- Companies
- Property developers
- Knebworth
- SH Dev 1 Ltd
SH Dev 1 Ltd
- Company number
- 17225955
- Incorporated
- 18 May 2026
- Registered office
- 12A Deards End Lane, Knebworth, SG3 6NL
- Nature of business
- Development of building projects; Buying and selling of own real estate
SH Dev 1 Ltd is a newly incorporated private limited company registered in Knebworth, company number 17225955, one of 8 property development companies in Knebworth. Its next accounts are due at Companies House on 18 February 2028, and its first CT600 is due at HMRC on 17 May 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 SH Dev 1 Ltd is registered
The registered office is in Knebworth (SG3), in the North Hertfordshire local authority area, East of England. Show SG3 6NL on a map.
Other trade companies in SG3
- Unityrock Services LtdBuilders
- DJ Monk LimitedMechanics and garages
- BCC Construction LtdBuilders
- Knebworth Refinishing LimitedMechanics and garages
- CC Brickwork LtdProperty developers
- KGS Landscaping & Ground Works LtdLandscapers and gardeners
- Cube Installations Co. LtdFloor and wall tilers
- Asq Sun Salute LtdElectricians
What happens if SH Dev 1 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 18 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 19 Feb 2028 to 18 Mar 2028 | £150 |
| 1 to 3 months late | 19 Mar 2028 to 18 May 2028 | £375 |
| 3 to 6 months late | 19 May 2028 to 18 Aug 2028 | £750 |
| More than 6 months late | From 19 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 17225955
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 May 2026
- Registered office
- 12A Deards End Lane, Knebworth, SG3 6NL
- Nature of business
- Development of building projects (SIC 41100)
Buying and selling of own real estate (SIC 68100) - Year end
- 31 May (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 22 May 2026
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Knebworth
Other active property development companies registered in Knebworth.
- CC Brickwork Ltd2026
- Cresthill Homes Ltd2022
- Haven Developments Limited1988
- Helms Regeneration Ltd2024
- LMS Estates Ltd2005
- Maxfx Solutions Ltd2013
- Rosetta Homes (Wadesmill) Ltd2024
All property development companies in Knebworth · All trades in Knebworth · Property developers across the UK
Frequently asked questions
When are SH Dev 1 Ltd's accounts due?
SH Dev 1 Ltd's next accounts are due at Companies House by 18 February 2028 (in 494 days), covering the period to 31 May 2027.
When is SH Dev 1 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 17 May 2027, due by 17 May 2028, and one for the period to 31 May 2027, due by 31 May 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is SH Dev 1 Ltd still trading?
SH Dev 1 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 SH Dev 1 Ltd do?
SH Dev 1 Ltd is registered under Development of building projects (SIC 41100); Buying and selling of own real estate (SIC 68100).
How old is SH Dev 1 Ltd?
SH Dev 1 Ltd was incorporated on 18 May 2026, less than a year ago.
What is the penalty if SH Dev 1 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 SH Dev 1 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.