St Marys Close, Welwyn
House prices, sold prices and local information for AL6 9RL.
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At a glance
2 property sales on St Marys Close, Welwyn have been recorded by HM Land Registry since 2017. The most recent sale was on 6 Jul 2022. Most sales here are detached homes, which have sold for an average of £784,500. 1 home here has sold more than once since 2017; 1 of them sold for more the second time.
House prices on St Marys Close compared
Average sale price over the last 12 months. St Marys Close has had fewer than two sales in that time, so it is left out. See all AL6 house prices.
Average sale price by year
Prices by property type
| Type | Sales | Average price | Last sold |
|---|---|---|---|
| Detached | 2 | £784,500 | 6 Jul 2022 |
Sold prices on St Marys Close
| Address | Date | Price | Type | Tenure |
|---|---|---|---|---|
| 1, St Marys Close AL6 9RL | 6 Jul 2022 | £960,000 | Detached | Freehold |
| 1, St Marys Close AL6 9RL | 18 Aug 2017 | £609,000 | Detached | Freehold |
Sale prices are as recorded by HM Land Registry. Some sales (for example repossessions and company purchases) are listed but left out of the averages.
Sale history: homes sold more than once
| Address | Sales | Change |
|---|---|---|
| 1, St Marys Close | £609,000 (Aug 2017) → £960,000 (Jul 2022) | +58% over 5 yrs |
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Crime and flood risk near St Marys Close
Crime
41 crimes were reported within about a mile of St Marys Close in August 2026.
Crime level compared with the rest of England (10 = lowest crime):
Lower crime than about 90% of neighbourhoods in England, based on recorded crime rates (English Indices of Deprivation 2025).
| Other theft | 14 |
| Violence & sexual offences | 10 |
| Anti-social behaviour | 7 |
| Vehicle crime | 4 |
| Burglary | 2 |
| Drugs | 2 |
Source: data.police.uk. Locations are approximate and cover the surrounding area, not just this street.
Flood risk
St Marys Close is in or near 2 Environment Agency flood areas:
- River Mimram at Welwyn Flood warning area
- River Mimram in Hertfordshire Flood alert area
Flood warning areas cover places at risk from rivers and the sea. Surface water risk isn't included. Check the long-term flood risk for a postcode on GOV.UK.
Schools near St Marys Close
| School | Type | Ages | Ofsted | Distance |
|---|---|---|---|---|
| Tenterfield Nursery School 71 pupils | Nursery | 2–5 | Report | 0.4 mi |
| Welwyn St Mary's Church of England Voluntary Aided Primary School 418 pupils | Primary Church of England | 4–11 | Report | 0.4 mi |
| Sherrardswood School 445 pupils | Other independent school | 2–19 | Report | 0.4 mi |
| Knightsfield School 65 pupils | Academy special converter | 9–18 | Report | 0.7 mi |
| Monk's Walk School 1,440 pupils | Secondary | 11–18 | Report | 0.9 mi |
| Oaklands Primary School 195 pupils | Primary | 4–11 | Good Report | 1.0 mi |
| Homerswood Primary and Nursery School 218 pupils | Primary | 3–11 | Report | 1.1 mi |
| Harwood Hill Junior Mixed Infant and Nursery School 179 pupils | Primary | 3–11 | Report | 1.3 mi |
Source: Department for Education (Get Information about Schools) and Ofsted. Grades are from each school's last graded inspection; newer inspections use report cards without a single overall grade, so check the full report. Distances are straight-line. Check catchment areas with the local council.
Getting around, shops and health
Train stations
- Welwyn North station 1.1 mi · 22 min walk
- Welwyn Garden City station 2.2 mi · 44 min walk
- Knebworth station 2.7 mi · 53 min walk
Nearest bus stops
- St Mary's Church (nr, Church Street) 1 min walk
- St Mary's Church (opp, Church Street) 1 min walk
- Church Place (nr, Church Street) 2 min walk
- Church Place (opp, Church Street) 2 min walk
GP surgeries
- Bridge Cottage Surgery
41 High Street, Welwyn · 0.2 mi - The Garden City Practice
Birdcroft Road, Welwyn Garden City · 2.4 mi - Peartree Lane Surgery
110 Peartree Lane, Welwyn Garden City · 2.5 mi - Knebworth & Marymead Practice
7 St Martins Road, Knebworth · 2.7 mi
Supermarkets
- Tesco Express Tesco Welwyn Express · 0.1 mi
- Marks and Spencer BP M&S Nodeway BP · 0.6 mi
- The Co-operative Food Co-op Knightsfield · 1.3 mi
- Tesco Express Tesco Shire Park Express · 1.8 mi
Pharmacies
- Barnes Pharmacy · 0.1 mi
- Knightsfield Pharmacy · 1.3 mi
- Codicote Pharmacy · 1.3 mi
Dentists
- Dental Surgery · 1.3 mi
- Parkway Dental Surgery · 2.0 mi
- Dental Beauty Welwyn Garden City · 2.1 mi
Sources: Department for Transport (NaPTAN), NHS England organisation data, and GEOLYTIX Retail Points (open data). Walking times are estimates from straight-line distance.
Area profile
Deprivation
This neighbourhood is in decile 8 of 10 on the English Indices of Deprivation 2025, where 1 is the most deprived 10% of areas in England and 10 the least deprived.
| Income | 7 of 10 |
| Employment | 5 of 10 |
| Education and skills | 9 of 10 |
| Health and disability | 8 of 10 |
| Crime | 10 of 10 |
| Access to housing and services | 5 of 10 |
| Living environment | 7 of 10 |
Each domain ranked in deciles across England (10 = least deprived).
Homes
| Here | Eng & Wales | |
|---|---|---|
| Owned | 87.1% | 62.5% |
| Private rented | 9.8% | 20.3% |
| Social rented | 3.1% | 17.1% |
| Households | 572 |
People
| Here | Eng & Wales | |
|---|---|---|
| Under 15 | 13.9% | 17.4% |
| Aged 15–64 | 57.2% | 64.1% |
| Aged 65+ | 29.0% | 18.6% |
| Residents | 1,364 |
Broadband
| Here | UK | |
|---|---|---|
| Superfast (30Mbit+) | 100% | 95% |
| Ultrafast (300Mbit+) | 100% | 80% |
| Gigabit-capable | 100% | 80% |
Share of homes on this street's postcodes that can get each speed. UK figure is the average across all postcodes. Source: Ofcom Connected Nations.
Mobile signal
| Here | Eng & Wales | |
|---|---|---|
| 4G indoors, all 4 networks | 95% | 89% |
| 4G indoors, at least 1 network | 100% | 100% |
| 4G outdoors, all 4 networks | 100% | 99% |
| Calls indoors, all 4 networks | 96% | 92% |
Share of homes across Welwyn Hatfield with good coverage (Jul 2025). Signal varies street by street; check your exact address on Ofcom's checker. Source: Ofcom Connected Nations.
Neighbourhood figures cover the surrounding Lower Layer Super Output Area (about 1,500 residents). Sources: Census 2021 (ONS) and the English Indices of Deprivation 2025.
Energy ratings and home sizes on St Marys Close
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Who lives around St Marys Close
Ethnic group
| Here | Welwyn Hatfield | |
|---|---|---|
| White | 92% | 78.7% |
| Asian, Asian British or Asian Welsh | 3.4% | 8.8% |
| Mixed or Multiple ethnic groups | 2.9% | 4.1% |
| Other ethnic group | 1.5% | 2.3% |
| Black, Black British, Black Welsh, Caribbean or African | 0.1% | 6.1% |
Religion
| Here | Welwyn Hatfield | |
|---|---|---|
| Christian | 51% | 47.2% |
| No religion | 38.2% | 37% |
| Not answered | 6.7% | 6.7% |
| Hindu | 1.8% | 3.2% |
| Jewish | 0.7% | 0.9% |
| Muslim | 0.7% | 3.3% |
| Sikh | 0.3% | – |
| Other religion | 0.3% | 0.7% |
Country of birth
| Here | Welwyn Hatfield | |
|---|---|---|
| Born in the UK | 89.3% | 78% |
| Born outside the UK | 10.7% | 22% |
Highest qualification
| Here | Welwyn Hatfield | |
|---|---|---|
| Level 4 qualifications and above | 48.7% | 37.3% |
| Level 3 qualifications | 16.2% | 19.1% |
| Level 2 qualifications | 12.5% | 12.9% |
| No qualifications | 9.2% | 14.3% |
| Level 1 and entry level qualifications | 6.8% | 9.2% |
| Apprenticeship | 4.7% | 4.5% |
| Other qualifications | 1.9% | 2.7% |
General health
| Here | Welwyn Hatfield | |
|---|---|---|
| Very good health | 53.6% | 51.7% |
| Good health | 32.7% | 33.5% |
| Fair health | 10.3% | 11% |
| Bad health | 2.6% | 3.1% |
| Very bad health | 0.8% | 0.8% |
Cars or vans per household
| Here | Welwyn Hatfield | |
|---|---|---|
| 2 cars or vans in household | 42.3% | 29.5% |
| 1 car or van in household | 32.2% | 41.6% |
| 3 or more cars or vans in household | 17.8% | 11.3% |
| No cars or vans in household | 7.7% | 17.6% |
Source: Census 2021 (ONS), via Nomis. Percentages of usual residents or households, as recorded in March 2021.
Figures cover the surrounding neighbourhood (Lower Layer Super Output Area, about 1,500 residents). Full demographics of Welwyn Hatfield.
Planning and heritage near St Marys Close
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Noise, radon and ground hazards
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Planning applications near St Marys Close
Recent planning applications around St Marys Close from the council's planning register. Choose how far to look:
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Council tax here
Welwyn Hatfield Band D is £2,452 a year (Band A £1,635). See every band.
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