- Companies
- Specialist contractors
- Luton
- KM Groundworks Limited
KM Groundworks Limited
- Company number
- 05528076
- Incorporated
- 4 Aug 200521 years trading
- Registered office
- Bramingham Business & Conference Centre, Enterprise Way, Luton, Bedfordshire, LU3 4BU
- Nature of business
- Other specialised construction activities n.e.c.
KM Groundworks Limited is a 21-year-old private limited company registered in Luton, company number 05528076, one of 195 specialist construction companies in Luton. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets down £60K (-22.5%) on the year before, to £206K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £137K against £364K owed within a year: 0.4 times cover.
- 1 employee on average, down from 2 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £206K | £137K | £364K | 1 | |
| 31 Jul 2024 | £266K | £83K | £376K | 2 | |
| 31 Jul 2023 | £176K | £42K | £221K | 2 | |
| 31 Jul 2022 | £143K | £117K | £264K | 2 | |
| 31 Jul 2021 | £150K | £67K | £222K | 2 | |
| 31 Jul 2020 | £98K | £158K | £67K | 2 | |
| 31 Jul 2019 | £3,929 | £13K | £18K | ||
| 31 Jul 2018 | £74K | £116K | £67K | ||
| 31 Jul 2017 | £50K | £92K | £59K | ||
| 31 Jul 2016 | £38K | £68K | £43K |
Where KM Groundworks Limited is registered
The registered office is in Luton (LU3), in the Luton local authority area, East of England. Show LU3 4BU on a map.
Other trade companies in LU3
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- Mot's 247 LtdMechanics and garages
- Naresh GCS LtdBuilders
- First World General Trading LimitedMotor traders
- Oriel Vista LtdGlaziers
- Brooks R Electrical Services LtdElectricians
- MSDD Marchidan LimitedCleaning companies
- Ssbo LtdInstallers
Also registered at this address
22 other companies use the same registered office as KM Groundworks Limited.
- A D H Developments LimitedProperty developers
- Ampthill Drylining LtdFinishing trades
- Belglen Services LimitedPlasterers
- Berko Psi LtdPlasterers
- Billington & Son Contractors LimitedCivil engineering
- D W L Plastering LtdFloor and wall tilers
- Evolution Drylining LimitedPlasterers
- F S E Electrical LimitedElectricians
- Hayton Services LtdFinishing trades
- J T Automotives LimitedMechanics and garages
- Just Clean MK LtdCleaning companies
- M J Morrison LimitedPlasterers
- M J Reilly & Sons LtdBuilders
- Mackcon Pipeline Services LtdCivil engineering
- McCaffrey Contractors LtdBuilders
- MMK Plastering LtdPlasterers
- Neatheat Plumbing & Heating LtdPlumbers and heating engineers
- Nuhomeuk LtdSpecialist contractors
- Oaktree Drylining LimitedFloor and wall tilers
- Ocean Project Developments LtdProperty developers
- Sunset Productions LtdElectricians
- XRP Developments LtdFinishing trades
What happens if KM Groundworks Limited files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 05528076
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 August 2005 (21 years ago)
- Registered office
- Bramingham Business & Conference Centre, Enterprise Way, Luton, Bedfordshire, LU3 4BU
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 4 August 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Luton
Other active specialist construction companies registered in Luton.
- Lap Contracts and Construction Management Limited2021
- Lawes Measured Surveys Limited2021
- Lignum Build Ltd2017
- Localhandyman.Co.UK Ltd2025
- Lynx Delivery Ltd2023
- M & S Water Services (Utilities) Limited2007
- M G M Haulage & Recycling Limited2010
- M R Welding Limited2015
All specialist construction companies in Luton · All trades in Luton · Specialist contractors across the UK
Frequently asked questions
When are KM Groundworks Limited's accounts due?
KM Groundworks Limited's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is KM Groundworks Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is KM Groundworks Limited still trading?
KM Groundworks Limited is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does KM Groundworks Limited do?
KM Groundworks Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is KM Groundworks Limited?
KM Groundworks Limited was incorporated on 4 August 2005, 21 years ago.
What is the penalty if KM Groundworks Limited files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View KM Groundworks Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.