- Companies
- Installers
- Swindon
- MDK Buildings Ltd
MDK Buildings Ltd
- Company number
- 14499050
- Incorporated
- 22 Nov 20223 years trading
- Registered office
- 39 Buxton Way, Royal Wootton Bassett, Swindon, SN4 8JB
- Nature of business
- Other construction installation
MDK Buildings Ltd is a 3-year-old private limited company registered in Swindon, company number 14499050, one of 72 installation companies (insulation, lifts, shutters and similar) in Swindon. Its next accounts are due at Companies House on 31 December 2026, and its first CT600 is due at HMRC on 30 November 2026.
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 up £21K (+96.6%) on the year before, to £44K.
- Current assets of £30K against £18K owed within a year: 1.7 times cover.
- -2 employees on average, down from -1 the year before.
- Balance sheets on record for 2 years, 2023 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2024 | £44K | £30K | £18K | -2 | |
| 30 Nov 2023 | £22K | £23K | £8,201 | -1 |
Where MDK Buildings Ltd is registered
The registered office is in Swindon (SN4), in the Wiltshire local authority area, South West. Show SN4 8JB on a map.
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What happens if MDK Buildings 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 14499050
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 November 2022 (3 years ago)
- Registered office
- 39 Buxton Way, Royal Wootton Bassett, Swindon, SN4 8JB
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2024
- Last confirmation statement
- 21 November 2025
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Swindon
Other active installation companies (insulation, lifts, shutters and similar) registered in Swindon.
- Medmech Limited2003
- Mulbury Ventures Limited2004
- Nexora Installations Ltd2026
- Obszynski Property Solutions Ltd2026
- Oxfordshire Driveways and Patios Limited2024
- P & I Property Maintenance Limited2023
- Patch & Polish by the Sadlers Ltd2026
- Powerlync Energy Ltd2026
All installation companies (insulation, lifts, shutters and similar) in Swindon · All trades in Swindon · Installers across the UK
Frequently asked questions
When are MDK Buildings Ltd's accounts due?
MDK Buildings Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is MDK Buildings Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 30 November 2025, due by 30 November 2026, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is MDK Buildings Ltd still trading?
MDK Buildings 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 MDK Buildings Ltd do?
MDK Buildings Ltd is registered under Other construction installation (SIC 43290).
How old is MDK Buildings Ltd?
MDK Buildings Ltd was incorporated on 22 November 2022, 3 years ago.
What is the penalty if MDK Buildings 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 MDK Buildings 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.