Orchard View
From£440,000Est. £2,216/mo
- 2-4 beds
- 2-3 baths
- 758-1,704 sq ft
Development in Woolmer Green, Welwyn Hatfield SG3 6JE
Deposit contribution, 5% builder-stated, on 7 of 96 homes · 3 more
Miller HomesNew build semi-detached houses for sale in Welwyn Hatfield
17 homes on 4 developments
Built by 4 builders, priced from £440,000 to £850,000 (£457,000 in the middle). Updated 12 Nov 2026.
Miller Homes
King George's Vale
From£675,000Est. £3,400/mo
- 3-4 beds
- 1,252-1,667 sq ft
Development in Welwyn Hatfield EN6 4RD
Assisted move, on every home
Bellway
Sambrooke Park
From£850,000Est. £4,281/mo
- 3-5 beds
- 3 baths
- 1,444-2,293 sq ft
Development in Potters Bar, Welwyn Hatfield EN6 1LX
Stamp duty paid, on 1 of 20 homes
Cala Homes
Your search
Say what you want; the results follow.
Tell me what you are after: a place, a budget, the bedrooms, the type of home, and what matters most. Then refine it in your own words.
Answers come from the listings and the calculators; illustrations are not advice.
The market
New build semi-detached houses in Welwyn Hatfield
Searches in Welwyn Hatfield
Each opens its own page, with the homes it holds today.
Market overview
The new homes for sale in Welwyn Hatfield today, in figures.
- Developments
- 4
- Homes for sale
- 17
- Starting price
- £440,000
- Median price
- £457,000
- Median per sq ft
- £592
- Builders
- 4
- Price reduced
- 1
- New this week
- 0
New homes listed with HomePortfolio and on the builders’ own sites.
Market snapshot
Homes for sale and their median asking price, in and around Welwyn Hatfield.
Semi-detached across Welwyn Hatfield
| Place | Median | Homes |
|---|---|---|
| Woolmer Green | £453k | 14 |
| Potters Bar | £850k | 1 |
Semi-detached near Welwyn Hatfield
| Place | Median | Homes |
|---|---|---|
| Stevenage | £475k | 23 |
| Broxbourne | £575k | 14 |
| Dacorum | £600k | 9 |
| East Hertfordshire | £511k | 8 |
| St Albans | £675k | 6 |
| North Hertfordshire | £625k | 5 |
| Harlow | £535k | 2 |
New homes listed with HomePortfolio and on the builders’ own sites.
Builders in Welwyn Hatfield
Each builder’s developments and homes for sale here, its prices and its share of the homes.
| Builder | Developments | Homes | From | Median | Share of homes |
|---|---|---|---|---|---|
| Miller Homes | 1 | 14 | £440,000 | £453,000 | 82% |
| Bellway | 1 | 1 | £675,000 | £675,000 | 6% |
| Cala Homes | 1 | 1 | £850,000 | £850,000 | 6% |
| Stonebond | 1 | 1 | £660,000 | £660,000 | 6% |
New homes listed with HomePortfolio and on the builders’ own sites.
Developments in Welwyn Hatfield
Every development with homes for sale here, the most homes first.
New homes listed with HomePortfolio and on the builders’ own sites.
New build semi-detached houses in Welwyn Hatfield: your questions
Answered from today’s listings and the official rules.
How many new build semi-detached houses are for sale in Welwyn Hatfield?
17 are listed today, across 4 developments from 4 builders, and 1 reduced since first listed.
What do new build semi-detached houses in Welwyn Hatfield cost?
Asking prices run from £440,000 to £850,000, and half are below £457,000. Where the size is stated, the middle price is £592 a square foot. Across every new home in Welwyn Hatfield the middle price is £563,000.
Which builders have new build semi-detached houses in Welwyn Hatfield?
Miller Homes (14 homes), Bellway (1 home), Cala Homes (1 home) and Stonebond (1 home).
What is the lowest price among new build semi-detached houses in Welwyn Hatfield?
A 2 bedroom semi-detached house at Orchard View by Miller Homes, at £440,000.
How much stamp duty is there on a new build in Welwyn Hatfield?
At the middle asking price of £457,000, a first-time buyer pays £7,850 in stamp duty and a buyer moving home pays £12,850, on the rates in force on 12 Nov 2026 (GOV.UK). An illustration, not advice.
Guides and tools
The pages and tools for buying a new home in Welwyn Hatfield.
- Stamp dutyWorked out on the middle price here
- What you could affordFrom your income and deposit
- Cash you needDeposit, fees and moving costs
- Buying schemesEvery scheme open to new-build buyers
- New-build incentivesWhat builders offer, and what it is worth
- Home buying guidesEvery step of buying a new build
- How we work it outSources, rules and the figures