- Companies
- Specialist contractors
- Add+Light Limited
Add+Light Limited
- Company number
- 09136826
- Incorporated
- 18 Jul 201412 years trading
- Registered office
- c/o O'Connell & Co, The Barn, 12A High Street, Wheathampstead, Herts, AL4 8AA
- Nature of business
- Other specialised construction activities n.e.c.; Other retail sale not in stores, stalls or markets; specialised design activities; Combined facilities support activities
Add+Light Limited is a 12-year-old private limited company registered in Wheathampstead, company number 09136826, one of the UK's specialist construction companies. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 £254 (+1.2%) on the year before, to -£21K.
- Net assets rose in 1 of 9 year-on-year comparisons on record.
- 2 employees 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 Jul 2025 | -£21K | £19K | 2 | ||
| 31 Jul 2024 | -£21K | £5,212 | £26K | 2 | |
| 31 Jul 2023 | -£20K | £5,008 | £25K | 2 | |
| 31 Jul 2022 | -£18K | £5,068 | £23K | 2 | |
| 31 Jul 2021 | -£16K | £5,046 | £22K | 2 | |
| 31 Jul 2020 | -£14K | £5,251 | £20K | 2 | |
| 31 Jul 2019 | -£12K | £5,248 | £18K | ||
| 31 Jul 2018 | -£8,610 | £6,082 | £15K | ||
| 31 Jul 2017 | -£4,185 | £8,204 | £13K | ||
| 31 Jul 2016 | -£833 | £1,404 | £4,865 | £6,229 |
Where Add+Light Limited is registered
The registered office is in Wheathampstead (AL4), in the St Albans local authority area, East of England. Show AL4 8AA on a map.
Other trade companies in AL4
- Savanto LimitedMotor traders
- Smart Finishes LtdPlasterers
- Htandg (Community Services) LtdLandscapers and gardeners
- Block Fire LtdElectricians
- Legacy Outdoor Living LtdLandscapers and gardeners
- Tahir Waqas Construction UK LtdBuilders
- BT Bim LimitedSpecialist contractors
- J&K Property (Herts) LtdInstallers
What happens if Add+Light Limited 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 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 09136826
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 July 2014 (12 years ago)
- Registered office
- c/o O'Connell & Co, The Barn, 12A High Street, Wheathampstead, Herts, AL4 8AA
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
Other retail sale not in stores, stalls or markets (SIC 47990)
specialised design activities (SIC 74100)
Combined facilities support activities (SIC 81100) - Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 18 July 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies
Other active specialist construction companies.
Frequently asked questions
When are Add+Light Limited's accounts due?
Add+Light Limited's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is Add+Light Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Add+Light Limited still trading?
Add+Light Limited 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 Add+Light Limited do?
Add+Light Limited is registered under Other specialised construction activities n.e.c. (SIC 43999); Other retail sale not in stores, stalls or markets (SIC 47990); specialised design activities (SIC 74100); Combined facilities support activities (SIC 81100).
How old is Add+Light Limited?
Add+Light Limited was incorporated on 18 July 2014, 12 years ago.
What is the penalty if Add+Light 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 Add+Light Limited 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.