Design & Build 2.0
One Team. One Plan. One Exceptional Outcome.
At Reltic BIM, we’ve redefined how homes are transformed in London and beyond. Our Design & Build 2.0 service combines architecture, planning, budgeting, construction, and digital tools-all managed by one expert team. That means no handovers, no confusion, and no surprises.
Whether you’re planning a high‑end property refurbishment, full home renovation, flat makeover, home extension, loft/basement conversion, or even a brand‑new build, Design & Build 2.0 gives you total clarity, control, and construction confidence.
Simple. Streamlined. Stress‑free.
Design & Build 2.0 isn’t just about construction – it’s about giving you clarity, control, and peace of mind through the entire process.
Design & Build 2.0 is our modern, fully integrated approach to residential construction. It brings together every stage of your project – from early sketches to final handover – under one expert team. No handovers. No crossed wires. Just one clear and seamless journey.
Where traditional projects often involve multiple disconnected teams (architects, engineers, builders, consultants), which can lead to delays, cost overruns, and stress, we take a different route. At Reltic BIM, we handle it all – with precision, transparency, and complete accountability.
One Team. One Plan. One Clear Path.
Design & Build 2.0 isn’t just a new name - it’s a better way to build. Instead of managing multiple disconnected teams, you get one experienced partner leading the entire process. That means faster decisions, fewer delays, and more predictable results.
Here’s what makes our approach different - and why it works so well for high-end refurbishments, full home renovations, loft conversions, extensions, new builds, and more across London:
You don’t need to coordinate architects, engineers, consultants, and contractors separately. We bring it all together, managing every stage of your project under one roof - from first ideas to final handover.
We handle everything: concept design, planning permission, building regulations, budgeting, technical drawings, and site delivery. No gaps. No confusion. Just joined-up thinking from day one.
Our use of 3D, 4D, and 5D BIM means you can see your project clearly - what’s being built, when, and for how much. It’s visual, precise, and helps reduce risk long before construction begins.
Planning submissions, building control packages, detailed construction documentation - we manage it all on your behalf, so you can focus on the outcome, not the admin.
We believe in full transparency. Every step is explained. Every cost is tracked. Every milestone is clear. You stay in control, without being overwhelmed.
What Makes It 2.0?
While most design and build companies work with static drawings and reactive budgets, we operate in data-rich 3D, 4D and 5D environments using BIM (Building Information Modelling). This allows us to make better decisions earlier, reduce risks, and ensure every stage of your project is fully coordinated and cost-transparent before construction begins.
- See your project in 3D before a single brick is laid.
- Know every cost in advance with 5D take-offs.
- Visualise your timeline with 4D simulations.
- Improve coordination and get fewer errors.
- Stay in control from anywhere with dashboards.
How We Deliver Clarity and Control
Design & Build is our comprehensive, all-in-one approach to bringing your construction project to life. In simple terms, it means we take full responsibility for the entire process – from developing the initial concept and design, right through to managing the construction work and handing you the keys to the finished building. We act as a single, dedicated team, guiding you through every stage of the investment.
The greatest benefit for you? Simplicity, significant time savings, and complete control over the budget. You no longer need to juggle the work of separate architects, engineers, and construction teams. We coordinate everything for you, which eliminates miscommunication and ensures a smooth, efficient project delivery.
To make our Design & Build process so effective and transparent, we use a suite of modern technologies and methods. Below, we simply explain what these key components are and how each one directly contributes to the success of your project.
See Your Building Before It’s Built
Imagine that instead of flat, complex technical drawings, you get a fully interactive, 3D digital model of your future building on a computer. You can rotate it, look inside, and inspect every detail – from the layout of the walls and the structure, to the placement of pipes and wiring. This is what we call BIM (Building Information Modelling).
- The benefit for you: Total clarity from the very beginning. You can see exactly what the final result will look like, allowing you to make better, more informed decisions and avoid costly changes later on.
A Perfect Fit for Existing Buildings.
Planning a renovation, extension, or refurbishment of an existing property? We use high-precision laser scanners to create a perfect digital copy of the building as it stands today. This gives us an incredibly accurate model upon which we base all our new design work.
- The benefit for you: A guarantee that all new elements will fit perfectly with the old structure. This eliminates the risk of measurement errors and costly surprises during the construction phase.
Your Budget Under Full Control
We add two further dimensions to our 3D model: cost (4D) and time (5D). This means our digital model is directly linked to the cost plan. Every single component in the virtual building has a price attached to it. If we make a design change, the cost plan updates automatically and instantly.
- The benefit for you: Complete financial transparency. At any moment, you know exactly how much the project will cost. The budget is precise, clear, and free from hidden expenses.
Watch the Build, Step-by-Step
We link the 3D model to the construction timeline. This allows us to create a visual simulation that shows how the entire build process will unfold over time – day by day and week by week – before the first brick is even laid.
- The benefit for you: A clear view of the project schedule. You can easily understand how long each stage will take and how different tasks depend on each other, allowing for better planning and preventing delays.
Solving Problems Before They Happen
This is one of our most valuable tools. Our software automatically analyses the 3D model and finds any areas where different elements are competing for the same space – for instance, where a structural beam, a water pipe, and a ventilation duct are set to clash.
- The benefit for you: A huge saving in time, money, and stress. We find and fix potential errors on the computer, not on the construction site. This prevents rework, costly downtime, and project delays.
The „Owner’s Manual” for Your Building
At the end of the project, we don’t just hand over the keys. We also provide you with the complete digital model of the finished building. This model contains all the essential information about your property, including the materials used, technical specifications, product warranties, and maintenance schedules.
- The benefit for you: You receive a comprehensive digital database for your building. This is an invaluable resource for future facilities management, planning maintenance, or carrying out any future refurbishments. All the information you need is in one easy-to-access place.
Our End-to-End Process
We don’t just build – we plan, model and deliver your project with precision from day one. Our Design & Build 2.0 approach is fully integrated and powered by BIM technology at every stage. Whether you’re planning a refurbishment, extension or new build, we guide you through each step with total clarity, transparency and control.
Here’s how we bring your vision to life – the smart way:
We listen, assess, and model your vision. You’ll receive a concept design and preliminary cost model - all within a coordinated digital environment.
Before any design work begins, we carry out a detailed digital survey of your property. Using laser scanning tools, we create an accurate 3D model of the existing space - ideal for planning extensions, refurbishments, or layout changes with confidence and clarity.
Our architects and BIM technicians develop the design into a fully detailed 3D model - ready for cost planning, scheduling, and construction coordination.
With integrated quantities and real-time cost data, we provide accurate estimates and transparent budgeting from day one.
We link your programme to the model, simulating construction before it begins. This helps optimise sequencing and reduce on-site risks.
All trades and services are coordinated within a central model, with clash detection and issue tracking done before works commence.
With a clear plan and budget in place, we deliver your project to the highest standards - managing all contractors, quality checks, and reporting digitally.
You receive a complete handover pack including the final model, asset data, and maintenance information - ready for future upgrades or facility management.
The Evolution of Design & Build
For years, the Design & Build model has been a major step forward from traditional construction methods, combining design and construction under a single contract. This approach eliminates many communication issues and simplifies the process for the client. We, however, have taken it a step further.
We believe that simply combining roles isn’t enough. We’ve introduced Design & Build 2.0 – a process supercharged by the latest digital technology. This approach is a game-changer, offering an unprecedented level of transparency, control, and efficiency. Instead of reacting to problems, we prevent them. Below, we outline the key differences that define our modern process.
Traditional Design & Build
2D Drawing-Based Planning
The project relies on flat drawings, which can lead to misinterpretation and make it difficult to fully visualise the final outcome.
Manual Cost Estimation
The cost plan is prepared separately and updated periodically, creating a risk of inaccuracies and delays in budget control.
Static Scheduling
The build plan is typically a task list in a document or spreadsheet, making it hard to visualise the sequence and dependencies of the project.
On-Site Problem Solving
Clashes between building services and structural elements are often only discovered on-site, causing costly downtime and unplanned work.
Limited Client Transparency
As the client, you rely mainly on team reports and meetings, with limited insight into live project data.
Paper-Based Handover
At the end of the project, you receive binders of paper documentation, warranties, and drawings that are difficult to search and maintain.
Design & Build 2.0 (Our Process)
3D Model-Based Planning (BIM)
We create an interactive, digital model of the building. You see everything in three dimensions before it’s built, ensuring total clarity.
Real-Time 5D Costing
The cost plan is dynamically linked to the 3D model. Any design change instantly updates the cost, giving you full control of the budget.
Dynamic 4D Scheduling
We create a visual simulation of the construction over time. You can watch how your building will come together, week by week.
Pre-emptive Problem Solving
We automatically detect hundreds of potential clashes during the design phase and resolve them virtually, saving time and money.
Full Client Transparency
You have direct insight into the live model, budget, and schedule. You are a fully informed partner in the process.
6D Digital Handover
You receive a complete digital 'owner’s manual’ for your building, with all asset data in one easy-to-access location.
See your home in 3D before we build
Before any design or construction work begins, we start with a detailed digital survey of your property. Using advanced scanning tools, we capture accurate measurements and convert them into a precise 3D model – known as Scan to BIM.
This process allows you to:
- Visualise the existing space in full detail
- Identify opportunities and limitations early
- Plan extensions, refurbishments or reconfigurations with confidence
- Avoid costly mistakes from guesswork or manual measures.
Whether you’re upgrading a flat, extending a townhouse, or transforming a basement – you’ll have a clear, visual understanding of what’s possible from the very start.
Explore Our
Virtual Tours
Our 3D scanning technology doesn’t just support design and construction – it also creates stunning virtual tours. Whether you’re planning, promoting or presenting a space, we deliver high-resolution digital walkthroughs straight from the same scan used for your BIM model.
Our Reputation
What Our Clients Say
We are proud of the ambitious spaces we create, but the lasting relationships we build with our clients are our greatest achievement. Here is what some of them have to say about their experience with Reltic BIM.
Recent Projects
Explore a selection of projects we’ve completed using our BIM-powered Design & Build 2.0 approach. From high-end refurbishments to digital-first new builds, every project showcases our commitment to quality, clarity, and innovation.
Frequently Asked Questions
You’re not alone. Here are some of the most common questions we hear from clients – answered simply and clearly, so you know exactly what to expect.
What is Design & Build 2.0?
Design & Build 2.0 combines architecture, cost estimation, scheduling, and construction into one seamless, BIM-powered process. Unlike traditional methods, it gives you full visibility, control, and coordination – all in one place.
Why choose Design & Build for my home?
With a single, accountable team managing everything from concept to completion, you avoid delays, miscommunication, and hidden costs. It’s faster, more efficient, and less stressful.
How does BIM benefit my home renovation or new build?
BIM (Building Information Modelling) allows you to visualise your project in 3D, forecast costs with 5D estimation, and plan phases with 4D scheduling. That means fewer surprises and smarter decision-making.
Can I make changes during the design or build phase?
Yes! Our integrated model makes it easy to update designs, budgets, and timelines. You’ll see how changes impact your project in real time – no guesswork, no delays.
What types of projects is Design & Build 2.0 suitable for?
We specialise in high-end refurbishments, loft conversions, extensions, basement builds, and new homes. Whether it’s a single property or a full-scale development, we tailor the approach to your goals.
How can I trust your budget and timeline?
All budgets are based on live BIM data (5D), and our scheduling tools (4D) show every phase before we begin. You’ll know exactly where your money goes and when each stage will be delivered.
Do you work across all of London?
Yes – and beyond. We’re based in London but deliver residential projects throughout the UK. Wherever you are, our digital tools ensure seamless remote collaboration and reporting.
How do I get started with Reltic BIM?
Just get in touch. We’ll start with a consultation to understand your goals, then walk you through how our Design & Build 2.0 process can work for you – with clarity, confidence and control.
