- Companies
- Finishing trades
- London
- A & Y Building Works Ltd
A & Y Building Works Ltd
- Company number
- 09055137
- Incorporated
- 23 May 201412 years trading
- Registered office
- 19 Mountacre Close, Sydenham Hill, London, SE26 6SX
- Nature of business
- Other building completion and finishing
A & Y Building Works Ltd is a 12-year-old private limited company registered in London, company number 09055137, one of 3,947 building finishing companies in London. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 up £2,107 (+867.1%) on the year before, to £1,864.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £313 against £382 owed within a year: 0.8 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 Dec 2025 | £1,864 | £313 | £382 | 1 | |
| 31 Dec 2024 | -£243 | £2,138 | £3,963 | 1 | |
| 31 Dec 2023 | £3,122 | £3,047 | £0 | 1 | |
| 31 Dec 2022 | £666 | £5,816 | £1,860 | 1 | |
| 31 Dec 2021 | £399 | £2,244 | £1,265 | 1 | |
| 31 Dec 2020 | £2,785 | £3,613 | £877 | 1 | |
| 31 Dec 2019 | £2,045 | £2,429 | £1,957 | 0 | |
| 31 Dec 2018 | £2,886 | £2,928 | £956 | ||
| 31 Dec 2017 | £3,185 | £1,299 | £528 | ||
| 31 Dec 2016 | £3,862 | £122 | £754 | 1 |
Where A & Y Building Works Ltd is registered
The registered office is in London (SE26), in the Lewisham local authority area, London. Show SE26 6SX on a map.
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What happens if A & Y Building Works 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 09055137
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 May 2014 (12 years ago)
- Registered office
- 19 Mountacre Close, Sydenham Hill, London, SE26 6SX
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 8 January 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 London
Other active building finishing companies registered in London.
- A A Guest Rooms Ltd2021
- A and K Interiors Ltd2013
- A Builders Team Limited2015
- A Class Polishers Limited2021
- A D Building & Maintenance Services Ltd2020
- A D S Builders Al Ltd2022
- A J Contractions Ltd2026
- A K Assistance Limited1995
All building finishing companies in London · All trades in London · Finishing trades across the UK
Frequently asked questions
When are A & Y Building Works Ltd's accounts due?
A & Y Building Works Ltd's next accounts are due at Companies House by 30 September 2027 (in 351 days), covering the period to 31 December 2026.
When is A & Y Building Works Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is A & Y Building Works Ltd still trading?
A & Y Building Works 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 A & Y Building Works Ltd do?
A & Y Building Works Ltd is registered under Other building completion and finishing (SIC 43390).
How old is A & Y Building Works Ltd?
A & Y Building Works Ltd was incorporated on 23 May 2014, 12 years ago.
What is the penalty if A & Y Building Works 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 A & Y Building Works 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.