Company profile · Builders
Add Construction Services Limited
Add Construction Services Limited is a 10-year-old private limited company registered in Stanmore, company number 10256565, one of 198 building contractors in Stanmore. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 30 June 2025, as filed at Companies House.
Add Construction Services Limited over the years
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 £21K (+582.2%) on the year before, to £17K.
- Net assets rose in 5 of 8 year-on-year comparisons on record.
- Current assets of £23K against £11K owed within a year: 2.1 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £17K | £23K | £11K | 1 | |
| 30 Jun 2024 | -£3,565 | £6,102 | £38K | 1 | |
| 30 Jun 2023 | -£2,922 | £45K | £51K | 1 | |
| 30 Jun 2022 | -£8,144 | £5,763 | £12K | 1 | |
| 30 Jun 2021 | -£9,700 | £10K | £21K | 1 | |
| 30 Jun 2020 | £16K | £20K | £40K | 2 | |
| 30 Jun 2019 | £2,163 | £12K | £31K | 2 | |
| 30 Jun 2018 | £6,397 | £8,625 | £15K | ||
| 30 Jun 2017 | £5,754 | £17K | £17K |
Where Add Construction Services Limited is registered
The registered office is in Stanmore (HA7), in the Harrow local authority area, London. Show HA7 1AG on a map.
Other trade companies in HA7
- Vatra Developments LtdBuilders
- Air and Waves LtdPlumbers and heating engineers
- R & R Building Services LtdFinishing trades
- Berculean BBV Ltd LtdBuilders
- Velorent LtdMotor traders
- Autex LtdMechanics and garages
- TH Motorcycles LtdMotor traders
- Ady Painting and Decorating LtdInstallers
What happens if Add Construction Services 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 31 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 10256565
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 June 2016 (10 years ago)
- Registered office
- 77 Bromefield, Stanmore, HA7 1AG
- Nature of business
- Construction of domestic buildings (SIC 41202)
Plastering (SIC 43310)
Painting (SIC 43341) - Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 28 June 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 Stanmore
Other active building contractors registered in Stanmore.
- Adr Constructions Drylining Ltd2022
- Ady Construction Services Ltd2025
- Ahz Builders & Decorators Ltd2026
- Akpk Ltd2025
- Alpha Global Builders Ltd2025
- Amv Windows and Doors Ltd2026
- Andaly Construction Limited2022
- Andconstruct Ltd2016
All building contractors in Stanmore · All trades in Stanmore · Builders across the UK
Frequently asked questions
When are Add Construction Services Limited's accounts due?
Add Construction Services Limited's next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.
When is Add Construction Services Limited's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Add Construction Services Limited still trading?
Add Construction Services 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 Construction Services Limited do?
Add Construction Services Limited is registered under Construction of domestic buildings (SIC 41202); Plastering (SIC 43310); Painting (SIC 43341).
How old is Add Construction Services Limited?
Add Construction Services Limited was incorporated on 29 June 2016, 10 years ago.
What is the penalty if Add Construction Services 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 Construction Services 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.