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Serving Haywards Heath & Mid Sussex

Architectural Design in Haywards Heath

Hampshire Build is an architectural design practice proudly serving Haywards Heath and the Mid Sussex area. We specialize in house extensions, loft conversions, and garage conversions.

With over 20 years experience and working knowledge of Mid Sussex District Council requirements, we understand the unique character of this desirable commuter town with its excellent schools and village feel.

20+ years’ experience

Why Haywards Heath Homeowners Choose Us

  • Fixed-fee packages from £1,950 + VAT
  • South Downs National Park expertise
  • Complimentary feasibility consultation
  • Survey and drawing schedule agreed after instruction
  • Mid Sussex District Council experience

Our Services in Haywards Heath

Loft Conversions in Haywards Heath

Transform your unused loft into a valuable bedroom, office, or living area. Perfect for Haywards Heath's Victorian villas and family homes.

From £1,950 + VAT

House Extensions in Haywards Heath

Single-storey, two-storey, or wrap-around extensions designed to maximize your Haywards Heath property's potential.

From £1,950 + VAT

Planning Permission in Haywards Heath

Expert navigation of Mid Sussex District Council planning requirements.

From £1,950 + VAT

Working with Mid Sussex District Council

Mid Sussex has various planning considerations including proximity to the South Downs National Park. Some areas have conservation restrictions. We're experienced with Mid Sussex's planning landscape and can navigate the requirements effectively.

  • Planning portal: midsussex.gov.uk/planning
  • Councils aim to decide householder applications within 8 weeks of validation. Timing is set by the council and is not guaranteed.
  • Covering Haywards Heath, Burgess Hill, East Grinstead

Why Extend in Haywards Heath?

With excellent schools, fast trains to London Victoria and Brighton, and beautiful countryside, more Haywards Heath homeowners choose to extend rather than relocate.

Frequently Asked Questions - Haywards Heath

Building costs depend on the surveyed property and agreed scope. Use our free Feasibility Check for an indicative budget, then obtain written contractor quotations. Our design packages start from £1,950 + VAT; building work and statutory fees are separate.

Many extensions fall under Permitted Development Rights. However, properties within the South Downs National Park boundary or conservation areas have additional requirements. Explore your project with our Free Feasibility Study.

Standard planning applications with Mid Sussex District Council typically take 8-12 weeks.

Parts of Mid Sussex fall within the South Downs National Park where stricter planning controls apply. We can advise on your specific property's constraints and opportunities.

Yes, we have a network of trusted builders across Mid Sussex. We can recommend reliable contractors for your Haywards Heath project.

Ready to Transform Your Haywards Heath Property?

Book a complimentary consultation today – no obligation, no hidden fees.

Nearby Areas We Serve

Public council planning decisions

Recent planning decisions near Haywards Heath

Updated 3 October 2026

In the 12 months to 3 October 2026, Mid Sussex planning authority decided 76 householder home-improvement applications near Haywards Heath in the cached public records — 72 approved.

Coverage: Within approximately 2 km of the town centre. Extensions, loft conversions, dormers, garage conversions and porches only. Records without clear householder classification, location or final decision are excluded. Proposal summaries describe the home-improvement element; see the council record for the full proposal. This is not a complete council-register census.

These are public council decisions about other people’s applications. They are not Hampshire Build projects and do not predict the outcome of your project.