- Company number
- 10089339
- Incorporated
- 29 Mar 201610 years trading
- Registered office
- c/o By the Book Accounting Ltd, 27-28 Commercial Road, Swindon, SN1 5NS
- Nature of business
- Construction of domestic buildings
A1 Carpentry & Construction Ltd is a 10-year-old private limited company registered in Swindon, company number 10089339, one of 267 building contractors in Swindon. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £28K (-74.5%) on the year before, to £9,468.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £71K against £61K owed within a year: 1.2 times cover.
- 1 employee on average during the year.
- 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 Mar 2025 | £9,468 | £71K | £61K | 1 | |
| 31 Mar 2024 | £37K | £69K | £32K | 1 | |
| 31 Mar 2023 | £11K | £49K | £8,447 | 1 | |
| 31 Mar 2022 | £4,925 | £67K | £23K | 1 | |
| 31 Mar 2021 | £53 | £55K | £10K | 1 | |
| 31 Mar 2020 | £201 | £24K | £25K | 1 | |
| 31 Mar 2019 | £2,188 | £59K | £68K | £69K | |
| 31 Mar 2018 | £26K | £31K | £38K | £16K | |
| 31 Mar 2017 | £56K | £68K | £108K | £58K | |
| 31 Mar 2016 | £1 | £1 |
Where A1 Carpentry & Construction Ltd is registered
The registered office is in Swindon (SN1), in the Swindon local authority area, South West. Show SN1 5NS on a map.
Other trade companies in SN1
- Terraform Surfacing LimitedSpecialist contractors
- Haq Builders Swindon LtdBuilders
- Yeshi Construction LimitedBuilders
- Built & Bespoke LtdBuilders
- Saxon Property Care LtdBuilders
- DBX Contracts LimitedBuilders
- Hamaazs LtdSpecialist contractors
- E&R Electrics LtdElectricians
Also registered at this address
4 other companies use the same registered office as A1 Carpentry & Construction Ltd.
- Craig Donnelly Building Contractors LtdBuilders
- KMC MOT LtdMechanics and garages
- Scarlett McGurk Plumbing Solutions LtdPlumbers and heating engineers
- Willow Tree Building Services LtdElectricians
What happens if A1 Carpentry & Construction 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
- 10089339
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 March 2016 (10 years ago)
- Registered office
- c/o By the Book Accounting Ltd, 27-28 Commercial Road, Swindon, SN1 5NS
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 28 March 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Swindon
Other active building contractors registered in Swindon.
- Absolute Construction Group Ltd2025
- Adroit Builders (Wiltshire) Ltd2012
- Aeromotive Design Ltd1998
- Akers Developments Ltd2024
- Akm88 Build Ltd2026
- Alpha Refurbishment and Renovation Ltd2022
- Ampm247.Com Limited2002
- Andrade Property Maintenance Ltd2024
All building contractors in Swindon · All trades in Swindon · Builders across the UK
Frequently asked questions
When are A1 Carpentry & Construction Ltd's accounts due?
A1 Carpentry & Construction 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 A1 Carpentry & Construction Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is A1 Carpentry & Construction Ltd still trading?
A1 Carpentry & Construction 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 A1 Carpentry & Construction Ltd do?
A1 Carpentry & Construction Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is A1 Carpentry & Construction Ltd?
A1 Carpentry & Construction Ltd was incorporated on 29 March 2016, 10 years ago.
What is the penalty if A1 Carpentry & Construction 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 A1 Carpentry & Construction 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.