Construction, considered down to the millimetre.
Crestline Construction delivers residential and commercial projects across London and the South East — from single-storey extensions to full-scale developments — engineered with precision and finished without compromise.
What We Do
Six disciplines,
one standard.
Every service at Crestline runs through the same chain of command, the same site discipline, and the same finish tolerance — whether the job is a loft or a landmark.
Residential Construction
New-build homes and multi-unit residential schemes, built to exacting private-client standards.
Explore Service SITE 02 — COMMERCIALCommercial Construction
Fit-for-purpose retail, office and mixed-use builds delivered around live business operations.
Explore Service SITE 03 — RENOVATIONProperty Renovation & Extensions
Full refurbishments, house extensions and structural alterations that respect original character.
Explore Service SITE 04 — MANAGEMENTProject Management
Single point of accountability across design, programme, budget and subcontractor coordination.
Explore Service SITE 05 — FIT-OUTInterior Fit-Outs
Bespoke joinery, M&E coordination and finishing packages for residential and commercial interiors.
Explore Service SITE 06 — MAINTENANCEBuilding Maintenance
Planned and reactive maintenance contracts that protect the asset long after handover.
Explore Service
How We Build
A process built for certainty.
Five stages, one project lead throughout. Hover each stage to see how it connects to the next.
Consultation & Survey
Site visit, feasibility review and an honest read on scope, budget and programme.
Design & Approvals
Drawings, structural calculations and planning or Building Regulations submissions.
Costing & Contract
A transparent, itemised quotation and a formal contract before a single tool is lifted.
Construction
Weekly programme updates, dedicated site management and quality checks at every stage.
Handover
Snagging, certification, as-built documentation and warranty registration.
Why Crestline
What sets the standard.
Fixed-price certainty
Itemised quotes with no hidden variations — what's agreed is what's invoiced.
Programme discipline
98% of Crestline projects hand over on or ahead of the agreed date.
Direct accountability
One project lead from first survey to final sign-off — no handoffs, no confusion.
In-house trades
Core structural, joinery and finishing teams — not a chain of unvetted subcontractors.
Full compliance
CDM-compliant site management, insured to £10m, RIBA-aligned documentation.
Built to last
Specification-led material choices, with a workmanship warranty on every contract.
FAQ
Common questions.
Yes. We manage the full approvals process, working with your architect or our in-house design partners to prepare and submit planning and Building Regulations applications.
Every project is quoted as a fixed, itemised price following survey and design sign-off. Any client-requested change is documented and priced separately before work proceeds.
We're based in Croydon and work throughout Greater London and the South East, including Surrey and parts of Kent.
Yes — phased sequencing, temporary access routes and out-of-hours working are standard on occupied residential and live commercial sites.
Crestline holds public liability cover to £10m and manages every site under CDM 2015 regulations, with a dedicated principal contractor role on qualifying projects.
Get In Touch
Tell us about the site.
Send a few details and a project lead will call within one business day — or call the office directly on 020 3868 0000.
74 WARREN ROAD, CROYDON, CR0 6PF
HELLO@CRESTLINECONSTRUCTION.CO.UK