Self-Build New Homes
Complete new build estimates from plot to handover, including all trades and staged cost plans for mortgage drawdowns.
For Home Owners & Self Builders
Estimates for Home Owners & Self Builders
Understand your true build costs and plan your budget with confidence from day one.
Build With Budget Confidence
Embarking on a self-build or home renovation is exciting, but without accurate cost information, budgets can quickly spiral. Our qualified Quantity Surveyors provide clear, understandable estimates that give you full control.
From a simple loft conversion to a complete new build, we break down every cost so you know exactly what to expect. No jargon, no hidden surprises, just honest figures you can plan around.
Get Your Estimate
Common Challenges
Problems We Solve for Self Builders
Understanding True Build Costs
Builder quotes vary wildly. Our independent estimates give you a true picture of what your project should cost, so you can evaluate quotes with confidence.
Budget Planning & Control
Running out of budget mid-project is every self builder's nightmare. Our detailed breakdowns help you plan finances properly from the start.
Managing Multiple Trades
Coordinating different tradespeople is complex. Our itemised estimates help you understand what each element costs and manage trades effectively.
How We Help
Services for Self Builders
Budget estimates for early-stage planning and feasibility
Planning drawing estimates for mortgage and finance applications
Building regulation estimates with full detail
Material quantification for self-procurement
Trade-by-trade cost breakdowns
Quotation review to check builder prices
Client Success
What Self Builders Say About Us
The staged cost plan was exactly what our mortgage broker needed. First4Estimating understood the self-build finance process and structured everything perfectly. We couldn’t have got our funding without them.
Project Types
Typical Projects We Handle for Self Builders
Home Extensions
Kitchen-diners, extra bedrooms and multi-storey additions with full material and labour breakdowns.
Loft Conversions
Dormer, hip-to-gable and mansard loft conversions with full structural and finishing cost breakdowns.
Barn & Property Conversions
Residential conversions of agricultural and commercial buildings, including heritage material specifications.
Renovation Projects
Whole-house renovation and modernisation of period or dated properties with trade-by-trade costings.
Garden & External Works
Landscaping, driveways, garages, annexes and garden buildings estimated as standalone or bundled projects.
Real Results
See How We Helped a Self Builder Like You
Residential
View Full Case Study
New Build Detached House, Yorkshire
We produced a full cost estimate for a 4-bedroom detached new build, structured into six drawdown stages to support a self-build mortgage application and manage the build budget from start to finish.
4%
Within Estimate
6-stage
Cost Plan
11 months
Build Completed
Client Reviews
Stories From Our Customers
For over 12 years they have assisted us with our tenders to help secure large scale projects across the UK. A truly professional and reliable service.
Honest, reliable and cost effective solution to the large amount of build enquiries we receive. Their accurate estimates ensure we win more projects than previously.
We have worked with First4Estimating for over 10 years costing our large scale commercial projects. It's like having a personal estimator at a fraction of the cost.