Doncaster & South Yorkshire
Groundworks · Doncaster & South Yorkshire
Excavation, footings, drainage and substructure set out by the same team that lays the brickwork above it, so the levels are right first time, the inspection passes, and nothing gets rebuilt at your expense.
20 years' experience · fully insured · every project backed by a 2-year workmanship guarantee
20 years
Trading experience
Team of 11
Directly employed
£2m / £10m
Public & employers' liability
2-year guarantee
10-year warranty on request
CSCS · NVQ 6
SSSTS & NHBC Masterclass
Overview
Groundworks is the least visible and least forgiving part of any build. Every error below ground is carried upward and multiplied: a footing 40mm out of level becomes a course of brickwork cut on site, a drain laid to the wrong fall becomes a blockage every winter. Surefoot delivers groundworks across Doncaster and South Yorkshire with the same crew that continues into the brickwork, which removes the handover gap where most substructure problems are created.
Site strip and reduced dig, trench excavation, concrete strip and trench-fill foundations, oversite preparation, blockwork substructure to DPC, cavity fill, DPC and DPM installation, foul and surface water drainage, soakaways, manholes and inspection chambers, sub-bases for slabs, patios and driveways, and muck away.
Homeowners building an extension, garage, outbuilding or garden room; homeowners who need drainage or levels resolved before landscaping; and builders and developers who need substructure delivered accurately and on programme so the superstructure can start on time.
Before any extension or new structure, when ground levels need reducing or building up, when existing drainage has to be diverted or replaced, when a patio, driveway or base keeps failing because the sub-base was never right, and when building control require foundations excavated and inspected to a specified depth.
Foundation depth is decided by what is actually in the ground, clay, made ground, tree roots, existing services and the water table, not by what is convenient. Getting that judgement wrong is the single most expensive mistake available on a domestic project, and it is not correctable once the walls are up.
What it costs to get wrong
Substructure failures do not stay below ground. They arrive as cracks, damp and standing water, months or years after the trench was backfilled.
Trenches dug too shallow, into soft spots, or too close to tree roots produce differential settlement. The result is stepped cracking through the brickwork above, doors that stop closing and a structural report you have to disclose when you sell.
Pipework laid to insufficient fall, connected into the wrong system, or missing rodding access blocks repeatedly. Surface water discharged into the wrong place saturates the ground next to your foundations, which is where damp and movement start.
Where levels are not set out from a fixed datum, patios finish above the DPC, thresholds do not line up and water is directed toward the building instead of away from it. Correcting it means lifting what has already been paid for.
Backfilling trenches with unsuitable spoil, compacting sub-base in one deep layer instead of proper lifts, ignoring a services search before digging, and taking the cheapest excavation price without asking who carries the risk when the trench needs to go deeper than assumed.
Our process
Tell us the project, send any drawings or building control requirements, and describe access: a mini digger and a grab lorry need very different routes in.
We take levels from a fixed datum, assess ground conditions and access, and identify existing drainage and services before anything is priced or dug.
Priced on the real dig, the real muck away volume and the real sub-base build-up, with the scope written out so there is no ambiguity later.
Excavation to the required depth, inspection where building control require it, concrete poured, substructure blockwork built to DPC, drainage laid to correct falls and tested, backfill compacted in layers.
Levels, falls and finished substructure checked with you before the superstructure starts, backed by our 2-year workmanship guarantee, with a 10-year warranty available on request.
What you get
Accurate levels and correctly sized foundations mean the brickwork, the floor and the roof all land where the drawings say they should.
Correct falls, proper rodding access and surface water taken away from the structure rather than allowed to soak beside it.
The team that digs the footings lays the bricks on top of them, so there is no gap where responsibility gets handed over and lost.
Trenches, depths and details prepared so building control inspections are a formality rather than an obstacle.
£2,000,000 public liability and £10,000,000 employers' liability, which matters more on excavation work than almost anywhere else.
A 2-year workmanship guarantee on every project, with a 10-year warranty available on request.
In detail
Groundworks decisions are ground-specific. Doncaster and the wider South Yorkshire area throw up clay, made ground from former industrial and colliery use, and high water tables, all of which change the correct answer.
Traditional concrete strip footings, trench fill where a deeper dig makes strip uneconomic, wide strip in weaker bearing strata, and stepped foundations on sloping sites. Depth is driven by bearing capacity, frost depth, and proximity to trees and existing structures.
Site strip and reduced dig, trench excavation by machine with hand trimming where services or roots are close, and muck away with material segregated for reuse where it is suitable as backfill or landscaping fill.
Dense concrete blockwork to DPC, engineering brick where exposure demands, cavity fill, DPM and DPC installation lapped correctly, and beam-and-block or solid oversite preparation depending on the floor specification.
Foul and surface water runs in the correct pipe sizes and falls, inspection chambers and rodding access, gullies and channel drainage, soakaways sized to the area they serve, and connection to existing systems where a survey confirms it is appropriate.
Compacted MOT Type 1 laid and consolidated in layers, geotextile membrane where the subgrade is weak, and edge restraint detailing: the difference between a driveway that holds its shape and one that ruts within two winters.
Domestic projects are usually about access, protecting the garden and the house, and finishing to a level the landscaping can pick up. Commercial and developer work adds programme pressure, sequencing with follow-on trades, RAMS and site inductions. We hold CSCS, SSSTS, NVQ Level 6 and NHBC Masterclass accreditation, so both are business as usual.
£2,000,000 public liability and £10,000,000 employers' liability cover, with a 2-year workmanship guarantee on every project and a 10-year warranty available on request.
Questions
Anything not covered here, call Michael on +44 7856 247499 and ask.
Related work
The shell of your extension delivered by a single accountable contractor, footings, substructure and brickwork, so there is no gap between trades, no blame when levels do not line up, and a 2-year workmanship guarantee on the finished work.
View serviceStructural and facing brickwork built by a directly employed Doncaster team with 20 years behind the trowel: set out accurately on day one so you are not paying twice, and covered by a 2-year workmanship guarantee when we leave.
View serviceDriveways excavated and based for the weight they actually carry, with compliant surface water drainage and proper edge restraint, so you get a surface that holds its shape instead of rutting, sinking and puddling within two winters.
View serviceWe cover Doncaster and the surrounding towns, see the full list of areas we work in, browse all Surefoot services, or send your project details for a tailored price.
Send your drawings or describe the site and we will visit, take levels and price the real dig: fully insured, accredited, and guaranteed for two years.
Fully insured · CSCS, SSSTS, NVQ Level 6 & NHBC Masterclass · 2-year workmanship guarantee
