- Companies
- Finishing trades
- London
- SDS Building Consultancy Ltd
SDS Building Consultancy Ltd
- Company number
- 17351633
- Incorporated
- 21 Jul 2026
- Registered office
- 20 Wenlock Road, London, N1 7GU
- Nature of business
- Other building completion and finishing; Photocopying, document preparation and other specialised office support activities; Archives activities
SDS Building Consultancy Ltd is a newly incorporated private limited company registered in London, company number 17351633, one of 3,947 building finishing companies in London. Its next accounts are due at Companies House on 21 April 2028, and its first CT600 is due at HMRC on 20 July 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where SDS Building Consultancy Ltd is registered
The registered office is in London (N1), in the Hackney local authority area, London. Show N1 7GU on a map.
Other trade companies in N1
- Tagwise LtdSpecialist contractors
- Sphere Aviation Solutions UK LtdMachinery repair and installation
- Get IT Done Builders LtdJoiners and carpenters
- Evolution Products LimitedMotor traders
- Fleetstone Trading LtdMotor traders
- Kenneth Brady LtdElectricians
- UK Import Export LtdBuilders
- Magic Door Services LimitedMachinery repair and installation
Shared registered office
1,583 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 SDS Building Consultancy 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 21 April 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 22 Apr 2028 to 21 May 2028 | £150 |
| 1 to 3 months late | 22 May 2028 to 21 Jul 2028 | £375 |
| 3 to 6 months late | 22 Jul 2028 to 21 Oct 2028 | £750 |
| More than 6 months late | From 22 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2028 | £200 |
| 3 months late | 31 Oct 2028 | another £200 |
| 6 months late | 31 Jan 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 2029 | 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
- 17351633
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 July 2026
- Registered office
- 20 Wenlock Road, London, N1 7GU
- Nature of business
- Other building completion and finishing (SIC 43390)
Photocopying, document preparation and other specialised office support activities (SIC 82190)
Archives activities (SIC 91012) - Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
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.
- Sdu Limited2006
- Seabreeze Building Solutions Ltd2026
- Seaclass Limited2012
- Sealine Roofing Ltd2025
- Seamless Finishes Limited2015
- Seamless Line Limited2025
- Seba Services Inc Limited2015
- Secure City Limited2014
All building finishing companies in London · All trades in London · Finishing trades across the UK
Frequently asked questions
When are SDS Building Consultancy Ltd's accounts due?
SDS Building Consultancy Ltd's next accounts are due at Companies House by 21 April 2028 (in 556 days), covering the period to 31 July 2027.
When is SDS Building Consultancy 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 20 July 2027, due by 20 July 2028, and one for the period to 31 July 2027, due by 31 July 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is SDS Building Consultancy Ltd still trading?
SDS Building Consultancy 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 SDS Building Consultancy Ltd do?
SDS Building Consultancy Ltd is registered under Other building completion and finishing (SIC 43390); Photocopying, document preparation and other specialised office support activities (SIC 82190); Archives activities (SIC 91012).
How old is SDS Building Consultancy Ltd?
SDS Building Consultancy Ltd was incorporated on 21 July 2026, less than a year ago.
What is the penalty if SDS Building Consultancy 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 SDS Building Consultancy 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.