- Companies
- Finishing trades
- Portsmouth
- Atkins & Winkles Construction Ltd
Atkins & Winkles Construction Ltd
- Company number
- 10631473
- Incorporated
- 21 Feb 20179 years trading
- Registered office
- Unit 5, Dundas Lane, Portsmouth, Hampshire, PO3 5BL
- Nature of business
- Other building completion and finishing
Atkins & Winkles Construction Ltd is a 9-year-old private limited company registered in Portsmouth, company number 10631473, one of 137 building finishing companies in Portsmouth. 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 £21K (-53.6%) on the year before, to £18K.
- Net assets rose in 4 of 7 year-on-year comparisons on record.
- Current assets of £42K against £26K owed within a year: 1.6 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £18K | £42K | £26K | 2 | |
| 31 Mar 2024 | £40K | £95K | £58K | 2 | |
| 31 Mar 2023 | £42K | £95K | £56K | 2 | |
| 31 Mar 2022 | £14K | £57K | £47K | 2 | |
| 31 Mar 2021 | £15K | £73K | £54K | 2 | |
| 31 Mar 2020 | £544 | £20K | £18K | 2 | |
| 31 Mar 2019 | £224 | £33K | £28K | ||
| 31 Mar 2018 | £173 | £42K | £40K |
Where Atkins & Winkles Construction Ltd is registered
The registered office is in Portsmouth (PO3), in the Portsmouth local authority area, South East. Show PO3 5BL on a map.
Other trade companies in PO3
- GJM Construction LtdBuilders
- Al Fajar Building LimitedFinishing trades
- New Milton Decor LtdPainters and decorators
- Portsmouth Autos LtdMechanics and garages
- Henley Roofing Group LimitedInstallers
- I’M Covered 365 Ac LtdPlumbers and heating engineers
- Scope Bodyshop LtdMechanics and garages
- GP Technical LtdSpecialist contractors
Also registered at this address
1 other company uses the same registered office as Atkins & Winkles Construction Ltd.
- Sextons Commercials Sound LtdMotor traders
What happens if Atkins & Winkles 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
- 10631473
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 February 2017 (9 years ago)
- Registered office
- Unit 5, Dundas Lane, Portsmouth, Hampshire, PO3 5BL
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 20 February 2026
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Portsmouth
Other active building finishing companies registered in Portsmouth.
- Baffins Builders Limited2011
- BDW Builders Limited2017
- Bernie Eaden Electrical Ltd2019
- Blacks Bespoke Building Ltd2024
- Bound by Resin Limited2021
- Boyle's Brickwork (South) Ltd2022
- C Lillington Carpentry & Building Services Limited2021
- Carrin Construction & Development Ltd2026
All building finishing companies in Portsmouth · All trades in Portsmouth · Finishing trades across the UK
Frequently asked questions
When are Atkins & Winkles Construction Ltd's accounts due?
Atkins & Winkles 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 Atkins & Winkles 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 Atkins & Winkles Construction Ltd still trading?
Atkins & Winkles 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 Atkins & Winkles Construction Ltd do?
Atkins & Winkles Construction Ltd is registered under Other building completion and finishing (SIC 43390).
How old is Atkins & Winkles Construction Ltd?
Atkins & Winkles Construction Ltd was incorporated on 21 February 2017, 9 years ago.
What is the penalty if Atkins & Winkles 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 Atkins & Winkles 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.