Hove's mix of grand Regency terraces, inter-war semis, and beachfront mansion blocks presents distinct architectural challenges that require local knowledge. Whether you're dealing with conservation area restrictions around Brunswick Town, extending a 1930s property in Aldrington, or reconfiguring a Victorian villa in Poet's Corner, the right architect will navigate Brighton & Hove City Council's planning requirements while respecting the city's heritage.
Hove's architectural market splits roughly into heritage work and modern extensions, with conservation areas covering much of the seafront and prime residential streets. Brunswick Town and Adelaide Crescent are Grade I listed, meaning any alterations need extremely careful handling and often specialist heritage consultants. The prevalence of Victorian and Regency properties means side returns and rear extensions dominate the workload, though many architects here also handle loft conversions where party wall agreements with neighbours can be complex given the dense terrace layout. Demand remains consistently high year-round, partly because many properties have awkward original layouts unsuitable for modern family life. Seafront properties face additional scrutiny on design — the council protects sightlines and won't approve anything that disrupts the character of the seafront elevations. Fees typically run 8–12% of build cost for full service on domestic projects, though some architects charge fixed fees for simpler planning packages. Summer tends to see more initial enquiries as people visualise outdoor space improvements, but applications go in year-round.
Initial consultations are usually free or charged at £150–300, during which the architect assesses feasibility and outlines the council's likely stance. For a typical side return extension, expect 8–12 weeks for planning drawings, another 8–12 weeks for building regs (which can run parallel), and 8–14 weeks for council determination once submitted. Conservation area applications add 2–4 weeks and often require heritage statements. Most Hove architects are familiar with the council's pre-application advice service (around £130 for householder schemes), which significantly improves success rates. Full RIBA-chartered architects will carry Professional Indemnity insurance of at least £250k–£1m depending on project scale. For listed building consent, you'll need someone with demonstrable heritage experience — ask for examples of approved schemes in Brighton & Hove conservation areas. Party wall notices are near-universal for terrace extensions, and your architect should coordinate the surveyor process. Expect to pay £2,500–£5,000 for planning drawings on a straightforward extension, £4,000–£8,000 if it includes building regs and tender documentation.
Brighton & Hove planning policy is notably design-sensitive compared to many authorities. The council publishes specific guidance on extensions in conservation areas, and refuses schemes that don't use sympathetic materials — render finishes, window proportions, and roof profiles all come under scrutiny. Properties near the seafront often fall under Article 4 directions removing permitted development rights, meaning even minor alterations need consent. If your property is in one of the 34 conservation areas, expect the council to require heritage statements and often specialist fenestration detailing. Parking is contentious: the council may resist extensions that remove off-street parking unless the property sits in a controlled parking zone with good public transport links. For party wall matters, surveyors here are well-versed in the Act but neighbours can be protective — a skilled architect will advise on diplomacy as much as technical compliance. Building Control here enforces thermal performance strictly given the city's sustainability commitments, so U-values and air-tightness detailing matter from day one.
Expect £2,500–£5,000 for planning and design work on a straightforward single-storey rear or side extension. Full service including building regulations, tendering, and contract administration typically runs 8–12% of the build cost, so a £60,000 extension might incur £5,000–£7,000 in architectural fees. Heritage or complex projects in conservation areas will be at the upper end.
Not legally, but Brighton & Hove's planning department is design-focused and often challenges applications lacking professional drawings or heritage statements. Most homeowners find architects significantly improve approval chances, especially in conservation areas or where Article 4 directions apply. Permitted development is more restricted here than in many UK cities.
Standard applications take 8 weeks from validation, though the council often requests amendments or further information extending this to 10–14 weeks. Conservation area applications add roughly 3–4 weeks for consultation. Pre-application advice (strongly recommended here) takes about 4 weeks and can shorten the formal process considerably.
Possibly, but it depends on your neighbour's window positions and the extension depth. Architects use the 45-degree rule as a starting guide, though it's not an absolute law. Party wall agreements don't cover light issues — that's a separate 'right to light' matter. A good architect will assess this early and design accordingly to avoid disputes or planning refusals.
You need listed building consent on top of planning permission for any alterations affecting character — even internal changes. Brunswick Town and Adelaide Crescent have Grade I listings, requiring heritage statements and often involvement from Historic England. Expect timelines to double and costs to increase 20–40% compared to non-listed projects. Use an architect with proven heritage credentials.
Very common, especially in Victorian terraces where loft space is generous. Most need planning permission because permitted development often doesn't apply in conservation areas or Article 4 zones. Party wall agreements are essential. Structural calculations for new floors and roof alterations add £800–£1,500 to costs, and building control inspections are mandatory throughout the build.
Most offer building regs as part of their package, either working with council Building Control or an Approved Inspector. Some unbundle it, so clarify upfront. Building regs fees in Brighton & Hove run around £800–£1,200 for a typical extension through the council, plus the architect's time for drawings and inspections.
The council commonly refuses schemes for: unsympathetic materials in conservation areas, overdevelopment of narrow plots, loss of parking without justification, excessive scale relative to neighbours, and poor heritage statements. Neighbour objections carry weight if design genuinely impacts them. Using pre-application advice and an architect familiar with local policy reduces refusal risk substantially.
Highly recommended if your project involves structural unknowns, conservation constraints, or tight plots. A feasibility study (£500–£1,500 depending on complexity) assesses whether your ambitions are achievable within budget and planning policy. Many Hove architects include basic feasibility in their initial consultation, but formal studies involve surveys and outline costings.
Check Brighton & Hove City Council's online planning map — it shows all 34 conservation areas plus Article 4 zones. Most of central Hove, the seafront, and streets like The Drive and Wilbury Road are covered. If you're in one, any visible external changes need planning consent, and design scrutiny increases significantly. Your architect should confirm this immediately.
About the author
Senior Editor, Building & Renovation · 15years' experience · RIBA Part 1 & Part 2 qualified
RIBA-trained, now writes about UK extensions, loft conversions and planning. 15 years covering UK building regulations.