaffolding, and waste removal. Check whether Building Regulations approval, planning submission, and contingency costs are included—many builders quote these separately.

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