- Companies
- Civil engineering
- Mexborough
- 1ST Able Building & Maintenance Limited
1ST Able Building & Maintenance Limited
- Company number
- 03475570
- Incorporated
- 3 Dec 199728 years trading
- Registered office
- 39-42 Bridge Street, Swinton, Mexborough, South Yorkshire, S64 8AP
- Nature of business
- Construction of other civil engineering projects n.e.c.
1ST Able Building & Maintenance Limited is a 28-year-old private limited company registered in Mexborough, company number 03475570, one of 21 civil engineering contractors in Mexborough. Companies House shows its accounts as overdue: they were due on 30 September 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 down £1,925 (-2%) on the year before, to £96K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £100K against £3,690 owed within a year: more than 10 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2015 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2024 | £96K | £96K | £100K | £3,690 | 0 |
| 31 Dec 2023 | £98K | £207K | £108K | 3 | |
| 31 Dec 2022 | £31K | £71K | £51K | 3 | |
| 31 Dec 2021 | £35K | £64K | £45K | 3 | |
| 31 Dec 2020 | £11K | £64K | £62K | 3 | |
| 31 Dec 2019 | £16K | £77K | £77K | £64K | 4 |
| 31 Dec 2018 | -£22K | £16K | £26K | £52K | |
| 31 Dec 2017 | £19K | £66K | £51K | ||
| 31 Dec 2016 | £6,966 | £42K | £41K | ||
| 31 Dec 2015 | £1,304 | £9,733 | £16K |
Where 1ST Able Building & Maintenance Limited is registered
The registered office is in Mexborough (S64), in the Rotherham local authority area, Yorkshire and The Humber. Show S64 8AP on a map.
Other trade companies in S64
- SB’S Home Improvements LtdRepair services
- S J Croome Construction LtdInstallers
- Sourc LtdElectricians
- Arc Building & Interiors LtdInstallers
- 3P Project Solutions LimitedSpecialist contractors
- A&H Tyres LtdMotor traders
- Northdale Construction LtdBuilders
- A.J.W Plumbing & Heating Northern LtdPlumbers and heating engineers
What happens if 1ST Able Building & Maintenance Limited files late
If the accounts reach Companies House today, the late filing penalty is £150 (£300 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2026 to 31 Oct 2026 | £150 |
| 1 to 3 months late | 1 Nov 2026 to 31 Dec 2026 | £375 |
| 3 to 6 months late | 1 Jan 2027 to 31 Mar 2027 | £750 |
| More than 6 months late | From 1 Apr 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2027 | £200 |
| 3 months late | 31 Mar 2027 | another £200 |
| 6 months late | 30 Jun 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 2027 | 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
- 03475570
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 December 1997 (28 years ago)
- Registered office
- 39-42 Bridge Street, Swinton, Mexborough, South Yorkshire, S64 8AP
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2024
- Last confirmation statement
- 3 December 2025
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Mexborough
Other active civil engineering contractors registered in Mexborough.
- A Catlow Complete Utilities Ltd2023
- Able Construction and Maintenance Limited2023
- Adam Homecare Designs Limited1995
- Carr Rail Ltd2023
- CB Comms Ltd2022
- County Roadworks Limited2002
- D T Filling Stations Limited1996
- DFW Building Services Limited2024
All civil engineering contractors in Mexborough · All trades in Mexborough · Civil engineering across the UK
Frequently asked questions
When are 1ST Able Building & Maintenance Limited's accounts due?
1ST Able Building & Maintenance Limited's accounts were due at Companies House on 30 September 2026 and the register shows them as overdue.
When is 1ST Able Building & Maintenance Limited's CT600 due?
The CT600 for the period to 31 December 2025 is due at HMRC by 31 December 2026, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2026.
Is 1ST Able Building & Maintenance Limited still trading?
1ST Able Building & Maintenance Limited is listed as active on the Companies House register (checked 13 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 1ST Able Building & Maintenance Limited do?
1ST Able Building & Maintenance Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is 1ST Able Building & Maintenance Limited?
1ST Able Building & Maintenance Limited was incorporated on 3 December 1997, 28 years ago.
What is the penalty if 1ST Able Building & Maintenance 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 1ST Able Building & Maintenance Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.