- Company number
- 14602553
- Incorporated
- 18 Jan 20233 years trading
- Registered office
- 1 Coed Duffryn, Aberdare, CF44 0DB
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
Brennan Design & Developments Ltd is a 3-year-old private limited company registered in Aberdare, company number 14602553, one of 32 building contractors in Aberdare. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 2028.
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 £34 (-43%) on the year before, to £45.
- 1 employee on average during the year.
- Balance sheets on record for 3 years, 2024 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | £45 | £937 | £892 | 1 | |
| 31 Jan 2025 | £79 | £577 | £498 | 1 | |
| 31 Jan 2024 | £14K | £20K | £8,030 | 1 |
Where Brennan Design & Developments Ltd is registered
The registered office is in Aberdare (CF44), in the Rhondda Cynon Taf local authority area, Wales. Show CF44 0DB on a map.
Other trade companies in CF44
- Site Impact Reduction LtdBuilders
- Atlas Motorcare LtdMotor traders
- Albannie Internals LtdInstallers
- Omega Electrical & Renewables LimitedElectricians
- Overdrive Shopfitting LtdJoiners and carpenters
- MRG Lofts and Construction LimitedSpecialist contractors
- CB Heating & Plumbing SW LtdPlumbers and heating engineers
- Cav's Green Management LtdLandscapers and gardeners
What happens if Brennan Design & Developments 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 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 2029 | 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
- 14602553
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 January 2023 (3 years ago)
- Registered office
- 1 Coed Duffryn, Aberdare, CF44 0DB
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 15 March 2026
- Previous names
- Stella Developments Ltd (until 30 Nov 2023)
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 Aberdare
Other active building contractors registered in Aberdare.
- C & C Wood Ltd2021
- Chris Evans Building Contractors Limited2011
- Clearleap Ltd2026
- D&A Carpentry Specialist Limited2003
- Dawell Ltd2023
- Fletcher Groundworks & Civils Ltd2026
- Full Moon (Aberaman) Limited2024
- Furwood Developments Limited2019
All building contractors in Aberdare · All trades in Aberdare · Builders across the UK
Frequently asked questions
When are Brennan Design & Developments Ltd's accounts due?
Brennan Design & Developments Ltd's next accounts are due at Companies House by 31 October 2027 (in 384 days), covering the period to 31 January 2027.
When is Brennan Design & Developments Ltd's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is Brennan Design & Developments Ltd still trading?
Brennan Design & Developments 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 Brennan Design & Developments Ltd do?
Brennan Design & Developments Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is Brennan Design & Developments Ltd?
Brennan Design & Developments Ltd was incorporated on 18 January 2023, 3 years ago.
What is the penalty if Brennan Design & Developments 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 Brennan Design & Developments 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.