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- Core Building Maintenance Ltd
Company profile · Specialist contractors
Core Building Maintenance Ltd
Core Building Maintenance Ltd is a 5-year-old private limited company registered in Dumfries, company number SC677443, one of 11 specialist construction companies in Dumfries. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 October 2025, as filed at Companies House.
Core Building Maintenance Ltd over the years
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 £20K on the year before, to £22K.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £22K | £0 | £0 | 1 | |
| 31 Oct 2024 | £1,100 | £500 | £0 | 1 | |
| 31 Oct 2023 | £0 | £0 | £0 | 0 | |
| 31 Oct 2022 | £100 | £0 | £0 | 0 | |
| 31 Oct 2021 | £0 | £0 | £0 | 0 |
Where Core Building Maintenance Ltd is registered
The registered office is in Dumfries (DG1), in the Dumfries and Galloway local authority area, Scotland. Show DG1 3BW on a map.
Other trade companies in DG1
- Rooftek Roofing LtdRoofers
- K&M Tyre Services LtdMechanics and garages
- Rory Porteous Plumbing & Heating LimitedPlumbers and heating engineers
- Unique Landscapes & Stonecraft LimitedSpecialist contractors
- Eml Garage Car Sales LtdMotor traders
- Dca Contracting LimitedSpecialist contractors
- Dbdoorsandfloors LimitedJoiners and carpenters
- Ingram Electrical & Property Services LtdMachinery repair and installation
What happens if Core Building Maintenance 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- SC677443
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 October 2020 (5 years ago)
- Registered office
- 138 Lockerbie Road, Dumfries, DG1 3BW
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 24 September 2026
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 Dumfries
Other active specialist construction companies registered in Dumfries.
- Crossy's Groundworks Limited2020
- Dca Contracting Limited2026
- Finite Engineering Limited2009
- Hammer & Thistle Building and Design Ltd2017
- Reid Pipeline Construction Limited2010
- South West Asbestos Removal Ltd2018
- Steven Glen Builders Limited2008
- A & CM Engineering Limited2024
All specialist construction companies in Dumfries · All trades in Dumfries · Specialist contractors across the UK
Frequently asked questions
When are Core Building Maintenance Ltd's accounts due?
Core Building Maintenance Ltd's next accounts are due at Companies House by 31 July 2027 (in 292 days), covering the period to 31 October 2026.
When is Core Building Maintenance Ltd's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Core Building Maintenance Ltd still trading?
Core Building Maintenance 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 Core Building Maintenance Ltd do?
Core Building Maintenance Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Core Building Maintenance Ltd?
Core Building Maintenance Ltd was incorporated on 13 October 2020, 5 years ago.
What is the penalty if Core Building Maintenance 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 Core Building Maintenance 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.