- Companies
- Builders
- Thames Ditton
- Platform Consulting 21 Limited
Platform Consulting 21 Limited
- Company number
- 05673283
- Incorporated
- 12 Jan 200620 years trading
- Registered office
- Upper Deck, Admirals Quarters, Portsmouth Road, Thames Ditton, Surrey, KT7 0XA
- Nature of business
- Construction of commercial buildings
Platform Consulting 21 Limited is a 20-year-old private limited company registered in Thames Ditton, company number 05673283, one of 10 building contractors in Thames Ditton. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £19K (-69.2%) on the year before, to £8,533.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £16K against £7,635 owed within a year: 2.1 times cover.
- 3 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 |
|---|---|---|---|---|---|
| 30 Sep 2025 | £8,533 | £16K | £7,635 | 3 | |
| 31 Mar 2024 | £28K | £31K | £8,164 | 3 | |
| 31 Mar 2023 | £27K | £40K | £17K | 3 | |
| 31 Mar 2022 | £22K | £11K | £7,003 | 3 | |
| 31 Mar 2021 | £20K | £23K | £8,016 | 3 | |
| 31 Mar 2020 | £45K | £49K | £9,722 | 3 | |
| 31 Mar 2019 | £96K | £123K | £33K | ||
| 31 Mar 2018 | £99K | £105K | £14K | ||
| 31 Mar 2017 | £121K | £116K | £21K | ||
| 31 Jan 2016 | £108K | £109K | £21K |
Where Platform Consulting 21 Limited is registered
The registered office is in Thames Ditton (KT7), in the Elmbridge local authority area, South East. Show KT7 0XA on a map.
Other trade companies in KT7
- Willsgasservices LtdPlumbers and heating engineers
- Ayt Fusion LtdMotor traders
- MB Projects LtdBuilders
- Terra Datum LimitedLandscapers and gardeners
- Legacy Crafters LtdCivil engineering
- Marford Group LtdPlumbers and heating engineers
- Gweal LtdFacilities management
- HD Landscape Gardeners LtdLandscapers and gardeners
Also registered at this address
9 other companies use the same registered office as Platform Consulting 21 Limited.
- Brooklands Finance LimitedMotor traders
- Camair Compressors LimitedMachinery repair and installation
- Chel Building Solutions LimitedProperty developers
- Claymore Automotive LimitedMotor traders
- Cleaning Rooms LimitedCleaning companies
- Lavender Mews Property LimitedProperty developers
- M.C.King & Co LimitedBuilders
- Mackenzie Stallard LimitedBuilders
- Rubydream Property Co. LimitedProperty developers
What happens if Platform Consulting 21 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 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 05673283
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 January 2006 (20 years ago)
- Registered office
- Upper Deck, Admirals Quarters, Portsmouth Road, Thames Ditton, Surrey, KT7 0XA
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 12 January 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 Thames Ditton
Other active building contractors registered in Thames Ditton.
- Uku Builders Ltd2020
- Vtasa Trades Ltd2025
- Cornerstone Build by Design Limited2021
- Dan Aird Building and Renovation Ltd2021
- Ervin Construction Services Ltd2015
- Konclude Building Services Limited1996
- M.C.King & Co Limited2005
- Mackenzie Stallard Limited2025
All building contractors in Thames Ditton · All trades in Thames Ditton · Builders across the UK
Frequently asked questions
When are Platform Consulting 21 Limited's accounts due?
Platform Consulting 21 Limited's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is Platform Consulting 21 Limited's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Platform Consulting 21 Limited still trading?
Platform Consulting 21 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 Platform Consulting 21 Limited do?
Platform Consulting 21 Limited is registered under Construction of commercial buildings (SIC 41201).
How old is Platform Consulting 21 Limited?
Platform Consulting 21 Limited was incorporated on 12 January 2006, 20 years ago.
What is the penalty if Platform Consulting 21 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 Platform Consulting 21 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.