50+ Specialist Calculators
Instant Results - No Sign-Up
Free to Use
Professional tools for serious builders  Start Here
BuildersCalc.Pro

What are you
working on?

Pick your goal below and we'll point you to the right tools, calculators and guides - no hunting around required.

I'm planning a self-build I need a calculator I have a planning question
Showing results for:
🌟
Pick who you are
Choose your role below and the page filters itself to show only the tools and guides relevant to you.
🌟
Or browse by goal
Use the category buttons to highlight a whole area - self-build, planning, grants and so on.
🌟
Or just scroll
The full directory of every tool and guide is below - browse at your own pace and click anything that looks useful.
Search the site
Find any calculator, guide or tool - try "solar", "loft", "VAT", "heat pump"
Who are you?
Homeowners
Professionals
Other
Business looking to sponsor this site

Planning a self-build

Self-Build Hub The complete overview of every stage of building your own home Self-Build Cost Estimator Quick top-level cost estimate based on floor area and spec level New Build Cost Calculator Detailed trade-by-trade cost per m² by region and spec Self-Build Mortgage Calculator Estimate monthly payments and total borrowing Finance Guide How to fund a self-build: mortgages, bridging, savings and equity Self-Build Checklist Step-by-step from plot search through to completion Finding a Plot Where to search, what to check, how to assess a building plot Build Routes Package build, main contractor or project manage: which suits you? Design & Planning Architects, planning applications and getting your design approved Procurement Sourcing materials and trades: what to buy and when The Build Stage Managing the build on site: programme, trades and quality control Completion Snagging, building control sign-off and moving in VAT Reclaim How to reclaim VAT on a self-build using the HMRC DIY scheme Self-Build Insurance Site insurance, structural warranties and what cover you need CIL Exemption How self-builders can claim Community Infrastructure Levy exemption Party Wall When you need a party wall agreement and what it involves Building Regulations (Self-Build) How building control works on a self-build project

Estimating & calculators

All Calculators Browse all 50+ material quantity and cost calculators New Build Cost Calculator Trade-by-trade build cost estimate by region and spec level Walls & Structure Bricks, blocks, mortar, plasterboard, stud walls Roofing Roof tiles, slate, felt, rafters, guttering, flashing Flooring Hard flooring, tiles, screed, underlay, parquet Concrete & Foundations Concrete volume, rebar, gravel, aggregate Painting & Decoration Paint, exterior coatings, wallpaper quantities Insulation & Environmental Insulation, damp-proof membrane, rainwater attenuation Cladding & Exterior Weatherboard, timber cladding, render board, EWI, brick slips Landscaping & Exterior Fencing, paving, decking, garden walls, gravel, mulch Renewables & Energy Solar PV, air source and ground source heat pumps Interior Finishing Skirting, door frames, worktops, staircases Additional & Utilities Skip waste, cable tray, adhesives and more Carbon Calculator Estimate the embodied carbon of your build materials Survey Cost Calculator Estimate survey cost by property value and survey type

Extending or renovating

Building Projects Hub Cost guides and advice for the most common home improvement projects House Extension Single and double storey extension costs and planning guide Loft Conversion Velux, dormer and mansard loft conversion cost guide Garage Conversion Converting an integral or detached garage: costs and planning Roof Replacement Full and partial roof replacement costs and materials guide Bathroom Refit Bathroom renovation costs from basic to luxury Kitchen Refit Kitchen renovation and new-fit costs guide External Render & EWI External wall insulation and render system costs Orangery & Sunroom Orangery and sunroom costs and planning requirements Patio & Decking New patio and decking costs per m² Garden Wall Brick and block garden wall costs and specifications New Build House New build cost overview and what the money goes on Home Surveys Guide Level 1, 2 and 3 surveys: what each covers and when you need one Survey Checklist What to look for before and after commissioning a home survey

Planning & regulations

Planning Permission Hub Everything you need to know about getting planning permission in the UK How to Get Planning Permission Step-by-step guide to the planning application process Permitted Development Checker Find out if your project needs planning permission or not Building Regulations Checker Check which building regulations apply to your project UK Building Regs Guide Plain-English guide to the UK building regulations by part Extension Planning When extensions need planning permission and what the limits are Loft Conversion Planning Planning rules for dormers and other loft conversions Garage Conversion Planning Planning requirements for garage conversions Conservatory Planning When a conservatory needs planning permission Garden Studio Planning When a garden office or studio needs planning permission Change of Use Planning for change of use applications Solar Panels Planning When solar panels need planning permission Listed Buildings Hub Guidance for owners and buyers of listed buildings Listed Building Consent What requires consent and how to apply for it Buying a Listed Building What to check before buying a listed property Permitted Development (Listed) What permitted development rights listed buildings lose

Grants & green energy

Grants Hub All UK government grants and schemes for home energy improvements Boiler Upgrade Scheme Up to £7,500 towards a heat pump or biomass boiler ECO4 Free insulation and heating for eligible low-income households Great British Insulation Scheme Subsidised loft and cavity wall insulation for most homeowners Disabled Facilities Grant Up to £30,000 for adaptations to help disabled people at home Home Upgrade Grant Funding for off-gas-grid homes to improve energy efficiency Warm Home Discount £150 energy bill rebate for qualifying households Solar PV Calculator Estimate solar panel output, cost and payback period Air Source Heat Pump Calculator Estimate ASHP installation cost and running cost savings Ground Source Heat Pump Calculator Estimate GSHP cost, output and savings Carbon Calculator Estimate the embodied carbon footprint of your build

Reference & tools

Building Terms Explained Plain-English glossary of 300+ construction and building terms Project Management Tools Free templates for managing a construction project on site Gantt Chart Templates Free construction programme Gantt chart templates Programme of Works How to create a construction programme of works Site Diary Template and guidance for keeping a construction site diary Snag List Free snag list template for final inspections and handover Variation Order Template and guide for managing variations on site Handover Checklist Practical checklist for project handover and completion Blog & Guides In-depth articles on materials, pricing and construction techniques County Directory Find local builders and tradespeople by county across the UK How It Works A quick overview of what BuildersCalc.Pro is and who it's for