- Companies
- Specialist contractors
- Milton Keynes
- SM Building Works Ltd
SM Building Works Ltd
- Company number
- 13781944
- Incorporated
- 3 Dec 20214 years trading
- Registered office
- Regus, Atterbury Lakes Centre Office No 210F, Fairbourne Drive, Atterbury, Milton Keynes, MK10 9RG
- Nature of business
- Other specialised construction activities n.e.c.
SM Building Works Ltd is a 4-year-old private limited company registered in Milton Keynes, company number 13781944, one of 171 specialist construction companies in Milton Keynes. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £811 (-74.5%) on the year before, to £278.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £9,583 against £9,861 owed within a year: 1.0 times cover.
- 3 employees on average, down from 4 the year before.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £278 | £9,583 | £9,861 | 3 | |
| 31 Dec 2024 | £1,089 | £8,287 | £8,026 | 4 | |
| 31 Dec 2023 | £4,209 | £324 | £3,183 | 1 | |
| 31 Dec 2022 | £2,080 | £3,018 | £901 | 1 |
Where SM Building Works Ltd is registered
The registered office is in Milton Keynes (MK10), in the Milton Keynes local authority area, South East. Show MK10 9RG on a map.
Other trade companies in MK10
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- Modern Dwellings LtdBuilders
- Rodel Grivei-Burcea LtdBuilders
- Solarmay LimitedElectricians
- Now Service Group LtdPlumbers and heating engineers
- CGR Outsource Group LimitedMachinery repair and installation
- SNK Auto Mechanic LtdMechanics and garages
What happens if SM Building Works Ltd 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 13781944
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 December 2021 (4 years ago)
- Registered office
- Regus, Atterbury Lakes Centre Office No 210F, Fairbourne Drive, Atterbury, Milton Keynes, MK10 9RG
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 25 November 2025
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 Milton Keynes
Other active specialist construction companies registered in Milton Keynes.
- So Solid Construction Limited2024
- Solar Partner Limited2016
- Sopit Construction Ltd2026
- Southern Render Supplies Limited2020
- Space Efficient Interiors Limited1999
- Starline Traders & Contractors Ltd2023
- STCK Holdings Limited2022
- Sustainable Solutions Construction Ltd2018
All specialist construction companies in Milton Keynes · All trades in Milton Keynes · Specialist contractors across the UK
Frequently asked questions
When are SM Building Works Ltd's accounts due?
SM Building Works Ltd's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is SM Building Works Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is SM Building Works Ltd still trading?
SM Building Works Ltd 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 SM Building Works Ltd do?
SM Building Works Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is SM Building Works Ltd?
SM Building Works Ltd was incorporated on 3 December 2021, 4 years ago.
What is the penalty if SM Building Works Ltd 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 SM Building Works Ltd 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.