Two regulators, one project
Any A&A on a Singapore conservation shophouse runs under two parallel regulatory regimes:
- URA Conservation — protects the historic façade, party walls, original structure, and contextual character of the building
- BCA Building Control Act — applies the same modern PE endorsement and Building Plan requirements as any other Singapore building
A clean conservation A&A submission satisfies both. URA approval typically must come before BCA submission can complete; some submissions run in parallel through CORENET-X coordination.
Singapore's conservation areas
URA's Conservation Areas where shophouses are protected:
- Chinatown precinct — Telok Ayer, Ann Siang Hill, Amoy Street, Bukit Pasoh, Tanjong Pagar conservation
- Boat Quay & Clarke Quay — riverside heritage
- Kampong Glam — Arab Street, Bussorah Street, Haji Lane
- Little India — Serangoon Road, Race Course Road, Dunlop Street
- Joo Chiat / Katong — colourful Peranakan shophouses
- Geylang — Lorong shophouses
- Emerald Hill — terrace conservation
- River Valley — selected pre-war terraces
What URA Conservation requires
1. The 3R principle
URA's overarching framework — Maximum Retention, Sensitive Restoration, Careful Repair. Original façade elements, structural party walls, internal courtyards, timber staircases, and feature elements must be retained wherever possible. Restoration uses traditional materials and techniques; repair is to original profiles.
2. Façade integrity
- Original façade composition (window placement, ornamentation, jack roof) must be preserved
- Repainting requires URA-approved colour scheme
- Original windows are restored, not replaced; aluminium windows are typically refused
- Air-conditioning condensers must be hidden from street view
- Signage size and placement are regulated
3. Party wall preservation
The brick party walls (between adjacent shophouses) are typically structural and historically significant. They cannot usually be hacked or removed — even where modern engineering would allow it.
4. Internal courtyard
The traditional shophouse air well / internal courtyard is often a protected feature. Building over it (full enclosure) is typically refused; partial covering with skylight may be allowed.
5. Use restrictions
Certain conservation areas have URA use restrictions — what businesses can operate, hours, signage, alcohol licensing. Change of use to F&B may require additional URA approval.
What BCA requires (in addition)
The BCA requirements are unchanged by conservation status:
- PE endorsement under Section 9 BC Act
- Building Plan submission via CORENET-X
- SS EN-compliant structural calculations
- Site supervision under Section 12 BC Act
- Form C (or equivalent) on completion
- SCDF Fire Safety Plan for any change of use to F&B or commercial
- NEA noise/dust controls for active construction
The challenge is reconciling URA's preservation requirements with BCA's modern compliance baseline. Common conflict: original timber staircases don't meet modern fire egress widths; original windows don't meet thermal performance.
The submission sequence
- URA Conservation pre-application — early engagement with URA conservation officers
- URA Conservation Advisory Committee — formal review (4–8 weeks)
- URA Written Permission issued
- BCA Building Plan submission via CORENET-X (in parallel with finalising URA)
- SCDF / NEA / PUB as applicable
- Approvals consolidated — works can commence
- Site supervision by QPs throughout construction
- URA / BCA completion sign-off
Common conservation A&A scopes
- F&B fit-out (kitchen, dining, bar) — the most common conservation A&A
- Boutique hotel conversion
- Art gallery or retail conversion
- Co-working / office conversion
- Residential restoration
- Mixed-use (ground floor retail / upper floor residential)
- Rooftop terrace addition (if URA permits)
Pricing
| Scope | PE fee (SGD) | URA + BCA timeline |
|---|---|---|
| Internal A&A only (no façade change) | 8,000 – 18,000 | 3–5 months |
| F&B conversion with kitchen + structural opening | 12,000 – 25,000 | 4–6 months |
| Façade restoration + internal A&A | 18,000 – 40,000 | 5–8 months |
| Boutique hotel conversion (full shophouse) | 30,000 – 80,000 | 6–12 months |
| Multi-shophouse linked development | 50,000 – 200,000+ | 9–18 months |
Lessons from real conservation projects
- Engage URA conservation officers early. Pre-application meetings can save 6+ weeks of submission cycles.
- Original drawings rarely exist. Budget for as-built survey at project start.
- Party walls are non-negotiable. Don't design assuming you can remove them; design around them.
- Modern fire / accessibility / energy standards still apply. Resolve conflicts with URA at design stage, not at site.
- Material match matters. URA may insist on traditional materials — clay tiles, lime mortar, timber jalousies. Sourcing adds time.
Have a conservation shophouse A&A in mind? Send the address and intent to CVC Engineers — we'll respond within one working day with feasibility, scope, and timeline.