Knowl Piece Hitchin, North Hertfordshire
64 addresses across 1 postcode (SG4), about 610 m (0.4 miles) long, classed as a restricted local access road. USRN 27909683.
- Sales: 31 recorded sales since 1995; in 2011 the median was £350,000 across 1 sale.
- Flood: No address on its postcodes is in an area at high or medium risk of flooding from rivers, the sea or surface water.
- Council tax: Most homes around it are in council tax band B; Band D in North Hertfordshire costs £2,449 a year in 2026-27.
- Broadband: Gigabit broadband is available to 74% of premises.
- Transport: The nearest railway station is Hitchin, about 1.7 km (1 mile) away in a straight line.
- Green space: The nearest park or garden, Upper Green, is about 940 m (0.6 miles) away.
- Air: Background air pollution in 2024 was 8.3 µg/m³ of nitrogen dioxide and 7.2 of PM2.5, within UK legal limits.
- Height: Its addresses are 60 to 70 m above sea level.
- Noise: None of its addresses is modelled at 55 dB or more from road traffic.
- Doctors: The nearest GP surgery is Regal Chambers Surgery, about 1.8 km (1.1 miles) away.
- People: About 330 people lived in the census areas around it in 2021; 52% of households owned their home and 32% of adults held a degree or other higher qualification.
- Crime: 6 crimes were recorded within 250 m between September 2025 and August 2026, most often other theft.
Sales on this street
| Year | Sales | Median price | Lowest | Highest |
|---|---|---|---|---|
| 2011 | 1 | £350,000 | £350,000 | £350,000 |
| 2009 | 1 | £209,800 | £209,800 | £209,800 |
| 2008 | 1 | £141,000 | £141,000 | £141,000 |
| 2000 | 1 | £80,000 | £80,000 | £80,000 |
| 1996 | 1 | £155,000 | £155,000 | £155,000 |
| Date | Address | Type | Price | Notes |
|---|---|---|---|---|
| 14 Aug 2026 | 49 SG4 0TY | Other | £410,000 | Not a standard sale (repossession, buy-to-let or transfer). |
| 30 Mar 2026 | 71 SG4 0TY | Other | £744,000 | Not a standard sale (repossession, buy-to-let or transfer). |
| 30 Jan 2026 | 47 SG4 0TY | Terraced | £240,000 | Not a standard sale (repossession, buy-to-let or transfer). |
| 16 Jun 2025 | 63 SG4 0TY | Other | £535,000 | Not a standard sale (repossession, buy-to-let or transfer). |
| 6 Jan 2025 | 28 SG4 0TY | Flat or maisonette | £260,000 | Not a standard sale (repossession, buy-to-let or transfer). |
| 31 Mar 2023 | 33 SG4 0TY | Other | £265,000 | Not a standard sale (repossession, buy-to-let or transfer). |
| 27 Mar 2023 | VITAL HOUSE, 59 - 61 SG4 0TY | Other | £485,000 | Not a standard sale (repossession, buy-to-let or transfer). |
| 1 Feb 2023 | 65 SG4 0TY | Other | £575,000 | Not a standard sale (repossession, buy-to-let or transfer). |
| 19 May 2022 | 59 - 61 SG4 0TY | Other | £425,000 | Not a standard sale (repossession, buy-to-let or transfer). |
| 30 Jul 2021 | 21 SG4 0TY | Other | £1,700,000 | Not a standard sale (repossession, buy-to-let or transfer). |
| 4 Feb 2021 | UNIT C3, PIERSON COURT SG4 0TY | Other | £400,000 | Leasehold. Not a standard sale (repossession, buy-to-let or transfer). |
| 19 Oct 2020 | 67 SG4 0TY | Semi-detached | £287,000 | Not a standard sale (repossession, buy-to-let or transfer). |
| 29 May 2020 | ALMEC ELECTRONIC ASSEMBLY SERVICES SG4 0TY | Other | £800,000 | Not a standard sale (repossession, buy-to-let or transfer). |
| 19 Mar 2018 | 71 SG4 0TY | Other | £525,000 | Not a standard sale (repossession, buy-to-let or transfer). |
| 4 Jan 2018 | INVISION HOUSE SG4 0TY | Other | £450,000 | Leasehold. Not a standard sale (repossession, buy-to-let or transfer). |
| 21 Dec 2017 | 57 SG4 0TY | Other | £208,000 | Not a standard sale (repossession, buy-to-let or transfer). |
| 8 Mar 2017 | 49 SG4 0TY | Other | £295,000 | Not a standard sale (repossession, buy-to-let or transfer). |
| 16 Dec 2016 | GATE HOUSE, 36 SG4 0TY | Other | £128,900 | Leasehold. Not a standard sale (repossession, buy-to-let or transfer). |
| 3 Nov 2016 | 63 SG4 0TY | Other | £650,000 | Not a standard sale (repossession, buy-to-let or transfer). |
| 25 Jul 2016 | UNIT C3, PIERSON COURT SG4 0TY | Other | £285,000 | Leasehold. Not a standard sale (repossession, buy-to-let or transfer). |
| 22 Jul 2016 | 67 SG4 0TY | Semi-detached | £210,000 | Not a standard sale (repossession, buy-to-let or transfer). |
| 8 Jan 2016 | 63 SG4 0TY | Other | £650,000 | Not a standard sale (repossession, buy-to-let or transfer). |
| 4 Dec 2015 | 33 SG4 0TY | Other | £165,000 | Not a standard sale (repossession, buy-to-let or transfer). |
| 29 May 2015 | UNIT C2, PIERSON COURT SG4 0TY | Other | £265,000 | Leasehold. Not a standard sale (repossession, buy-to-let or transfer). |
| 20 Jan 2015 | 43 SG4 0TY | Other | £167,000 | Not a standard sale (repossession, buy-to-let or transfer). |
| 18 Dec 2014 | UNIT 9, THEOBALD BUSINESS CENTRE SG4 0TY | Other | £660,000 | Not a standard sale (repossession, buy-to-let or transfer). |
| 10 Jan 2011 | 71 SG4 0TY | Detached | £350,000 | |
| 27 Nov 2009 | 28 SG4 0TY | Flat or maisonette | £209,800 | |
| 26 Mar 2008 | 31 SG4 0TY | Terraced | £141,000 | |
| 4 Jul 2000 | 24 - 26 SG4 0TY | Terraced | £80,000 | |
| 31 Oct 1996 | ALMEC ELECTRONIC ASSEMBLY SERVICES SG4 0TY | Detached | £155,000 |
Energy performance certificates
No certificates found for addresses on this street.
Council tax
What each band costs in North Hertfordshire in 2026-27: Band D £2,449 a year on average, including the police, fire and any county and parish charges.
| A | B | C | D | E | F | G | H |
|---|---|---|---|---|---|---|---|
| £1,632 | £1,904 | £2,176 | £2,449 | £2,993 | £3,537 | £4,081 | £4,897 |
Homes by band in the neighbourhood around this street: most are in band B (52% of about 750 homes).
Planning and heritage
- Conservation area: no postcode centre in this street's postcodes is in one.
- Listed buildings on or by this street: none.
- Article 4 direction (removing permitted development rights): none recorded, though not every council has published theirs.
- Tree preservation orders: none recorded, though not every council has published theirs.
- Green belt: no.
Brownfield land registered for housing within 1 km (0.6 miles)
- 65 Bury Mead Road, Hitchin, Hertfordshire, SG5 1RT: up to 21 homes, permissioned (1 km (0.6 miles))
Roadworks
No street works under way, planned or finished in the last three months on this street, in permits up to 31 October 2026.
Flood risk
Rivers, the sea or surface water: in this street's postcodes, 0 addresses are in areas at high risk, 0 at medium risk and 3 at low risk. Each address counts once, at the higher of its rivers-and-sea and surface-water risk.
Rivers and the sea alone: no home is in an area at risk.
High: 3.3% (1 in 30) or more chance of flooding a year. Medium: 1% to 3.3%. Low: 0.1% to 1%. Very low: under 0.1%. The rivers and sea figures allow for flood defences. Counts cover whole postcodes, which can include other streets.
Flood zone for planning: no postcode centre is in flood zone 2 or 3.
Height above sea level
The street's 64 addresses are between 60 m and 70 m above sea level (64 m on average); the ground rises about 10 m from the lowest to the highest.
Broadband
| Postcode | Superfast (30 Mbit/s+) | Ultrafast (300 Mbit/s+) | Gigabit | Below 10 Mbit/s |
|---|---|---|---|---|
| SG4 0TY | 100% | 74% | 74% | 0% |
Getting around
| Nearest | Distance | |
|---|---|---|
| Railway stations | Hitchin 2.9 million journeys in 2024–25 | 1.7 km (1 mile) |
| Letchworth Garden City 1.8 million journeys in 2024–25 | 2.9 km (1.8 miles) | |
| Baldock 569,000 journeys in 2024–25 | 6.1 km (3.8 miles) | |
| Bus stops | 3 stops within 400 m (0.2 miles), 10 within 800 m (0.5 miles); nearest Rydal Way Hitchin | 90 m |
| Bus or coach station | Bus Station Stevenage | 8.5 km (5.3 miles) |
| Car parks | Letchworth Town Hall Car Park | 2.7 km (1.7 miles) |
| EV charging points | Shell Recharge Charging Station | 2.3 km (1.4 miles) |
| Airport with scheduled flights | London Luton Airport LTN | 12.5 km (7.8 miles) |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | Regal Chambers Surgery | 1.8 km (1.1 miles) |
| Pharmacies | Cross Chemist | 1.9 km (1.2 miles) |
| NHS dentists | Dental Surgery | 2 km (1.2 miles) |
| Hospital | The Lister Hospital | 6.1 km (3.8 miles) |
| Police station | Hitchin Police Station | 1.6 km (1 mile) |
| Cash machines | Blakes Corner Spso Cashzone | 1.6 km (1 mile) |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Park or garden | Upper Green 2,950 m² | 940 m (0.6 miles) |
| Play area | 1 within 800 m (0.5 miles); nearest Unnamed 150 m² | 760 m (0.5 miles) |
| Playing field | 1 within 800 m (0.5 miles); nearest Unnamed 1.1 ha | 650 m (0.4 miles) |
| Allotments | Unnamed 3.4 ha | 890 m (0.6 miles) |
Landmarks
The nearest historic landmark is Church of St Katherine (Church of England), a listed building (Grade I), 1 km (0.6 miles) west. 20 listed buildings are within 1 km (0.6 miles), 1 of them Grade I.
| Name | What it is | From the middle of the street |
|---|---|---|
| Church of St Katherine (Church of England) | Listed building, Grade I | 1 km (0.6 miles) west |
| Two bowl barrows 500m south of Fearnhill School | Scheduled monument | 1.4 km (0.9 miles) east |
| Slight univallate hillfort on Wilbury Hill | Scheduled monument | 1.5 km (0.9 miles) north-east |
| Broadway, Letchworth | Registered park or garden, Grade II | 2.5 km (1.6 miles) east |
| Name | What it is | From the middle of the street |
|---|---|---|
| Gerry's Hole | Lake or reservoir | 630 m (0.4 miles) north-west |
| Wilbury Hill | Hill | 1.5 km (1 mile) north-east |
| Fox Covert | Wood | 1.6 km (1 mile) north |
| Bearton Pond | Lake or reservoir | 1.8 km (1.1 miles) south-west |
| Butt's Close Pond | Lake or reservoir | 2.1 km (1.3 miles) south-west |
| Ramerick Bottom | Valley | 3.6 km (2.3 miles) north-west |
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 8.3 | 40 | 10 |
| Fine particles (PM2.5) | 7.2 | 20 | 5 |
| Particles (PM10) | 12.6 | 40 | 15 |
All three are within the UK legal limits; PM2.5 is above the WHO guideline, as in most towns and cities.
Road and rail noise
| Level | Road traffic | Railways |
|---|---|---|
| Under 55 | 64 | 64 |
None of the street's 64 addresses is modelled at 55 dB or more from road traffic or railways.
Climate, daylight and earthquakes
Monthly temperatures and rainfall, sunrise and sunset through the year, and earthquakes recorded nearby since 1970 are much the same across the area, so they are worked out once for North Hertfordshire: see them on the North Hertfordshire page.
Nearest schools
| School | Phase | Ages | Distance | Inspection |
|---|---|---|---|---|
| Our Lady Catholic Primary School Roman Catholic | Primary | 5–11 | 890 m (0.6 miles) | Good (Jul 2022, overall grade under the previous framework) |
| Ickleford Primary School Church of England | Primary | 4–11 | 940 m (0.6 miles) | No published inspection |
| Strathmore Infant and Nursery School | Primary | 3–7 | 1.2 km (0.7 miles) | No published inspection |
| Highover Primary School | Primary | 4–11 | 1.3 km (0.8 miles) | No overall grade (Jan 2025, graded inspection without an overall judgement): Quality of education: Outstanding; Behaviour and attitudes: Outstanding; Personal development: Outstanding; Leadership and management: Outstanding |
| The Priory School | Secondary | 11–18 | 1.3 km (0.8 miles) | No published inspection |
| Fearnhill School | Secondary | 11–18 | 1.6 km (1 mile) | Report card (Apr 2026): Curriculum and teaching: Expected standard; Achievement: Expected standard; Attendance and behaviour: Needs attention; Personal development and wellbeing: Expected standard; Inclusion: Expected standard; Leadership and governance: Expected standard; Post-16 provision: Expected standard; Safeguarding standards: Met |
| York Road Nursery School | Nursery | 2–5 | 1.7 km (1 mile) | No published inspection |
| The Highfield School | Secondary | 11–18 | 1.7 km (1 mile) | Good (May 2023, overall grade under the previous framework) |
| St Thomas More Roman Catholic Primary School | Primary | 3–11 | 1.7 km (1.1 miles) | Good (Jan 2023, overall grade under the previous framework) |
| Wilshere-Dacre Junior Academy | Primary | 7–11 | 1.9 km (1.2 miles) | No published inspection |
| St Andrew's Church of England Voluntary Aided Primary School, Hitchin | Primary | 4–11 | 1.9 km (1.2 miles) | Report card (Jul 2026): Curriculum and teaching: Expected standard; Achievement: Expected standard; Attendance and behaviour: Strong standard; Personal development and wellbeing: Strong standard; Inclusion: Expected standard; Leadership and governance: Expected standard; Early years: Strong standard; Safeguarding standards: Met |
Food hygiene ratings nearby
| Business | Type | Distance | Rating | Rated |
|---|---|---|---|---|
| Space2play (Herts) Ltd SG4 0TY | Restaurant/Cafe/Canteen | 60 m | 5 Very good | 16 Jul 2026 |
| Ravidassia Community Centre SG4 0TY | Restaurant/Cafe/Canteen | 60 m | 5 Very good | 28 Mar 2025 |
| You Sauna Hitchin Limited SG4 0TY | Retailers - other | 70 m | Exempt | |
| The Pool Hall SG4 0TY | Pub/bar/nightclub | 100 m | 4 Good | 2 Jul 2025 |
| Chapter and Charm SG4 0TP | Retailers - other | 200 m | 5 Very good | 15 Jan 2025 |
| The Chocolatier Ltd SG4 0TP | Manufacturers/packers | 250 m | 5 Very good | 13 Apr 2026 |
| Padel Zone LTD SG4 0TJ | Restaurant/Cafe/Canteen | 330 m | 5 Very good | 12 Aug 2025 |
| Square One Gym SG4 0TJ | Restaurant/Cafe/Canteen | 330 m | 5 Very good | 21 Jan 2025 |
| Rich-blend SG4 0TW | Restaurant/Cafe/Canteen | 470 m (0.3 miles) | 5 Very good | 23 Jul 2026 |
| Hitchin House Day Nursery SG4 0TW | Hospitals/Childcare/Caring Premises | 470 m (0.3 miles) | 5 Very good | 16 Feb 2026 |
| One Good Thing SG4 0UZ | Manufacturers/packers | 490 m (0.3 miles) | 5 Very good | 7 Aug 2025 |
| Urb Foods SG4 0SE | Manufacturers/packers | 500 m (0.3 miles) | Awaiting inspection |
Crime within 250 m
| Category | Crimes |
|---|---|
| Other theft | 2 |
| Burglary | 2 |
| Anti-social behaviour | 1 |
| Drugs | 1 |
Most of these are attached to: On or near Knowl Piece (6).
People and work
Who lives here
| Around this street | England | |
|---|---|---|
| Median age | 32 | 40 |
| Children under 15 | 24% | 17% |
| Aged 65 and over | 10% | 18% |
Homes
| Around this street | England | |
|---|---|---|
| Owned (outright or with a mortgage) | 52% | 61% |
| Owned outright | 15% | 33% |
| Shared ownership | 0% | 1% |
| Social rented | 24% | 17% |
| Private rented | 24% | 21% |
Work and commuting
| Around this street | England | |
|---|---|---|
| Adults (16 and over) in work | 67% | 57% |
| Unemployment (of those working or looking for work) | 4% | 6% |
| Retired (of adults) | 11% | 22% |
| Long-term sick or disabled (of adults) | 3% | 4% |
| Work mainly from home (of those in work) | 29% | 32% |
| Travel to work by car or van | 51% | 48% |
| By train, Underground, metro or tram | 5% | 4% |
| By any public transport, including bus | 6% | 8% |
| On foot or by bicycle | 11% | 10% |
| Work within 10 km (6 miles) of home (of those who travel to work) | 63% | 65% |
| Work 30 km (19 miles) or more away | 16% | 8% |
Education and languages
| Around this street | England | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 32% | 34% |
| No qualifications | 15% | 18% |
| Apprenticeship as highest qualification | 5% | 5% |
| Main language English (aged 3 and over) | 90% | 91% |
| Cannot speak English well or at all | 4% | 2% |
Deprivation
The neighbourhood around this street is in decile 7 of 10 on the English Indices of Deprivation 2025, where 1 is the most deprived tenth of England's 33,755 neighbourhoods and 10 the least.
What has changed
Nothing new since the change feed started on 30 October 2026. New sales and energy certificates, and hygiene ratings, school inspections and flood figures nearby, will be listed here as the sources update.
Postcodes on this street
- SG4 0TY: 64 addresses of 167 in the postcode
Nearby streets
All the streets in SG4 and across North Hertfordshire.
What this page cannot tell you
- Whether a particular house is at risk of flooding, subsiding or anything else: the flood map is a model of areas and there is no property-level data here.
- What a home is worth now: sales are historic prices for the homes that happened to sell.
- How safe the street is: crime points are moved to anonymised locations and many crimes are never reported.
- Whether you would get a place at a school: distances are straight lines, not catchments.
- Who lives on the street now: census figures describe the small areas around it in March 2021, during a lockdown.
- How long a journey takes or how often anything runs: transport distances are straight lines to the nearest stops.
- Whether a GP practice is taking new patients, or a dentist new NHS patients.
- How loud a home is inside, or noise from industry, neighbours or smaller airfields: noise figures are models of road, rail and air traffic outside.
How each figure on this page is matched to the street and worked out: methodology.