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Get started21 Elm Walk, Radlett, WD7 8DP
3 sales on record1 planning record
About 21 Elm Walk
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
21 Elm Walk is a four-bedroom detached house in Radlett (WD7 8DP). It has a recorded floor area of 186 m² (around 2002 sq ft), construction records dating it to 1900-1929 and council tax band F. The latest certificate (May 2025) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since March 2011. Between certificates, wall efficiency went from Poor to Average, window efficiency went from Average to Good and lighting went from Very Poor to Very Good; while roof efficiency dropped from Average to Very Poor and hot-water efficiency dropped from Very Good to Good. The recommended improvements would push it to C (score 71).
Sale prices here have outpaced England HPI: 7.7% per year against 0.1% for the wider region. Today's modelled estimate of £1,058,000 is 14.9% below the 2025 sale of £1,243,000, an unusual pattern given regional price growth and worth checking against the EPC condition. On a £-per-square-foot basis, the last sale (£621/sq ft) was about 86.3% above the typical sold price in the postcode. Most recent transfer was August 2025 at £1,243,000 — fresh data. One planning record on file: an extension approved in 2019. Past consents include an extension and a porch, meaningful when judging how the property has evolved. At 186 m² it's 29.2% larger than the typical home in the postcode (144 m² median across 17 EPCs).
What this property has
Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.
Inside
- Bedrooms4
- Bathrooms2
- Open-plan layoutYes
- Dining roomYes
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
21 Elm Walk's carbon output runs well above what efficient homes in the postcode produce.
Current Certificate(1 of 2)
May 2025
EPC Rating
A
B
C
D
D63
E
F
G
Main Heating
Electric & Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
7.7 t/year
Occupancy
Owner Occupied
Planning history
Applications and permits filed against 21 Elm Walk, Radlett, WD7 8DP, sourced from the PlanIt planning register.
- Sept 2019PorchFullGrant Permission
Extension: Side and rear of property
Construction of front porch, two storey side and rear extension and first floor rear extension with associated roof alterations.
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
Latest sale on 21 Elm Walk was the highest on Land Registry record across the postcode.
Current estimate
See how we calculated this£1,058,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.7% per year over 16 years.
Last sold (2025)
£1,243,000
Growth on file: 7.7% per year over 16 years.
Sales timeline
Launch offer · 33% off
The complete analysis of 21 Elm Walk, Radlett, WD7 8DP
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
An AI-written breakdown of everything that matters
Versus other Elm Walk homes
Four headline reads against 17 similar houses on this street, drawn from the latest EPC and Land Registry data.
21 Elm Walk is notably below the street on years held.
Price per m²
£6,683
Street avg £5,250
Floor Area
186 m²
Street avg 145 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the Radlett district page.
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Shops — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around WD7 8DP from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
47.0dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 34 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about 21 Elm Walk, Radlett, WD7 8DP. Each answer is also embedded as structured data for search engines.
