- Companies
- Plumbers and heating engineers
- London
- Sada & Platts Construction Ltd
Sada & Platts Construction Ltd
- Company number
- 10670620
- Incorporated
- 15 Mar 20179 years trading
- Registered office
- 45 Albemarle Street, 3RD Floor, Mayfair, London, W1S 4JL
- Nature of business
- Plumbing, heat and air-conditioning installation; Other service activities n.e.c.
Sada & Platts Construction Ltd is a 9-year-old private limited company registered in London, company number 10670620, one of 2,972 plumbing and heating companies in London. Companies House shows its accounts as overdue: they were due on 31 December 2025.
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 £131K (+134.2%) on the year before, to £33K.
- Net assets rose in 3 of 6 year-on-year comparisons on record.
- 1 employee on average during the year.
- Balance sheets on record for 7 years, 2018 to 2023.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2023 | £33K | £18K | £0 | 1 | |
| 31 Mar 2023 | -£97K | £14K | £0 | 1 | |
| 31 Mar 2022 | -£113K | £10K | £0 | 3 | |
| 31 Mar 2021 | -£154K | £75K | £3,584 | 4 | |
| 31 Mar 2020 | -£79K | £28K | £1,300 | 3 | |
| 31 Mar 2019 | -£46K | £31K | £81K | 3 | |
| 31 Mar 2018 | -£3,974 | £2,908 | £7,815 |
Where Sada & Platts Construction Ltd is registered
The registered office is in London (W1S), in the Westminster local authority area, London. Show W1S 4JL on a map.
Other trade companies in W1S
- Alderborne LimitedSpecialist contractors
- Gtstore LtdMotor traders
- Imperial Roofcraft LtdRoofers
- Service Robots Group LtdFacilities management
- Bluerock Infrastructure LtdBuilders
- Kaivaro Projects LtdBuilders
- Solar Property 45 LtdProperty developers
- Crown Crest Roofing and Building Solutions LtdRoofers
Shared registered office
33 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Sada & Platts Construction Ltd files late
If the accounts reach Companies House today, the late filing penalty is £1,500 (£3,000 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2026 to 31 Jan 2026 | £150 |
| 1 to 3 months late | 1 Feb 2026 to 31 Mar 2026 | £375 |
| 3 to 6 months late | 1 Apr 2026 to 30 Jun 2026 | £750 |
| More than 6 months late | From 1 Jul 2026 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2026 | £200 |
| 3 months late | 30 Jun 2026 | another £200 |
| 6 months late | 30 Sep 2026 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2027 | 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
- 10670620
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 March 2017 (9 years ago)
- Registered office
- 45 Albemarle Street, 3RD Floor, Mayfair, London, W1S 4JL
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other service activities n.e.c. (SIC 96090) - Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2023
- Last confirmation statement
- 7 August 2026
- Previous names
- Handy Express Limited (until 23 Apr 2025)
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in London
Other active plumbing and heating companies registered in London.
- Saf Plumbing Solutions Ltd2025
- Safe Flame on Ltd2021
- Safe Heat Solutions Ltd2026
- Safe Plumbing4You Limited2026
- Safeflow Heating & Plumbing Ltd2025
- Safer Gas Contractors Limited2016
- Sage Facilities Ltd2019
- Sage Plumbers Limited2024
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Sada & Platts Construction Ltd's accounts due?
Sada & Platts Construction Ltd's accounts were due at Companies House on 31 December 2025 and the register shows them as overdue.
When is Sada & Platts Construction Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 December 2024, due by 31 December 2025, and one for the period to 31 March 2025, due by 31 March 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is Sada & Platts Construction Ltd still trading?
Sada & Platts Construction Ltd is listed as active on the Companies House register (checked 13 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 Sada & Platts Construction Ltd do?
Sada & Platts Construction Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other service activities n.e.c. (SIC 96090).
How old is Sada & Platts Construction Ltd?
Sada & Platts Construction Ltd was incorporated on 15 March 2017, 9 years ago.
What is the penalty if Sada & Platts 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 Sada & Platts Construction Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.