Frogmore Bottom Frogmore, North Hertfordshire
8 addresses across 3 postcodes (SG4), about 490 m (0.3 miles) long. USRN 27918352.
- Sales: 2 recorded sales since 1995; in 2019 the median was £885,000 across 1 sale.
- Energy: 4 homes have an energy certificate (E: 4).
- Flood: 1 address on its postcodes is in areas 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 F; Band D in North Hertfordshire costs £2,449 a year in 2026-27.
- Broadband: Gigabit broadband is available to 0% of premises.
- Transport: The nearest railway station is Stevenage, about 6.3 km (3.9 miles) away in a straight line.
- Green space: The nearest park or garden, The Green, is about 2 km (1.2 miles) away.
- Air: Background air pollution in 2024 was 7.5 µg/m³ of nitrogen dioxide and 7.0 of PM2.5, within UK legal limits.
- Height: Its addresses are 104 to 113 m above sea level.
- Noise: 2 of its 8 addresses are modelled at 55 dB or more from road traffic.
- Doctors: The nearest GP surgery is Whitwell Surgery, about 2.2 km (1.4 miles) away.
- People: About 290 people lived in the census areas around it in 2021; 49% of households owned their home and 37% of adults held a degree or other higher qualification.
- Crime: 2 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 |
|---|---|---|---|---|
| 2019 | 1 | £885,000 | £885,000 | £885,000 |
| 2002 | 1 | £499,950 | £499,950 | £499,950 |
| Date | Address | Type | Price | Notes |
|---|---|---|---|---|
| 24 Jul 2019 | FROGMORE BOTTOM COTTAGES SG4 8NN | Detached | £885,000 | |
| 28 Mar 2002 | FROGMORE BOTTOM COTTAGES SG4 8NN | Detached | £499,950 |
Energy performance certificates
4 homes with a current certificate; median floor area 86 m². Most common: House, semi-detached (3); House, detached (1). Built: 1930-1949 (2); 1900-1929 (1); before 1900 (1). Tenure at assessment: rented (private) (3); owner-occupied (1).
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 F (25% of about 510 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: yes, North Hertfordshire.
Roadworks
Started, not reported finished by 30 September 2026
- 7 October 2025 to 6 October 2026: HERTFORDSHIRE COUNTY COUNCIL, Highway repair and maintenance works, no carriageway incursion, on the verge (immediate - urgent works)
Flood risk
Rivers, the sea or surface water: in this street's postcodes, 0 addresses are in areas at high risk, 1 at medium risk and 1 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 on this street is in flood zone 2 or 3.
| Postcode | Planning zone | Addresses at high / medium / low risk | Groundwater |
|---|---|---|---|
| SG4 8NJ | not in 2 or 3 | 0 / 1 / 0 | unlikely |
| SG4 8NL | not in 2 or 3 | 0 / 0 / 0 | unlikely |
| SG4 8NN | not in 2 or 3 | 0 / 0 / 1 | unlikely |
Height above sea level
The street's 8 addresses are between 104 m and 113 m above sea level (111 m on average); the ground rises about 9 m from the lowest to the highest.
Broadband
| Postcode | Superfast (30 Mbit/s+) | Ultrafast (300 Mbit/s+) | Gigabit | Below 10 Mbit/s |
|---|---|---|---|---|
| SG4 8NJ | 0% | 0% | 0% | 67% |
| SG4 8NL | 0% | 0% | 0% | 0% |
| SG4 8NN | 0% | 0% | 0% | 100% |
Getting around
| Nearest | Distance | |
|---|---|---|
| Railway stations | Stevenage 4.7 million journeys in 2024–25 | 6.3 km (3.9 miles) |
| Hitchin 2.9 million journeys in 2024–25 | 7.2 km (4.4 miles) | |
| Luton Airport Parkway 4.7 million journeys in 2024–25 | 7.2 km (4.5 miles) | |
| Bus stops | None within 800 m (0.5 miles) | |
| Bus or coach station | Airport Bus Station Luton Airport | 5.6 km (3.5 miles) |
| EV charging points | InstaVolt Charging Station | 5.1 km (3.2 miles) |
| Airport with scheduled flights | London Luton Airport LTN | 5.3 km (3.3 miles) |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | Whitwell Surgery | 2.2 km (1.4 miles) |
| Pharmacies | Carerx | 5 km (3.1 miles) |
| NHS dentists | Wigmore Dental Clinic | 5.2 km (3.2 miles) |
| Hospital | The Lister Hospital | 6.8 km (4.2 miles) |
| Police station | Stevenage Police Station | 6.4 km (4 miles) |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Park or garden | The Green 2,230 m² | 2 km (1.2 miles) |
| Play area | Unnamed 2,810 m² | 2 km (1.3 miles) |
| Playing field | Unnamed 2,810 m² | 2.1 km (1.3 miles) |
| Allotments | Unnamed 2,130 m² | 1.6 km (1 mile) |
Landmarks
The nearest historic landmark is St Paul's Walden Bury, a registered park or garden (Grade I), 2 km (1.2 miles) south-east. 7 listed buildings are within 1 km (0.6 miles).
| Name | What it is | From the middle of the street |
|---|---|---|
| St Paul's Walden Bury | Registered park or garden, Grade I | 2 km (1.2 miles) south-east |
| Temple Dinsley | Registered park or garden, Grade II* | 2.3 km (1.4 miles) north-east |
| Name | What it is | From the middle of the street |
|---|---|---|
| Frogmore Bottom | Valley | 110 m east |
| Cedar Wood | Wood | 450 m (0.3 miles) north-west |
| Rookery Wood | Wood | 510 m (0.3 miles) west |
| Whitehall Wood | Wood | 830 m (0.5 miles) north |
| Preston Reservoir | Lake or reservoir | 2.2 km (1.4 miles) north-east |
| Winch Hill | Hill | 3.6 km (2.2 miles) west |
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 7.5 | 40 | 10 |
| Fine particles (PM2.5) | 7.0 | 20 | 5 |
| Particles (PM10) | 12.4 | 40 | 15 |
All three are within the UK legal limits; PM2.5 is above the WHO guideline, as in most towns and cities.
Road, rail and aircraft noise
| Level | Road traffic | Railways | Aircraft |
|---|---|---|---|
| 60 to 64 | 1 | 0 | 0 |
| 55 to 59 | 1 | 0 | 0 |
| Under 55 | 6 | 8 | 8 |
2 of the street's 8 addresses are modelled at 55 dB or more from road traffic, above the WHO guidelines.
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 |
|---|---|---|---|---|
| Preston Primary School Church of England | Primary | 4–11 | 1.8 km (1.1 miles) | Good (Feb 2024, overall grade under the previous framework) |
| St Paul's Walden Primary School | Primary | 4–11 | 1.9 km (1.2 miles) | Good (Mar 2024, overall grade under the previous framework) |
Food hygiene ratings nearby
No rated food businesses within 500 m (0.3 miles).
Crime within 250 m
| Category | Crimes |
|---|---|
| Other theft | 1 |
| Anti-social behaviour | 1 |
Most of these are attached to: On or near Miserable Lane (2).
People and work
Who lives here
| Around this street | England | |
|---|---|---|
| Median age | 52 | 40 |
| Children under 15 | 13% | 17% |
| Aged 65 and over | 25% | 18% |
Homes
| Around this street | England | |
|---|---|---|
| Owned (outright or with a mortgage) | 49% | 61% |
| Owned outright | 24% | 33% |
| Shared ownership | under 1% | 1% |
| Social rented | 2% | 17% |
| Private rented | 48% | 21% |
Work and commuting
| Around this street | England | |
|---|---|---|
| Adults (16 and over) in work | 62% | 57% |
| Unemployment (of those working or looking for work) | 2% | 6% |
| Retired (of adults) | 24% | 22% |
| Long-term sick or disabled (of adults) | 3% | 4% |
| Work mainly from home (of those in work) | 42% | 32% |
| Travel to work by car or van | 50% | 48% |
| By train, Underground, metro or tram | 2% | 4% |
| By any public transport, including bus | 2% | 8% |
| On foot or by bicycle | 5% | 10% |
| Work within 10 km (6 miles) of home (of those who travel to work) | 47% | 65% |
| Work 30 km (19 miles) or more away | 14% | 8% |
Education and languages
| Around this street | England | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 37% | 34% |
| No qualifications | 14% | 18% |
| Apprenticeship as highest qualification | 8% | 5% |
| Main language English (aged 3 and over) | 98% | 91% |
| Cannot speak English well or at all | 0% | 2% |
Deprivation
The neighbourhood around this street is in decile 8 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 8NJ: 4 addresses of 5 in the postcode
- SG4 8NL: 2 addresses
- SG4 8NN: 2 addresses of 7 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.