The ConstructionLtd

London's Construction Experts

Construction Services in Westminster

BelgraviaMayfairMarylebonePimlicoSt John's WoodPaddington

Construction Services in Westminster

Westminster is the most demanding planning jurisdiction in Greater London, and arguably in the country. The borough encompasses Mayfair, Belgravia, Pimlico, Marylebone, and St John's Wood — streets lined with Georgian and Regency townhouses, Grade I and II listed buildings, and conservation areas that cover virtually every residential neighbourhood. Construction here requires not just technical excellence but a deep understanding of Westminster City Council's planning policies, its Code of Construction Practice (CoCP), and the heritage frameworks that govern listed building consent.

Our Westminster portfolio includes full townhouse refurbishments in Belgravia's stucco terraces, basement conversions beneath Mayfair mews houses, apartment renovations in mansion blocks from Marylebone to Pimlico, and sensitive restorations of listed properties where every material choice requires heritage officer approval. We have navigated Westminster's pre-application engagement process on dozens of occasions and understand exactly what the authority expects at planning application stage.

Westminster Housing Stock

Georgian and Regency townhouses, Grade I and II listed properties, mansion flats, mews houses, Victorian and Edwardian terraces. High proportion of listed buildings and properties within conservation areas across all neighbourhoods.

Planning in Westminster

Westminster City Council is one of the UK's most rigorous planning authorities. Almost the entire borough falls within conservation areas — over 60 designated areas — and a significant proportion of the housing stock is listed at Grade I, Grade II*, or Grade II. Virtually all residential extensions, alterations, and conversions require full planning permission; permitted development rights are extremely limited.

Westminster's basement development policy is among the most restrictive in London, limiting new-dig basements to a single additional storey with comprehensive Structural Impact Assessments, neighbour consultation, and specific construction methodology requirements. The Council's Code of Construction Practice requires detailed construction management plans for all major projects, including noise monitoring, working hours restrictions, and waste management protocols. Pre-application advice from the Council's planning and heritage officers is strongly recommended before any design work is commissioned — this investment in process typically avoids refusal and saves significant cost.

Recent Projects in Westminster

Georgian Townhouse Full Refurbishment

£950,000
Full RenovationBelgravia, SW1

Five-storey Grade II listed townhouse — complete mechanical and electrical overhaul, six bespoke bathrooms, restoration of original plasterwork and cornicing, new basement utility room.

Mayfair Mews Basement Conversion

£380,000
BasementMayfair, W1

New-dig basement under a Grade II listed mews house creating a cinema room, wine cellar, and gym. Full structural monitoring and Westminster CoCP compliance.

Pimlico Apartment Renovation

£145,000
Full RenovationPimlico, SW1

Complete renovation of a three-bedroom mansion flat — new kitchen, three bathrooms, flooring, decoration, and full M&E replacement.

FAQs — Construction in Westminster

Do I need planning permission for works to my Westminster property?
Almost certainly yes. Westminster City Council applies Article 4 Directions across most residential areas, removing standard permitted development rights. Even minor alterations — replacement windows, external painting in some conservation areas, satellite dishes — require consent. We assess your property's planning status before any design work begins and advise on the most efficient consent route.
How does Westminster's basement policy work?
Westminster limits basement development to a single additional storey beneath the existing footprint in most cases. A comprehensive Structural Impact Assessment must accompany any basement planning application, demonstrating no adverse effect on neighbouring structures. Construction methodology — typically underpinning sequence, temporary works design, water management — must be agreed with the Council's structural engineer before works begin.
What is Westminster's Code of Construction Practice?
The CoCP is a set of requirements governing how construction works are managed in the borough. It covers working hours (typically 8am–6pm Monday to Friday, 8am–1pm Saturday, no Sunday working), noise monitoring, dust control, site hoarding, and logistics. We prepare CoCP-compliant Construction Management Plans for all Westminster projects and manage compliance throughout the build.
How long does planning permission take in Westminster?
Westminster's planning department processes standard applications within 8 weeks of validation, though complex heritage or listed building applications often require extensions. Pre-application engagement — typically 4–6 weeks to receive a formal written response — substantially improves the likelihood of first-time approval and is strongly recommended for all Westminster projects.
Do you work on listed buildings in Westminster?
Yes. Listed building consent is separate from planning permission and required for any works affecting a listed structure's character. We work with heritage consultants familiar with Westminster's heritage officers and prepare listed building consent applications that demonstrate full compliance with national and local heritage policy. Our track record with listed building projects in Westminster is strong.

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